From: cristy <urban-warrior@git.imagemagick.org>
Date: Sun, 17 May 2015 22:46:16 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: 7.0.1-0~1025
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=146497a94d7dfad98c3e2ad03ce3b099fa17c2bb;p=imagemagick

---

diff --git a/MagickCore/version.h b/MagickCore/version.h
index 8773b1ffa..d9edf9fe4 100644
--- a/MagickCore/version.h
+++ b/MagickCore/version.h
@@ -27,7 +27,7 @@ extern "C" {
 */
 #define MagickPackageName "ImageMagick"
 #define MagickCopyright  "Copyright (C) 1999-2015 ImageMagick Studio LLC"
-#define MagickSVNRevision  "18557:18574M"
+#define MagickSVNRevision  "18557:18577M"
 #define MagickLibVersion  0x700
 #define MagickLibVersionText  "7.0.0"
 #define MagickLibVersionNumber  0,0,0
diff --git a/Makefile.in b/Makefile.in
index 096b2f58f..dc8a64f19 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -2802,6 +2802,8 @@ PERL_VERSION = @PERL_VERSION@
 PERSISTINCLUDE_DIR = @PERSISTINCLUDE_DIR@
 PGPDecodeDelegate = @PGPDecodeDelegate@
 PKG_CONFIG = @PKG_CONFIG@
+PKG_CONFIG_LIBDIR = @PKG_CONFIG_LIBDIR@
+PKG_CONFIG_PATH = @PKG_CONFIG_PATH@
 PNG_LIBS = @PNG_LIBS@
 POVDelegate = @POVDelegate@
 POW_LIB = @POW_LIB@
diff --git a/PerlMagick/Makefile.PL b/PerlMagick/Makefile.PL
index a290b266a..cd494e750 100644
--- a/PerlMagick/Makefile.PL
+++ b/PerlMagick/Makefile.PL
@@ -163,7 +163,7 @@ foreach my $delegate (@tested_delegates) {
 # defaults for LIBS & INC & CCFLAGS params that we later pass to Writemakefile
 my $INC_magick = '-I../ -I.. -pthread -I/usr/include/pango-1.0 -I/usr/include/cairo -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -I/usr/include/pixman-1 -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/freetype2 -I/usr/include/libdrm -I/usr/include/libpng16 -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/freetype2 -I/usr/include/libpng16 -DMAGICKCORE_HDRI_ENABLE=1 -DMAGICKCORE_QUANTUM_DEPTH=16 -I/usr/include/libxml2 -I"' . $Config{'usrinc'} . '/ImageMagick"';
 my $LIBS_magick = '-L../MagickCore/.libs -lMagickCore-7.Q16HDRI -lperl -lm';
-my $CCFLAGS_magick = "$Config{'ccflags'} -pthread -I/usr/include/OpenEXR -I/usr/include/libdrm -I/usr/include/freetype2 -I/usr/include/libpng16 -fopenmp -g -O2 -Wall -mtune=corei7-avx -fexceptions -pthread -DMAGICKCORE_HDRI_ENABLE=1 -DMAGICKCORE_QUANTUM_DEPTH=16";
+my $CCFLAGS_magick = "$Config{'ccflags'} -pthread -I/usr/include/OpenEXR -I/usr/include/libdrm -I/usr/include/freetype2 -I/usr/include/libpng16 -fopenmp -g -O2 -Wall -mtune=sandybridge -fexceptions -pthread -DMAGICKCORE_HDRI_ENABLE=1 -DMAGICKCORE_QUANTUM_DEPTH=16";
 my $LDFLAGS_magick   = "-L../MagickCore/.libs -lMagickCore-7.Q16HDRI $Config{'ldflags'} ";
 my $LDDLFLAGS_magick = "-L../MagickCore/.libs -lMagickCore-7.Q16HDRI $Config{'lddlflags'} ";
 
diff --git a/configure b/configure
index bc6d812dd..30dae7649 100755
--- a/configure
+++ b/configure
@@ -955,6 +955,8 @@ WINGDI32_DELEGATE_TRUE
 GDI32_LIBS
 HAVE_LD_VERSION_SCRIPT_FALSE
 HAVE_LD_VERSION_SCRIPT_TRUE
+PKG_CONFIG_LIBDIR
+PKG_CONFIG_PATH
 PKG_CONFIG
 PRTDIAG
 LN_S
@@ -1219,6 +1221,8 @@ CXX
 CXXFLAGS
 CCC
 PKG_CONFIG
+PKG_CONFIG_PATH
+PKG_CONFIG_LIBDIR
 CXXCPP
 XMKMF
 AUTOTRACE_CFLAGS
@@ -1995,6 +1999,10 @@ Some influential environment variables:
   CXX         C++ compiler command
   CXXFLAGS    C++ compiler flags
   PKG_CONFIG  path to pkg-config utility
+  PKG_CONFIG_PATH
+              directories to add to pkg-config's search path
+  PKG_CONFIG_LIBDIR
+              path overriding pkg-config's built-in search path
   CXXCPP      C++ preprocessor
   XMKMF       Path to xmkmf, Makefile generator for X Window System
   AUTOTRACE_CFLAGS
@@ -4333,7 +4341,7 @@ MAGICK_PATCHLEVEL_VERSION=0
 
 MAGICK_VERSION=7.0.0-0
 
-MAGICK_SVN_REVISION=18557:18574M
+MAGICK_SVN_REVISION=18557:18577M
 
 
 # Substitute library versioning
@@ -8329,26 +8337,36 @@ $as_echo "$ac_cv_cflags_warn_all" >&6; }
 case ".$ac_cv_cflags_warn_all" in
      .ok|.ok,*)  ;;
    .|.no|.no,*)  ;;
-   *) if ${CFLAGS+:} false; then :
-  case " $CFLAGS " in
-    *" $ac_cv_cflags_warn_all "*)
-      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$ac_cv_cflags_warn_all"; } >&5
+   *)
+if ${CFLAGS+:} false; then :
+
+  case " $CFLAGS " in #(
+  *" $ac_cv_cflags_warn_all "*) :
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$ac_cv_cflags_warn_all"; } >&5
   (: CFLAGS already contains $ac_cv_cflags_warn_all) 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }
-      ;;
-    *)
-      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS \$ac_cv_cflags_warn_all\""; } >&5
-  (: CFLAGS="$CFLAGS $ac_cv_cflags_warn_all") 2>&5
+  test $ac_status = 0; } ;; #(
+  *) :
+
+     as_fn_append CFLAGS " $ac_cv_cflags_warn_all"
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
+  (: CFLAGS="$CFLAGS") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
-      CFLAGS="$CFLAGS $ac_cv_cflags_warn_all"
-      ;;
-   esac
+     ;;
+esac
+
 else
-  CFLAGS="$ac_cv_cflags_warn_all"
+
+  CFLAGS=$ac_cv_cflags_warn_all
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
+  (: CFLAGS="$CFLAGS") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+
 fi
  ;;
 esac
@@ -8546,7 +8564,7 @@ else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
-	  static void foo(void) __attribute__ ((__unused__));
+	  static void foo(void) __attribute__ ((unused));
 	  static void
 	  foo(void) {
 	      exit(1);
@@ -8577,6 +8595,65 @@ $as_echo "#define HAVE___ATTRIBUTE__ 1" >>confdefs.h
 
   fi
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler vendor" >&5
+$as_echo_n "checking for C compiler vendor... " >&6; }
+if ${ax_cv_c_compiler_vendor+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+    # note: don't check for gcc first since some other compilers define __GNUC__
+  vendors="intel:     __ICC,__ECC,__INTEL_COMPILER
+           ibm:       __xlc__,__xlC__,__IBMC__,__IBMCPP__
+           pathscale: __PATHCC__,__PATHSCALE__
+           clang:     __clang__
+           cray:      _CRAYC
+           fujitsu:   __FUJITSU
+           gnu:       __GNUC__
+           sun:       __SUNPRO_C,__SUNPRO_CC
+           hp:        __HP_cc,__HP_aCC
+           dec:       __DECC,__DECCXX,__DECC_VER,__DECCXX_VER
+           borland:   __BORLANDC__,__CODEGEARC__,__TURBOC__
+           comeau:    __COMO__
+           kai:       __KCC
+           lcc:       __LCC__
+           sgi:       __sgi,sgi
+           microsoft: _MSC_VER
+           metrowerks: __MWERKS__
+           watcom:    __WATCOMC__
+           portland:  __PGI
+	   tcc:       __TINYC__
+           unknown:   UNKNOWN"
+  for ventest in $vendors; do
+    case $ventest in
+      *:) vendor=$ventest; continue ;;
+      *)  vencpp="defined("`echo $ventest | sed 's/,/) || defined(/g'`")" ;;
+    esac
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+      #if !($vencpp)
+        thisisanerror;
+      #endif
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  done
+  ax_cv_c_compiler_vendor=`echo $vendor | cut -d: -f1`
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_c_compiler_vendor" >&5
+$as_echo "$ax_cv_c_compiler_vendor" >&6; }
+
+
 
 
 
@@ -8718,113 +8795,66 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
      case $ax_cv_gcc_x86_cpuid_0 in
-       *:756e6547:*:*) # Intel
+       *:756e6547:6c65746e:49656e69) # Intel
           case $ax_cv_gcc_x86_cpuid_1 in
-	    *5[48]?:*:*:*) ax_gcc_arch="pentium-mmx pentium" ;;
-	    *5??:*:*:*) ax_gcc_arch=pentium ;;
+	    *5[4578]?:*:*:*) ax_gcc_arch="pentium-mmx pentium" ;;
+	    *5[123]?:*:*:*) ax_gcc_arch=pentium ;;
+	    *0?61?:*:*:*|?61?:*:*:*|61?:*:*:*) ax_gcc_arch=pentiumpro ;;
+	    *0?6[356]?:*:*:*|?6[356]?:*:*:*|6[356]?:*:*:*) ax_gcc_arch="pentium2 pentiumpro" ;;
+	    *0?6[78ab]?:*:*:*|?6[78ab]?:*:*:*|6[78ab]?:*:*:*) ax_gcc_arch="pentium3 pentiumpro" ;;
+	    *0?6[9d]?:*:*:*|?6[9d]?:*:*:*|6[9d]?:*:*:*|*1?65?:*:*:*) ax_gcc_arch="pentium-m pentium3 pentiumpro" ;;
+	    *0?6e?:*:*:*|?6e?:*:*:*|6e?:*:*:*) ax_gcc_arch="yonah pentium-m pentium3 pentiumpro" ;;
+	    *0?6f?:*:*:*|?6f?:*:*:*|6f?:*:*:*|*1?66?:*:*:*) ax_gcc_arch="core2 pentium-m pentium3 pentiumpro" ;;
 	    *1?6[7d]?:*:*:*) ax_gcc_arch="penryn core2 pentium-m pentium3 pentiumpro" ;;
-	    *1?6[aef]?:*:*:*|*2?6[5cef]?:*:*:*) ax_gcc_arch="corei7 core2 pentium-m pentium3 pentiumpro" ;;
-	    *1?6c?:*:*:*|*[23]?66?:*:*:*) ax_gcc_arch="atom core2 pentium-m pentium3 pentiumpro" ;;
-	    *2?6[ad]?:*:*:*) ax_gcc_arch="corei7-avx corei7 core2 pentium-m pentium3 pentiumpro" ;;
-	    *[1-9a-f]?6??:*:*:*) ax_gcc_arch="core2 pentiumpro" ;;
-	    *6[3456]?:*:*:*) ax_gcc_arch="pentium2 pentiumpro" ;;
-	    *6a?:*[01]:*:*) ax_gcc_arch="pentium2 pentiumpro" ;;
-	    *6a?:*[234]:*:*) ax_gcc_arch="pentium3 pentiumpro" ;;
-	    *6[9de]?:*:*:*) ax_gcc_arch="pentium-m pentium3 pentiumpro" ;;
-	    *6[78b]?:*:*:*) ax_gcc_arch="pentium3 pentiumpro" ;;
-	    *6f?:*:*:*) ax_gcc_arch="core2 pentium-m pentium3 pentiumpro" ;;
+	    *1?6[aef]?:*:*:*|*2?6e?:*:*:*) ax_gcc_arch="nehalem corei7 core2 pentium-m pentium3 pentiumpro" ;;
+	    *2?6[5cf]?:*:*:*) ax_gcc_arch="westmere corei7 core2 pentium-m pentium3 pentiumpro" ;;
+	    *2?6[ad]?:*:*:*) ax_gcc_arch="sandybridge corei7-avx corei7 core2 pentium-m pentium3 pentiumpro" ;;
+	    *3?6[ae]?:*:*:*) ax_gcc_arch="ivybridge core-avx-i corei7-avx corei7 core2 pentium-m pentium3 pentiumpro" ;;
+	    *3?6[cf]?:*:*:*|*4?6[56]?:*:*:*) ax_gcc_arch="haswell core-avx2 core-avx-i corei7-avx corei7 core2 pentium-m pentium3 pentiumpro" ;;
+	    *3?6d?:*:*:*) ax_gcc_arch="broadwell core-avx2 core-avx-i corei7-avx corei7 core2 pentium-m pentium3 pentiumpro" ;;
+	    *1?6c?:*:*:*|*2?6[67]?:*:*:*|*3?6[56]?:*:*:*) ax_gcc_arch="bonnell atom core2 pentium-m pentium3 pentiumpro" ;;
+	    *3?67?:*:*:*|*[45]?6[ad]?:*:*:*) ax_gcc_arch="silvermont atom core2 pentium-m pentium3 pentiumpro" ;;
+	    *000?f[012]?:*:*:*|?f[012]?:*:*:*|f[012]?:*:*:*) ax_gcc_arch="pentium4 pentiumpro" ;;
+	    *000?f[346]?:*:*:*|?f[346]?:*:*:*|f[346]?:*:*:*) ax_gcc_arch="nocona prescott pentium4 pentiumpro" ;;
+	    # fallback
+	    *5??:*:*:*) ax_gcc_arch=pentium ;;
+	    *??6??:*:*:*) ax_gcc_arch="core2 pentiumpro" ;;
 	    *6??:*:*:*) ax_gcc_arch=pentiumpro ;;
-	    *f3[347]:*:*:*|*f41347:*:*:*|*f6?:*:*:*)
-		case $host_cpu in
-	          x86_64*) ax_gcc_arch="nocona pentium4 pentiumpro" ;;
-	          *) ax_gcc_arch="prescott pentium4 pentiumpro" ;;
-	        esac ;;
-	    *f??:*:*:*) ax_gcc_arch="pentium4 pentiumpro";;
+	    *00??f??:*:*:*|??f??:*:*:*|?f??:*:*:*|f??:*:*:*) ax_gcc_arch="pentium4 pentiumpro" ;;
           esac ;;
-       *:68747541:*:*) # AMD
+       *:68747541:444d4163:69746e65) # AMD
           case $ax_cv_gcc_x86_cpuid_1 in
 	    *5[67]?:*:*:*) ax_gcc_arch=k6 ;;
-	    *5[8d]?:*:*:*) ax_gcc_arch="k6-2 k6" ;;
-	    *5[9]?:*:*:*) ax_gcc_arch="k6-3 k6" ;;
-	    *60?:*:*:*) ax_gcc_arch=k7 ;;
+	    *5[8]?:*:*:*) ax_gcc_arch="k6-2 k6" ;;
+	    *5[9d]?:*:*:*) ax_gcc_arch="k6-3 k6" ;;
 	    *6[12]?:*:*:*) ax_gcc_arch="athlon k7" ;;
 	    *6[34]?:*:*:*) ax_gcc_arch="athlon-tbird k7" ;;
-	    *67?:*:*:*) ax_gcc_arch="athlon-4 athlon k7" ;;
-	    *6[68a]?:*:*:*)
-
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86 cpuid 0x80000006 output" >&5
-$as_echo_n "checking for x86 cpuid 0x80000006 output... " >&6; }
-if ${ax_cv_gcc_x86_cpuid_0x80000006+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test "$cross_compiling" = yes; then :
-  ax_cv_gcc_x86_cpuid_0x80000006=unknown
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <stdio.h>
-int
-main ()
-{
-
-     int op = 0x80000006, eax, ebx, ecx, edx;
-     FILE *f;
-      __asm__("cpuid"
-        : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx)
-        : "a" (op));
-     f = fopen("conftest_cpuid", "w"); if (!f) return 1;
-     fprintf(f, "%x:%x:%x:%x\n", eax, ebx, ecx, edx);
-     fclose(f);
-     return 0;
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
-  ax_cv_gcc_x86_cpuid_0x80000006=`cat conftest_cpuid`; rm -f conftest_cpuid
-else
-  ax_cv_gcc_x86_cpuid_0x80000006=unknown; rm -f conftest_cpuid
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpuid_0x80000006" >&5
-$as_echo "$ax_cv_gcc_x86_cpuid_0x80000006" >&6; }
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
- # L2 cache size
-	       case $ax_cv_gcc_x86_cpuid_0x80000006 in
-                 *:*:*[1-9a-f]??????:*) # (L2 = ecx >> 16) >= 256
-			ax_gcc_arch="athlon-xp athlon-4 athlon k7" ;;
-                 *) ax_gcc_arch="athlon-4 athlon k7" ;;
-	       esac ;;
-	    *5??f??:*:*:*) ax_gcc_arch="btver1 amdfam10 k8" ;;
-	    *6??f??:*:*:*) ax_gcc_arch="bdver1 amdfam10 k8" ;;
-	    *[1-9a-f]??f??:*:*:*) ax_gcc_arch="amdfam10 k8" ;;
-	    *f[4cef8b]?:*:*:*) ax_gcc_arch="athlon64 k8" ;;
-	    *f5?:*:*:*) ax_gcc_arch="opteron k8" ;;
-	    *f7?:*:*:*) ax_gcc_arch="athlon-fx opteron k8" ;;
-	    *f??:*:*:*) ax_gcc_arch="k8" ;;
+	    *6[678a]?:*:*:*) ax_gcc_arch="athlon-xp athlon-4 athlon k7" ;;
+	    *000?f[4578bcef]?:*:*:*|?f[4578bcef]?:*:*:*|f[4578bcef]?:*:*:*|*001?f[4578bcf]?:*:*:*|1?f[4578bcf]?:*:*:*) ax_gcc_arch="athlon64 k8" ;;
+	    *002?f[13457bcf]?:*:*:*|2?f[13457bcf]?:*:*:*|*004?f[138bcf]?:*:*:*|4?f[138bcf]?:*:*:*|*005?f[df]?:*:*:*|5?f[df]?:*:*:*|*006?f[8bcf]?:*:*:*|6?f[8bcf]?:*:*:*|*007?f[cf]?:*:*:*|7?f[cf]?:*:*:*|*00c?f1?:*:*:*|c?f1?:*:*:*|*020?f3?:*:*:*|20?f3?:*:*:*) ax_gcc_arch="athlon64-sse3 k8-sse3 athlon64 k8" ;;
+	    *010?f[245689a]?:*:*:*|10?f[245689a]?:*:*:*|*030?f1?:*:*:*|30?f1?:*:*:*) ax_gcc_arch="barcelona amdfam10 k8" ;;
+	    *050?f[12]?:*:*:*|50?f[12]?:*:*:*) ax_gcc_arch="btver1 amdfam10 k8" ;;
+	    *060?f1?:*:*:*|60?f1?:*:*:*) ax_gcc_arch="bdver1 amdfam10 k8" ;;
+	    *060?f2?:*:*:*|60?f2?:*:*:*|*061?f[03]?:*:*:*|61?f[03]?:*:*:*) ax_gcc_arch="bdver2 bdver1 amdfam10 k8" ;;
+	    *063?f0?:*:*:*|63?f0?:*:*:*) ax_gcc_arch="bdver3 bdver2 bdver1 amdfam10 k8" ;;
+	    *07[03]?f0?:*:*:*|7[03]?f0?:*:*:*) ax_gcc_arch="btver2 btver1 amdfam10 k8" ;;
+	    # fallback
+	    *0[13]??f??:*:*:*|[13]??f??:*:*:*) ax_gcc_arch="barcelona amdfam10 k8" ;;
+	    *020?f??:*:*:*|20?f??:*:*:*) ax_gcc_arch="athlon64-sse3 k8-sse3 athlon64 k8" ;;
+	    *05??f??:*:*:*|5??f??:*:*:*) ax_gcc_arch="btver1 amdfam10 k8" ;;
+	    *060?f??:*:*:*|60?f??:*:*:*) ax_gcc_arch="bdver1 amdfam10 k8" ;;
+	    *061?f??:*:*:*|61?f??:*:*:*) ax_gcc_arch="bdver2 bdver1 amdfam10 k8" ;;
+	    *06??f??:*:*:*|6??f??:*:*:*) ax_gcc_arch="bdver3 bdver2 bdver1 amdfam10 k8" ;;
+	    *070?f??:*:*:*|70?f??:*:*:*) ax_gcc_arch="btver2 btver1 amdfam10 k8" ;;
+	    *???f??:*:*:*) ax_gcc_arch="amdfam10 k8" ;;
           esac ;;
-	*:746e6543:*:*) # IDT
+	*:746e6543:736c7561:48727561) # IDT / VIA (Centaur)
 	   case $ax_cv_gcc_x86_cpuid_1 in
 	     *54?:*:*:*) ax_gcc_arch=winchip-c6 ;;
-	     *58?:*:*:*) ax_gcc_arch=winchip2 ;;
+	     *5[89]?:*:*:*) ax_gcc_arch=winchip2 ;;
+	     *66?:*:*:*) ax_gcc_arch=winchip2 ;;
 	     *6[78]?:*:*:*) ax_gcc_arch=c3 ;;
-	     *69?:*:*:*) ax_gcc_arch="c3-2 c3" ;;
+	     *6[9adf]?:*:*:*) ax_gcc_arch="c3-2 c3" ;;
 	   esac ;;
      esac
      if test x"$ax_gcc_arch" = x; then # fallback
@@ -8921,16 +8951,18 @@ fi # not cross-compiling
 fi # guess arch
 
 if test "x$ax_gcc_arch" != x -a "x$ax_gcc_arch" != xno; then
-for arch in $ax_gcc_arch; do
-  if test "xyes" = xyes; then # if we require portable code
-    flags="-mtune=$arch"
-    # -mcpu=$arch and m$arch generate nonportable code on every arch except
-    # x86.  And some other arches (e.g. Alpha) don't accept -mtune.  Grrr.
-    case $host_cpu in i*86|x86_64*) flags="$flags -mcpu=$arch -m$arch";; esac
-  else
-    flags="-march=$arch -mcpu=$arch -m$arch"
-  fi
-  for flag in $flags; do
+if test "xyes" = xyes; then # if we require portable code
+  flag_prefixes="-mtune="
+  if test "x$ax_cv_c_compiler_vendor" = xclang; then flag_prefixes="-march="; fi
+  # -mcpu=$arch and m$arch generate nonportable code on every arch except
+  # x86.  And some other arches (e.g. Alpha) don't accept -mtune.  Grrr.
+  case $host_cpu in i*86|x86_64*|amd64*) flag_prefixes="$flag_prefixes -mcpu= -m";; esac
+else
+  flag_prefixes="-march= -mcpu= -m"
+fi
+for flag_prefix in $flag_prefixes; do
+  for arch in $ax_gcc_arch; do
+    flag="$flag_prefix$arch"
     as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5
 $as_echo_n "checking whether C compiler accepts $flag... " >&6; }
@@ -8962,8 +8994,12 @@ fi
 eval ac_res=\$$as_CACHEVAR
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-if test x"`eval 'as_val=${'$as_CACHEVAR'};$as_echo "$as_val"'`" = xyes; then :
-  ax_cv_gcc_archflag=$flag; break
+if eval test \"x\$"$as_CACHEVAR"\" = x"yes"; then :
+  if test "x$ax_cv_c_compiler_vendor" = xclang; then
+      if test "xyes" = xyes; then
+	if test "x$flag" = "x-march=$arch"; then flag=-mtune=$arch; fi
+      fi
+    fi; ax_cv_gcc_archflag=$flag; break
 else
   :
 fi
@@ -8989,6 +9025,11 @@ fi
 
 
 
+
+
+
+
+
 if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
 	if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}pkg-config", so it can be a program name with args.
@@ -9101,7 +9142,6 @@ $as_echo "yes" >&6; }
 $as_echo "no" >&6; }
 		PKG_CONFIG=""
 	fi
-
 fi
 
 
@@ -9146,19 +9186,19 @@ $as_echo_n "checking for C compiler vendor... " >&6; }
 if ${ax_cv_c_compiler_vendor+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  # note: don't check for gcc first since some other compilers define __GNUC__
+    # note: don't check for gcc first since some other compilers define __GNUC__
   vendors="intel:     __ICC,__ECC,__INTEL_COMPILER
            ibm:       __xlc__,__xlC__,__IBMC__,__IBMCPP__
            pathscale: __PATHCC__,__PATHSCALE__
            clang:     __clang__
+           cray:      _CRAYC
            fujitsu:   __FUJITSU
            gnu:       __GNUC__
            sun:       __SUNPRO_C,__SUNPRO_CC
            hp:        __HP_cc,__HP_aCC
            dec:       __DECC,__DECCXX,__DECC_VER,__DECCXX_VER
-           borland:   __BORLANDC__,__TURBOC__
+           borland:   __BORLANDC__,__CODEGEARC__,__TURBOC__
            comeau:    __COMO__
-           cray:      _CRAYC
            kai:       __KCC
            lcc:       __LCC__
            sgi:       __sgi,sgi
@@ -9166,6 +9206,7 @@ else
            metrowerks: __MWERKS__
            watcom:    __WATCOMC__
            portland:  __PGI
+	   tcc:       __TINYC__
            unknown:   UNKNOWN"
   for ventest in $vendors; do
     case $ventest in
@@ -9242,26 +9283,36 @@ $as_echo "$ac_cv_cflags_warn_all" >&6; }
 case ".$ac_cv_cflags_warn_all" in
      .ok|.ok,*)  ;;
    .|.no|.no,*)  ;;
-   *) if ${CFLAGS+:} false; then :
-  case " $CFLAGS " in
-    *" $ac_cv_cflags_warn_all "*)
-      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$ac_cv_cflags_warn_all"; } >&5
+   *)
+if ${CFLAGS+:} false; then :
+
+  case " $CFLAGS " in #(
+  *" $ac_cv_cflags_warn_all "*) :
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$ac_cv_cflags_warn_all"; } >&5
   (: CFLAGS already contains $ac_cv_cflags_warn_all) 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }
-      ;;
-    *)
-      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS \$ac_cv_cflags_warn_all\""; } >&5
-  (: CFLAGS="$CFLAGS $ac_cv_cflags_warn_all") 2>&5
+  test $ac_status = 0; } ;; #(
+  *) :
+
+     as_fn_append CFLAGS " $ac_cv_cflags_warn_all"
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
+  (: CFLAGS="$CFLAGS") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
-      CFLAGS="$CFLAGS $ac_cv_cflags_warn_all"
-      ;;
-   esac
+     ;;
+esac
+
 else
-  CFLAGS="$ac_cv_cflags_warn_all"
+
+  CFLAGS=$ac_cv_cflags_warn_all
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
+  (: CFLAGS="$CFLAGS") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+
 fi
  ;;
 esac
@@ -26259,25 +26310,22 @@ else
 fi
 
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler recognizes bool as a built-in type" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler recognizes bool as a built-in type" >&5
 $as_echo_n "checking whether the compiler recognizes bool as a built-in type... " >&6; }
 if ${ax_cv_cxx_bool+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-
- ac_ext=cpp
+       ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-
-int f(int  x){return 1;}
-int f(char x){return 1;}
-int f(bool x){return 1;}
-
+       int f(int  x){return 1;}
+                        int f(char x){return 1;}
+                        int f(bool x){return 1;}
 int
 main ()
 {
@@ -26292,7 +26340,7 @@ else
   ax_cv_cxx_bool=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- ac_ext=cpp
+     ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
@@ -26302,7 +26350,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxx_bool" >&5
 $as_echo "$ax_cv_cxx_bool" >&6; }
-if test "$ax_cv_cxx_bool" = yes; then
+  if test "X$ax_cv_cxx_bool" = Xyes; then :
 
 $as_echo "#define HAVE_BOOL /**/" >>confdefs.h
 
@@ -28815,6 +28863,7 @@ if test -n "$AUTOTRACE_CFLAGS"; then
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_AUTOTRACE_CFLAGS=`$PKG_CONFIG --cflags "autotrace >= 0.31.1" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
@@ -28831,6 +28880,7 @@ if test -n "$AUTOTRACE_LIBS"; then
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_AUTOTRACE_LIBS=`$PKG_CONFIG --libs "autotrace >= 0.31.1" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
@@ -28841,6 +28891,8 @@ fi
 
 
 if test $pkg_failed = yes; then
+   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 
 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
         _pkg_short_errors_supported=yes
@@ -28848,17 +28900,17 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        AUTOTRACE_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "autotrace >= 0.31.1" 2>&1`
+	        AUTOTRACE_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "autotrace >= 0.31.1" 2>&1`
         else
-	        AUTOTRACE_PKG_ERRORS=`$PKG_CONFIG --print-errors "autotrace >= 0.31.1" 2>&1`
+	        AUTOTRACE_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "autotrace >= 0.31.1" 2>&1`
         fi
 	# Put the nasty error message in config.log where it belongs
 	echo "$AUTOTRACE_PKG_ERRORS" >&5
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-                have_autotrace=no
+	have_autotrace=no
 elif test $pkg_failed = untried; then
+     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 	have_autotrace=no
 else
 	AUTOTRACE_CFLAGS=$pkg_cv_AUTOTRACE_CFLAGS
@@ -29508,6 +29560,7 @@ if test -n "$FONTCONFIG_CFLAGS"; then
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_FONTCONFIG_CFLAGS=`$PKG_CONFIG --cflags "fontconfig >= 2.1.0" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
@@ -29524,6 +29577,7 @@ if test -n "$FONTCONFIG_LIBS"; then
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_FONTCONFIG_LIBS=`$PKG_CONFIG --libs "fontconfig >= 2.1.0" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
@@ -29534,6 +29588,8 @@ fi
 
 
 if test $pkg_failed = yes; then
+   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 
 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
         _pkg_short_errors_supported=yes
@@ -29541,17 +29597,17 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        FONTCONFIG_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "fontconfig >= 2.1.0" 2>&1`
+	        FONTCONFIG_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "fontconfig >= 2.1.0" 2>&1`
         else
-	        FONTCONFIG_PKG_ERRORS=`$PKG_CONFIG --print-errors "fontconfig >= 2.1.0" 2>&1`
+	        FONTCONFIG_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "fontconfig >= 2.1.0" 2>&1`
         fi
 	# Put the nasty error message in config.log where it belongs
 	echo "$FONTCONFIG_PKG_ERRORS" >&5
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-                have_fontconfig=no
+	have_fontconfig=no
 elif test $pkg_failed = untried; then
+     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 	have_fontconfig=no
 else
 	FONTCONFIG_CFLAGS=$pkg_cv_FONTCONFIG_CFLAGS
@@ -29623,6 +29679,7 @@ if test -n "$FREETYPE_CFLAGS"; then
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_FREETYPE_CFLAGS=`$PKG_CONFIG --cflags "freetype2" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
@@ -29639,6 +29696,7 @@ if test -n "$FREETYPE_LIBS"; then
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_FREETYPE_LIBS=`$PKG_CONFIG --libs "freetype2" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
@@ -29649,6 +29707,8 @@ fi
 
 
 if test $pkg_failed = yes; then
+   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 
 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
         _pkg_short_errors_supported=yes
@@ -29656,17 +29716,17 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        FREETYPE_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "freetype2" 2>&1`
+	        FREETYPE_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "freetype2" 2>&1`
         else
-	        FREETYPE_PKG_ERRORS=`$PKG_CONFIG --print-errors "freetype2" 2>&1`
+	        FREETYPE_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "freetype2" 2>&1`
         fi
 	# Put the nasty error message in config.log where it belongs
 	echo "$FREETYPE_PKG_ERRORS" >&5
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-                have_freetype=no
+	have_freetype=no
 elif test $pkg_failed = untried; then
+     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 	have_freetype=no
 else
 	FREETYPE_CFLAGS=$pkg_cv_FREETYPE_CFLAGS
@@ -29940,6 +30000,7 @@ if test -n "$GVC_CFLAGS"; then
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_GVC_CFLAGS=`$PKG_CONFIG --cflags "libgvc >= 2.9.0" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
@@ -29956,6 +30017,7 @@ if test -n "$GVC_LIBS"; then
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_GVC_LIBS=`$PKG_CONFIG --libs "libgvc >= 2.9.0" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
@@ -29966,6 +30028,8 @@ fi
 
 
 if test $pkg_failed = yes; then
+   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 
 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
         _pkg_short_errors_supported=yes
@@ -29973,17 +30037,17 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        GVC_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "libgvc >= 2.9.0" 2>&1`
+	        GVC_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libgvc >= 2.9.0" 2>&1`
         else
-	        GVC_PKG_ERRORS=`$PKG_CONFIG --print-errors "libgvc >= 2.9.0" 2>&1`
+	        GVC_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libgvc >= 2.9.0" 2>&1`
         fi
 	# Put the nasty error message in config.log where it belongs
 	echo "$GVC_PKG_ERRORS" >&5
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-                have_gvc=no
+	have_gvc=no
 elif test $pkg_failed = untried; then
+     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 	have_gvc=no
 else
 	GVC_CFLAGS=$pkg_cv_GVC_CFLAGS
@@ -30607,6 +30671,7 @@ if test -n "$LIBOPENJP2_CFLAGS"; then
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LIBOPENJP2_CFLAGS=`$PKG_CONFIG --cflags "libopenjp2 >= 2.1.0" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
@@ -30623,6 +30688,7 @@ if test -n "$LIBOPENJP2_LIBS"; then
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LIBOPENJP2_LIBS=`$PKG_CONFIG --libs "libopenjp2 >= 2.1.0" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
@@ -30633,6 +30699,8 @@ fi
 
 
 if test $pkg_failed = yes; then
+   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 
 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
         _pkg_short_errors_supported=yes
@@ -30640,17 +30708,17 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        LIBOPENJP2_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "libopenjp2 >= 2.1.0" 2>&1`
+	        LIBOPENJP2_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libopenjp2 >= 2.1.0" 2>&1`
         else
-	        LIBOPENJP2_PKG_ERRORS=`$PKG_CONFIG --print-errors "libopenjp2 >= 2.1.0" 2>&1`
+	        LIBOPENJP2_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libopenjp2 >= 2.1.0" 2>&1`
         fi
 	# Put the nasty error message in config.log where it belongs
 	echo "$LIBOPENJP2_PKG_ERRORS" >&5
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-                have_openjp2=no
+	have_openjp2=no
 elif test $pkg_failed = untried; then
+     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 	have_openjp2=no
 else
 	LIBOPENJP2_CFLAGS=$pkg_cv_LIBOPENJP2_CFLAGS
@@ -30723,6 +30791,7 @@ if test -n "$LQR_CFLAGS"; then
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LQR_CFLAGS=`$PKG_CONFIG --cflags "lqr-1 >= 0.1.0" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
@@ -30739,6 +30808,7 @@ if test -n "$LQR_LIBS"; then
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LQR_LIBS=`$PKG_CONFIG --libs "lqr-1 >= 0.1.0" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
@@ -30749,6 +30819,8 @@ fi
 
 
 if test $pkg_failed = yes; then
+   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 
 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
         _pkg_short_errors_supported=yes
@@ -30756,17 +30828,17 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        LQR_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "lqr-1 >= 0.1.0" 2>&1`
+	        LQR_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "lqr-1 >= 0.1.0" 2>&1`
         else
-	        LQR_PKG_ERRORS=`$PKG_CONFIG --print-errors "lqr-1 >= 0.1.0" 2>&1`
+	        LQR_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "lqr-1 >= 0.1.0" 2>&1`
         fi
 	# Put the nasty error message in config.log where it belongs
 	echo "$LQR_PKG_ERRORS" >&5
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-                have_lqr=no
+	have_lqr=no
 elif test $pkg_failed = untried; then
+     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 	have_lqr=no
 else
 	LQR_CFLAGS=$pkg_cv_LQR_CFLAGS
@@ -30830,6 +30902,7 @@ if test -n "$LZMA_CFLAGS"; then
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LZMA_CFLAGS=`$PKG_CONFIG --cflags "liblzma >= 2.9.0" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
@@ -30846,6 +30919,7 @@ if test -n "$LZMA_LIBS"; then
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LZMA_LIBS=`$PKG_CONFIG --libs "liblzma >= 2.9.0" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
@@ -30856,6 +30930,8 @@ fi
 
 
 if test $pkg_failed = yes; then
+   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 
 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
         _pkg_short_errors_supported=yes
@@ -30863,17 +30939,17 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        LZMA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "liblzma >= 2.9.0" 2>&1`
+	        LZMA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "liblzma >= 2.9.0" 2>&1`
         else
-	        LZMA_PKG_ERRORS=`$PKG_CONFIG --print-errors "liblzma >= 2.9.0" 2>&1`
+	        LZMA_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "liblzma >= 2.9.0" 2>&1`
         fi
 	# Put the nasty error message in config.log where it belongs
 	echo "$LZMA_PKG_ERRORS" >&5
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-                have_lzma=no
+	have_lzma=no
 elif test $pkg_failed = untried; then
+     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 	have_lzma=no
 else
 	LZMA_CFLAGS=$pkg_cv_LZMA_CFLAGS
@@ -30945,6 +31021,7 @@ if test -n "$OPENEXR_CFLAGS"; then
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_OPENEXR_CFLAGS=`$PKG_CONFIG --cflags "OpenEXR >= 1.0.6" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
@@ -30961,6 +31038,7 @@ if test -n "$OPENEXR_LIBS"; then
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_OPENEXR_LIBS=`$PKG_CONFIG --libs "OpenEXR >= 1.0.6" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
@@ -30971,6 +31049,8 @@ fi
 
 
 if test $pkg_failed = yes; then
+   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 
 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
         _pkg_short_errors_supported=yes
@@ -30978,17 +31058,17 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        OPENEXR_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "OpenEXR >= 1.0.6" 2>&1`
+	        OPENEXR_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "OpenEXR >= 1.0.6" 2>&1`
         else
-	        OPENEXR_PKG_ERRORS=`$PKG_CONFIG --print-errors "OpenEXR >= 1.0.6" 2>&1`
+	        OPENEXR_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "OpenEXR >= 1.0.6" 2>&1`
         fi
 	# Put the nasty error message in config.log where it belongs
 	echo "$OPENEXR_PKG_ERRORS" >&5
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-                have_openexr=no
+	have_openexr=no
 elif test $pkg_failed = untried; then
+     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 	have_openexr=no
 else
 	OPENEXR_CFLAGS=$pkg_cv_OPENEXR_CFLAGS
@@ -31061,6 +31141,7 @@ if test -n "$PANGO_CFLAGS"; then
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_PANGO_CFLAGS=`$PKG_CONFIG --cflags "pangocairo >= 1.28.1" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
@@ -31077,6 +31158,7 @@ if test -n "$PANGO_LIBS"; then
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_PANGO_LIBS=`$PKG_CONFIG --libs "pangocairo >= 1.28.1" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
@@ -31087,6 +31169,8 @@ fi
 
 
 if test $pkg_failed = yes; then
+   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 
 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
         _pkg_short_errors_supported=yes
@@ -31094,17 +31178,17 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        PANGO_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "pangocairo >= 1.28.1" 2>&1`
+	        PANGO_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "pangocairo >= 1.28.1" 2>&1`
         else
-	        PANGO_PKG_ERRORS=`$PKG_CONFIG --print-errors "pangocairo >= 1.28.1" 2>&1`
+	        PANGO_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "pangocairo >= 1.28.1" 2>&1`
         fi
 	# Put the nasty error message in config.log where it belongs
 	echo "$PANGO_PKG_ERRORS" >&5
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-                have_pangocairo=no
+	have_pangocairo=no
 elif test $pkg_failed = untried; then
+     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 	have_pangocairo=no
 else
 	PANGO_CFLAGS=$pkg_cv_PANGO_CFLAGS
@@ -31130,6 +31214,7 @@ if test -n "$PANGO_CFLAGS"; then
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_PANGO_CFLAGS=`$PKG_CONFIG --cflags "pango >= 1.28.1" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
@@ -31146,6 +31231,7 @@ if test -n "$PANGO_LIBS"; then
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_PANGO_LIBS=`$PKG_CONFIG --libs "pango >= 1.28.1" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
@@ -31156,6 +31242,8 @@ fi
 
 
 if test $pkg_failed = yes; then
+   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 
 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
         _pkg_short_errors_supported=yes
@@ -31163,17 +31251,17 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        PANGO_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "pango >= 1.28.1" 2>&1`
+	        PANGO_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "pango >= 1.28.1" 2>&1`
         else
-	        PANGO_PKG_ERRORS=`$PKG_CONFIG --print-errors "pango >= 1.28.1" 2>&1`
+	        PANGO_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "pango >= 1.28.1" 2>&1`
         fi
 	# Put the nasty error message in config.log where it belongs
 	echo "$PANGO_PKG_ERRORS" >&5
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-                have_pango=no
+	have_pango=no
 elif test $pkg_failed = untried; then
+     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 	have_pango=no
 else
 	PANGO_CFLAGS=$pkg_cv_PANGO_CFLAGS
@@ -31829,6 +31917,7 @@ if test -n "$RSVG_CFLAGS"; then
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_RSVG_CFLAGS=`$PKG_CONFIG --cflags "librsvg-2.0 >= 2.9.0" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
@@ -31845,6 +31934,7 @@ if test -n "$RSVG_LIBS"; then
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_RSVG_LIBS=`$PKG_CONFIG --libs "librsvg-2.0 >= 2.9.0" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
@@ -31855,6 +31945,8 @@ fi
 
 
 if test $pkg_failed = yes; then
+   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 
 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
         _pkg_short_errors_supported=yes
@@ -31862,17 +31954,17 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        RSVG_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "librsvg-2.0 >= 2.9.0" 2>&1`
+	        RSVG_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "librsvg-2.0 >= 2.9.0" 2>&1`
         else
-	        RSVG_PKG_ERRORS=`$PKG_CONFIG --print-errors "librsvg-2.0 >= 2.9.0" 2>&1`
+	        RSVG_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "librsvg-2.0 >= 2.9.0" 2>&1`
         fi
 	# Put the nasty error message in config.log where it belongs
 	echo "$RSVG_PKG_ERRORS" >&5
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-                have_rsvg=no
+	have_rsvg=no
 elif test $pkg_failed = untried; then
+     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 	have_rsvg=no
 else
 	RSVG_CFLAGS=$pkg_cv_RSVG_CFLAGS
@@ -31898,6 +31990,7 @@ if test -n "$CAIRO_SVG_CFLAGS"; then
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_CAIRO_SVG_CFLAGS=`$PKG_CONFIG --cflags "cairo-svg" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
@@ -31914,6 +32007,7 @@ if test -n "$CAIRO_SVG_LIBS"; then
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_CAIRO_SVG_LIBS=`$PKG_CONFIG --libs "cairo-svg" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
@@ -31924,6 +32018,8 @@ fi
 
 
 if test $pkg_failed = yes; then
+   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 
 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
         _pkg_short_errors_supported=yes
@@ -31931,17 +32027,17 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        CAIRO_SVG_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "cairo-svg" 2>&1`
+	        CAIRO_SVG_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "cairo-svg" 2>&1`
         else
-	        CAIRO_SVG_PKG_ERRORS=`$PKG_CONFIG --print-errors "cairo-svg" 2>&1`
+	        CAIRO_SVG_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "cairo-svg" 2>&1`
         fi
 	# Put the nasty error message in config.log where it belongs
 	echo "$CAIRO_SVG_PKG_ERRORS" >&5
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-                have_cairo=no
+	have_cairo=no
 elif test $pkg_failed = untried; then
+     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 	have_cairo=no
 else
 	CAIRO_SVG_CFLAGS=$pkg_cv_CAIRO_SVG_CFLAGS
diff --git a/m4/ax_append_flag.m4 b/m4/ax_append_flag.m4
index 1d38b76fb..aeab89979 100644
--- a/m4/ax_append_flag.m4
+++ b/m4/ax_append_flag.m4
@@ -49,21 +49,23 @@
 #   modified version of the Autoconf Macro, you may extend this special
 #   exception to the GPL to apply to your modified version as well.
 
-#serial 2
+#serial 5
 
 AC_DEFUN([AX_APPEND_FLAG],
-[AC_PREREQ(2.59)dnl for _AC_LANG_PREFIX
-AS_VAR_PUSHDEF([FLAGS], [m4_default($2,_AC_LANG_PREFIX[FLAGS])])dnl
-AS_VAR_SET_IF(FLAGS,
-  [case " AS_VAR_GET(FLAGS) " in
-    *" $1 "*)
-      AC_RUN_LOG([: FLAGS already contains $1])
-      ;;
-    *)
-      AC_RUN_LOG([: FLAGS="$FLAGS $1"])
-      AS_VAR_SET(FLAGS, ["AS_VAR_GET(FLAGS) $1"])
-      ;;
-   esac],
-  [AS_VAR_SET(FLAGS,["$1"])])
+[dnl
+AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_SET_IF
+AS_VAR_PUSHDEF([FLAGS], [m4_default($2,_AC_LANG_PREFIX[FLAGS])])
+AS_VAR_SET_IF(FLAGS,[
+  AS_CASE([" AS_VAR_GET(FLAGS) "],
+    [*" $1 "*], [AC_RUN_LOG([: FLAGS already contains $1])],
+    [
+     AS_VAR_APPEND(FLAGS," $1")
+     AC_RUN_LOG([: FLAGS="$FLAGS"])
+    ])
+  ],
+  [
+  AS_VAR_SET(FLAGS,[$1])
+  AC_RUN_LOG([: FLAGS="$FLAGS"])
+  ])
 AS_VAR_POPDEF([FLAGS])dnl
 ])dnl AX_APPEND_FLAG
diff --git a/m4/ax_c___attribute__.m4 b/m4/ax_c___attribute__.m4
index 25b7c93c6..cf3d62bbd 100644
--- a/m4/ax_c___attribute__.m4
+++ b/m4/ax_c___attribute__.m4
@@ -50,7 +50,7 @@ AC_DEFUN([AX_C___ATTRIBUTE__], [
     [AC_COMPILE_IFELSE(
       [AC_LANG_PROGRAM(
 	[[#include <stdlib.h>
-	  static void foo(void) __attribute__ ((__unused__));
+	  static void foo(void) __attribute__ ((unused));
 	  static void
 	  foo(void) {
 	      exit(1);
diff --git a/m4/ax_check_compile_flag.m4 b/m4/ax_check_compile_flag.m4
index 51df0c09a..ca3639715 100644
--- a/m4/ax_check_compile_flag.m4
+++ b/m4/ax_check_compile_flag.m4
@@ -55,10 +55,10 @@
 #   modified version of the Autoconf Macro, you may extend this special
 #   exception to the GPL to apply to your modified version as well.
 
-#serial 3
+#serial 4
 
 AC_DEFUN([AX_CHECK_COMPILE_FLAG],
-[AC_PREREQ(2.59)dnl for _AC_LANG_PREFIX
+[AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF
 AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl
 AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [
   ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS
@@ -67,7 +67,7 @@ AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [
     [AS_VAR_SET(CACHEVAR,[yes])],
     [AS_VAR_SET(CACHEVAR,[no])])
   _AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags])
-AS_IF([test x"AS_VAR_GET(CACHEVAR)" = xyes],
+AS_VAR_IF(CACHEVAR,yes,
   [m4_default([$2], :)],
   [m4_default([$3], :)])
 AS_VAR_POPDEF([CACHEVAR])dnl
diff --git a/m4/ax_compiler_vendor.m4 b/m4/ax_compiler_vendor.m4
index c2f421bc9..39ca3c0f3 100644
--- a/m4/ax_compiler_vendor.m4
+++ b/m4/ax_compiler_vendor.m4
@@ -44,23 +44,24 @@
 #   modified version of the Autoconf Macro, you may extend this special
 #   exception to the GPL to apply to your modified version as well.
 
-#serial 12
+#serial 15
 
 AC_DEFUN([AX_COMPILER_VENDOR],
 [AC_CACHE_CHECK([for _AC_LANG compiler vendor], ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor,
+  dnl Please add if possible support to ax_compiler_version.m4
   [# note: don't check for gcc first since some other compilers define __GNUC__
   vendors="intel:     __ICC,__ECC,__INTEL_COMPILER
            ibm:       __xlc__,__xlC__,__IBMC__,__IBMCPP__
            pathscale: __PATHCC__,__PATHSCALE__
            clang:     __clang__
+           cray:      _CRAYC
            fujitsu:   __FUJITSU
            gnu:       __GNUC__
            sun:       __SUNPRO_C,__SUNPRO_CC
            hp:        __HP_cc,__HP_aCC
            dec:       __DECC,__DECCXX,__DECC_VER,__DECCXX_VER
-           borland:   __BORLANDC__,__TURBOC__
+           borland:   __BORLANDC__,__CODEGEARC__,__TURBOC__
            comeau:    __COMO__
-           cray:      _CRAYC
            kai:       __KCC
            lcc:       __LCC__
            sgi:       __sgi,sgi
@@ -68,6 +69,7 @@ AC_DEFUN([AX_COMPILER_VENDOR],
            metrowerks: __MWERKS__
            watcom:    __WATCOMC__
            portland:  __PGI
+	   tcc:       __TINYC__
            unknown:   UNKNOWN"
   for ventest in $vendors; do
     case $ventest in
diff --git a/m4/ax_cxx_bool.m4 b/m4/ax_cxx_bool.m4
index 4a74230d6..064a318ea 100644
--- a/m4/ax_cxx_bool.m4
+++ b/m4/ax_cxx_bool.m4
@@ -23,23 +23,23 @@
 #   and this notice are preserved. This file is offered as-is, without any
 #   warranty.
 
-#serial 6
+#serial 7
 
 AU_ALIAS([AC_CXX_BOOL], [AX_CXX_BOOL])
 AC_DEFUN([AX_CXX_BOOL],
-[AC_CACHE_CHECK(whether the compiler recognizes bool as a built-in type,
-ax_cv_cxx_bool,
-[AC_LANG_SAVE
- AC_LANG_CPLUSPLUS
- AC_TRY_COMPILE([
-int f(int  x){return 1;}
-int f(char x){return 1;}
-int f(bool x){return 1;}
-],[bool b = true; return f(b);],
- ax_cv_cxx_bool=yes, ax_cv_cxx_bool=no)
- AC_LANG_RESTORE
-])
-if test "$ax_cv_cxx_bool" = yes; then
-  AC_DEFINE(HAVE_BOOL,,[define if bool is a built-in type])
-fi
+[dnl
+ AC_CACHE_CHECK(whether the compiler recognizes bool as a built-in type,
+   ax_cv_cxx_bool,
+   [dnl
+     AC_LANG_PUSH([C++])
+     AC_COMPILE_IFELSE([dnl
+       AC_LANG_PROGRAM([int f(int  x){return 1;}
+                        int f(char x){return 1;}
+                        int f(bool x){return 1;}],
+                       [bool b = true; return f(b);])],
+       ax_cv_cxx_bool=yes, ax_cv_cxx_bool=no)
+     AC_LANG_POP([C++])
+  ])
+  AS_IF([test "X$ax_cv_cxx_bool" = Xyes],
+        [AC_DEFINE(HAVE_BOOL,,[define if bool is a built-in type])])
 ])
diff --git a/m4/ax_gcc_archflag.m4 b/m4/ax_gcc_archflag.m4
index 61820ea12..0d0bf4311 100644
--- a/m4/ax_gcc_archflag.m4
+++ b/m4/ax_gcc_archflag.m4
@@ -36,7 +36,7 @@
 #
 #   Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu>
 #   Copyright (c) 2008 Matteo Frigo
-#   Copyright (c) 2012 Tsukasa Oi
+#   Copyright (c) 2014 Tsukasa Oi
 #
 #   This program is free software: you can redistribute it and/or modify it
 #   under the terms of the GNU General Public License as published by the
@@ -64,12 +64,13 @@
 #   modified version of the Autoconf Macro, you may extend this special
 #   exception to the GPL to apply to your modified version as well.
 
-#serial 14
+#serial 17
 
 AC_DEFUN([AX_GCC_ARCHFLAG],
 [AC_REQUIRE([AC_PROG_CC])
 AC_REQUIRE([AC_CANONICAL_HOST])
 AC_REQUIRE([AC_PROG_SED])
+AC_REQUIRE([AX_COMPILER_VENDOR])
 
 AC_ARG_WITH(gcc-arch, [AS_HELP_STRING([--with-gcc-arch=<arch>], [use architecture <arch> for gcc -march/-mtune, instead of guessing])],
 	ax_gcc_arch=$withval, ax_gcc_arch=yes)
@@ -90,59 +91,66 @@ case $host_cpu in
      AX_GCC_X86_CPUID(0)
      AX_GCC_X86_CPUID(1)
      case $ax_cv_gcc_x86_cpuid_0 in
-       *:756e6547:*:*) # Intel
+       *:756e6547:6c65746e:49656e69) # Intel
           case $ax_cv_gcc_x86_cpuid_1 in
-	    *5[[48]]?:*:*:*) ax_gcc_arch="pentium-mmx pentium" ;;
-	    *5??:*:*:*) ax_gcc_arch=pentium ;;
+	    *5[[4578]]?:*:*:*) ax_gcc_arch="pentium-mmx pentium" ;;
+	    *5[[123]]?:*:*:*) ax_gcc_arch=pentium ;;
+	    *0?61?:*:*:*|?61?:*:*:*|61?:*:*:*) ax_gcc_arch=pentiumpro ;;
+	    *0?6[[356]]?:*:*:*|?6[[356]]?:*:*:*|6[[356]]?:*:*:*) ax_gcc_arch="pentium2 pentiumpro" ;;
+	    *0?6[[78ab]]?:*:*:*|?6[[78ab]]?:*:*:*|6[[78ab]]?:*:*:*) ax_gcc_arch="pentium3 pentiumpro" ;;
+	    *0?6[[9d]]?:*:*:*|?6[[9d]]?:*:*:*|6[[9d]]?:*:*:*|*1?65?:*:*:*) ax_gcc_arch="pentium-m pentium3 pentiumpro" ;;
+	    *0?6e?:*:*:*|?6e?:*:*:*|6e?:*:*:*) ax_gcc_arch="yonah pentium-m pentium3 pentiumpro" ;;
+	    *0?6f?:*:*:*|?6f?:*:*:*|6f?:*:*:*|*1?66?:*:*:*) ax_gcc_arch="core2 pentium-m pentium3 pentiumpro" ;;
 	    *1?6[[7d]]?:*:*:*) ax_gcc_arch="penryn core2 pentium-m pentium3 pentiumpro" ;;
-	    *1?6[[aef]]?:*:*:*|*2?6[[5cef]]?:*:*:*) ax_gcc_arch="corei7 core2 pentium-m pentium3 pentiumpro" ;;
-	    *1?6c?:*:*:*|*[[23]]?66?:*:*:*) ax_gcc_arch="atom core2 pentium-m pentium3 pentiumpro" ;;
-	    *2?6[[ad]]?:*:*:*) ax_gcc_arch="corei7-avx corei7 core2 pentium-m pentium3 pentiumpro" ;;
-	    *[[1-9a-f]]?6??:*:*:*) ax_gcc_arch="core2 pentiumpro" ;;
-	    *6[[3456]]?:*:*:*) ax_gcc_arch="pentium2 pentiumpro" ;;
-	    *6a?:*[[01]]:*:*) ax_gcc_arch="pentium2 pentiumpro" ;;
-	    *6a?:*[[234]]:*:*) ax_gcc_arch="pentium3 pentiumpro" ;;
-	    *6[[9de]]?:*:*:*) ax_gcc_arch="pentium-m pentium3 pentiumpro" ;;
-	    *6[[78b]]?:*:*:*) ax_gcc_arch="pentium3 pentiumpro" ;;
-	    *6f?:*:*:*) ax_gcc_arch="core2 pentium-m pentium3 pentiumpro" ;;
+	    *1?6[[aef]]?:*:*:*|*2?6e?:*:*:*) ax_gcc_arch="nehalem corei7 core2 pentium-m pentium3 pentiumpro" ;;
+	    *2?6[[5cf]]?:*:*:*) ax_gcc_arch="westmere corei7 core2 pentium-m pentium3 pentiumpro" ;;
+	    *2?6[[ad]]?:*:*:*) ax_gcc_arch="sandybridge corei7-avx corei7 core2 pentium-m pentium3 pentiumpro" ;;
+	    *3?6[[ae]]?:*:*:*) ax_gcc_arch="ivybridge core-avx-i corei7-avx corei7 core2 pentium-m pentium3 pentiumpro" ;;
+	    *3?6[[cf]]?:*:*:*|*4?6[[56]]?:*:*:*) ax_gcc_arch="haswell core-avx2 core-avx-i corei7-avx corei7 core2 pentium-m pentium3 pentiumpro" ;;
+	    *3?6d?:*:*:*) ax_gcc_arch="broadwell core-avx2 core-avx-i corei7-avx corei7 core2 pentium-m pentium3 pentiumpro" ;;
+	    *1?6c?:*:*:*|*2?6[[67]]?:*:*:*|*3?6[[56]]?:*:*:*) ax_gcc_arch="bonnell atom core2 pentium-m pentium3 pentiumpro" ;;
+	    *3?67?:*:*:*|*[[45]]?6[[ad]]?:*:*:*) ax_gcc_arch="silvermont atom core2 pentium-m pentium3 pentiumpro" ;;
+	    *000?f[[012]]?:*:*:*|?f[[012]]?:*:*:*|f[[012]]?:*:*:*) ax_gcc_arch="pentium4 pentiumpro" ;;
+	    *000?f[[346]]?:*:*:*|?f[[346]]?:*:*:*|f[[346]]?:*:*:*) ax_gcc_arch="nocona prescott pentium4 pentiumpro" ;;
+	    # fallback
+	    *5??:*:*:*) ax_gcc_arch=pentium ;;
+	    *??6??:*:*:*) ax_gcc_arch="core2 pentiumpro" ;;
 	    *6??:*:*:*) ax_gcc_arch=pentiumpro ;;
-	    *f3[[347]]:*:*:*|*f4[1347]:*:*:*|*f6?:*:*:*)
-		case $host_cpu in
-	          x86_64*) ax_gcc_arch="nocona pentium4 pentiumpro" ;;
-	          *) ax_gcc_arch="prescott pentium4 pentiumpro" ;;
-	        esac ;;
-	    *f??:*:*:*) ax_gcc_arch="pentium4 pentiumpro";;
+	    *00??f??:*:*:*|??f??:*:*:*|?f??:*:*:*|f??:*:*:*) ax_gcc_arch="pentium4 pentiumpro" ;;
           esac ;;
-       *:68747541:*:*) # AMD
+       *:68747541:444d4163:69746e65) # AMD
           case $ax_cv_gcc_x86_cpuid_1 in
 	    *5[[67]]?:*:*:*) ax_gcc_arch=k6 ;;
-	    *5[[8d]]?:*:*:*) ax_gcc_arch="k6-2 k6" ;;
-	    *5[[9]]?:*:*:*) ax_gcc_arch="k6-3 k6" ;;
-	    *60?:*:*:*) ax_gcc_arch=k7 ;;
+	    *5[[8]]?:*:*:*) ax_gcc_arch="k6-2 k6" ;;
+	    *5[[9d]]?:*:*:*) ax_gcc_arch="k6-3 k6" ;;
 	    *6[[12]]?:*:*:*) ax_gcc_arch="athlon k7" ;;
 	    *6[[34]]?:*:*:*) ax_gcc_arch="athlon-tbird k7" ;;
-	    *67?:*:*:*) ax_gcc_arch="athlon-4 athlon k7" ;;
-	    *6[[68a]]?:*:*:*)
-	       AX_GCC_X86_CPUID(0x80000006) # L2 cache size
-	       case $ax_cv_gcc_x86_cpuid_0x80000006 in
-                 *:*:*[[1-9a-f]]??????:*) # (L2 = ecx >> 16) >= 256
-			ax_gcc_arch="athlon-xp athlon-4 athlon k7" ;;
-                 *) ax_gcc_arch="athlon-4 athlon k7" ;;
-	       esac ;;
-	    *5??f??:*:*:*) ax_gcc_arch="btver1 amdfam10 k8" ;;
-	    *6??f??:*:*:*) ax_gcc_arch="bdver1 amdfam10 k8" ;;
-	    *[[1-9a-f]]??f??:*:*:*) ax_gcc_arch="amdfam10 k8" ;;
-	    *f[[4cef8b]]?:*:*:*) ax_gcc_arch="athlon64 k8" ;;
-	    *f5?:*:*:*) ax_gcc_arch="opteron k8" ;;
-	    *f7?:*:*:*) ax_gcc_arch="athlon-fx opteron k8" ;;
-	    *f??:*:*:*) ax_gcc_arch="k8" ;;
+	    *6[[678a]]?:*:*:*) ax_gcc_arch="athlon-xp athlon-4 athlon k7" ;;
+	    *000?f[[4578bcef]]?:*:*:*|?f[[4578bcef]]?:*:*:*|f[[4578bcef]]?:*:*:*|*001?f[[4578bcf]]?:*:*:*|1?f[[4578bcf]]?:*:*:*) ax_gcc_arch="athlon64 k8" ;;
+	    *002?f[[13457bcf]]?:*:*:*|2?f[[13457bcf]]?:*:*:*|*004?f[[138bcf]]?:*:*:*|4?f[[138bcf]]?:*:*:*|*005?f[[df]]?:*:*:*|5?f[[df]]?:*:*:*|*006?f[[8bcf]]?:*:*:*|6?f[[8bcf]]?:*:*:*|*007?f[[cf]]?:*:*:*|7?f[[cf]]?:*:*:*|*00c?f1?:*:*:*|c?f1?:*:*:*|*020?f3?:*:*:*|20?f3?:*:*:*) ax_gcc_arch="athlon64-sse3 k8-sse3 athlon64 k8" ;;
+	    *010?f[[245689a]]?:*:*:*|10?f[[245689a]]?:*:*:*|*030?f1?:*:*:*|30?f1?:*:*:*) ax_gcc_arch="barcelona amdfam10 k8" ;;
+	    *050?f[[12]]?:*:*:*|50?f[[12]]?:*:*:*) ax_gcc_arch="btver1 amdfam10 k8" ;;
+	    *060?f1?:*:*:*|60?f1?:*:*:*) ax_gcc_arch="bdver1 amdfam10 k8" ;;
+	    *060?f2?:*:*:*|60?f2?:*:*:*|*061?f[[03]]?:*:*:*|61?f[[03]]?:*:*:*) ax_gcc_arch="bdver2 bdver1 amdfam10 k8" ;;
+	    *063?f0?:*:*:*|63?f0?:*:*:*) ax_gcc_arch="bdver3 bdver2 bdver1 amdfam10 k8" ;;
+	    *07[[03]]?f0?:*:*:*|7[[03]]?f0?:*:*:*) ax_gcc_arch="btver2 btver1 amdfam10 k8" ;;
+	    # fallback
+	    *0[[13]]??f??:*:*:*|[[13]]??f??:*:*:*) ax_gcc_arch="barcelona amdfam10 k8" ;;
+	    *020?f??:*:*:*|20?f??:*:*:*) ax_gcc_arch="athlon64-sse3 k8-sse3 athlon64 k8" ;;
+	    *05??f??:*:*:*|5??f??:*:*:*) ax_gcc_arch="btver1 amdfam10 k8" ;;
+	    *060?f??:*:*:*|60?f??:*:*:*) ax_gcc_arch="bdver1 amdfam10 k8" ;;
+	    *061?f??:*:*:*|61?f??:*:*:*) ax_gcc_arch="bdver2 bdver1 amdfam10 k8" ;;
+	    *06??f??:*:*:*|6??f??:*:*:*) ax_gcc_arch="bdver3 bdver2 bdver1 amdfam10 k8" ;;
+	    *070?f??:*:*:*|70?f??:*:*:*) ax_gcc_arch="btver2 btver1 amdfam10 k8" ;;
+	    *???f??:*:*:*) ax_gcc_arch="amdfam10 k8" ;;
           esac ;;
-	*:746e6543:*:*) # IDT
+	*:746e6543:736c7561:48727561) # IDT / VIA (Centaur)
 	   case $ax_cv_gcc_x86_cpuid_1 in
 	     *54?:*:*:*) ax_gcc_arch=winchip-c6 ;;
-	     *58?:*:*:*) ax_gcc_arch=winchip2 ;;
+	     *5[[89]]?:*:*:*) ax_gcc_arch=winchip2 ;;
+	     *66?:*:*:*) ax_gcc_arch=winchip2 ;;
 	     *6[[78]]?:*:*:*) ax_gcc_arch=c3 ;;
-	     *69?:*:*:*) ax_gcc_arch="c3-2 c3" ;;
+	     *6[[9adf]]?:*:*:*) ax_gcc_arch="c3-2 c3" ;;
 	   esac ;;
      esac
      if test x"$ax_gcc_arch" = x; then # fallback
@@ -198,17 +206,23 @@ fi # not cross-compiling
 fi # guess arch
 
 if test "x$ax_gcc_arch" != x -a "x$ax_gcc_arch" != xno; then
-for arch in $ax_gcc_arch; do
-  if test "x[]m4_default([$1],yes)" = xyes; then # if we require portable code
-    flags="-mtune=$arch"
-    # -mcpu=$arch and m$arch generate nonportable code on every arch except
-    # x86.  And some other arches (e.g. Alpha) don't accept -mtune.  Grrr.
-    case $host_cpu in i*86|x86_64*) flags="$flags -mcpu=$arch -m$arch";; esac
-  else
-    flags="-march=$arch -mcpu=$arch -m$arch"
-  fi
-  for flag in $flags; do
-    AX_CHECK_COMPILE_FLAG($flag, [ax_cv_gcc_archflag=$flag; break])
+if test "x[]m4_default([$1],yes)" = xyes; then # if we require portable code
+  flag_prefixes="-mtune="
+  if test "x$ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor" = xclang; then flag_prefixes="-march="; fi
+  # -mcpu=$arch and m$arch generate nonportable code on every arch except
+  # x86.  And some other arches (e.g. Alpha) don't accept -mtune.  Grrr.
+  case $host_cpu in i*86|x86_64*|amd64*) flag_prefixes="$flag_prefixes -mcpu= -m";; esac
+else
+  flag_prefixes="-march= -mcpu= -m"
+fi
+for flag_prefix in $flag_prefixes; do
+  for arch in $ax_gcc_arch; do
+    flag="$flag_prefix$arch"
+    AX_CHECK_COMPILE_FLAG($flag, [if test "x$ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor" = xclang; then
+      if test "x[]m4_default([$1],yes)" = xyes; then
+	if test "x$flag" = "x-march=$arch"; then flag=-mtune=$arch; fi
+      fi
+    fi; ax_cv_gcc_archflag=$flag; break])
   done
   test "x$ax_cv_gcc_archflag" = xunknown || break
 done
diff --git a/m4/pkg.m4 b/m4/pkg.m4
index a0b9cd45d..c5b26b52e 100644
--- a/m4/pkg.m4
+++ b/m4/pkg.m4
@@ -1,4 +1,5 @@
 # pkg.m4 - Macros to locate and utilise pkg-config.            -*- Autoconf -*-
+# serial 1 (pkg-config-0.24)
 # 
 # Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
 #
@@ -25,8 +26,12 @@
 # ----------------------------------
 AC_DEFUN([PKG_PROG_PKG_CONFIG],
 [m4_pattern_forbid([^_?PKG_[A-Z_]+$])
-m4_pattern_allow([^PKG_CONFIG(_PATH)?$])
-AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])dnl
+m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$])
+m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$])
+AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])
+AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path])
+AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path])
+
 if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
 	AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
 fi
@@ -39,7 +44,6 @@ if test -n "$PKG_CONFIG"; then
 		AC_MSG_RESULT([no])
 		PKG_CONFIG=""
 	fi
-		
 fi[]dnl
 ])# PKG_PROG_PKG_CONFIG
 
@@ -48,21 +52,20 @@ fi[]dnl
 # Check to see whether a particular set of modules exists.  Similar
 # to PKG_CHECK_MODULES(), but does not set variables or print errors.
 #
-#
-# Similar to PKG_CHECK_MODULES, make sure that the first instance of
-# this or PKG_CHECK_MODULES is called, or make sure to call
-# PKG_CHECK_EXISTS manually
+# Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
+# only at the first occurence in configure.ac, so if the first place
+# it's called might be skipped (such as if it is within an "if", you
+# have to call PKG_CHECK_EXISTS manually
 # --------------------------------------------------------------
 AC_DEFUN([PKG_CHECK_EXISTS],
 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
 if test -n "$PKG_CONFIG" && \
     AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
-  m4_ifval([$2], [$2], [:])
+  m4_default([$2], [:])
 m4_ifvaln([$3], [else
   $3])dnl
 fi])
 
-
 # _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
 # ---------------------------------------------
 m4_define([_PKG_CONFIG],
@@ -70,7 +73,8 @@ m4_define([_PKG_CONFIG],
     pkg_cv_[]$1="$$1"
  elif test -n "$PKG_CONFIG"; then
     PKG_CHECK_EXISTS([$3],
-                     [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`],
+                     [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes ],
 		     [pkg_failed=yes])
  else
     pkg_failed=untried
@@ -115,16 +119,17 @@ and $1[]_LIBS to avoid the need to call pkg-config.
 See the pkg-config man page for more details.])
 
 if test $pkg_failed = yes; then
+   	AC_MSG_RESULT([no])
         _PKG_SHORT_ERRORS_SUPPORTED
         if test $_pkg_short_errors_supported = yes; then
-	        $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "$2" 2>&1`
+	        $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1`
         else 
-	        $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors "$2" 2>&1`
+	        $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1`
         fi
 	# Put the nasty error message in config.log where it belongs
 	echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
 
-	ifelse([$4], , [AC_MSG_ERROR(dnl
+	m4_default([$4], [AC_MSG_ERROR(
 [Package requirements ($2) were not met:
 
 $$1_PKG_ERRORS
@@ -132,24 +137,78 @@ $$1_PKG_ERRORS
 Consider adjusting the PKG_CONFIG_PATH environment variable if you
 installed software in a non-standard prefix.
 
-_PKG_TEXT
-])],
-		[AC_MSG_RESULT([no])
-                $4])
+_PKG_TEXT])[]dnl
+        ])
 elif test $pkg_failed = untried; then
-	ifelse([$4], , [AC_MSG_FAILURE(dnl
+     	AC_MSG_RESULT([no])
+	m4_default([$4], [AC_MSG_FAILURE(
 [The pkg-config script could not be found or is too old.  Make sure it
 is in your PATH or set the PKG_CONFIG environment variable to the full
 path to pkg-config.
 
 _PKG_TEXT
 
-To get pkg-config, see <http://pkg-config.freedesktop.org/>.])],
-		[$4])
+To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl
+        ])
 else
 	$1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
 	$1[]_LIBS=$pkg_cv_[]$1[]_LIBS
         AC_MSG_RESULT([yes])
-	ifelse([$3], , :, [$3])
+	$3
 fi[]dnl
 ])# PKG_CHECK_MODULES
+
+
+# PKG_INSTALLDIR(DIRECTORY)
+# -------------------------
+# Substitutes the variable pkgconfigdir as the location where a module
+# should install pkg-config .pc files. By default the directory is
+# $libdir/pkgconfig, but the default can be changed by passing
+# DIRECTORY. The user can override through the --with-pkgconfigdir
+# parameter.
+AC_DEFUN([PKG_INSTALLDIR],
+[m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])])
+m4_pushdef([pkg_description],
+    [pkg-config installation directory @<:@]pkg_default[@:>@])
+AC_ARG_WITH([pkgconfigdir],
+    [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],,
+    [with_pkgconfigdir=]pkg_default)
+AC_SUBST([pkgconfigdir], [$with_pkgconfigdir])
+m4_popdef([pkg_default])
+m4_popdef([pkg_description])
+]) dnl PKG_INSTALLDIR
+
+
+# PKG_NOARCH_INSTALLDIR(DIRECTORY)
+# -------------------------
+# Substitutes the variable noarch_pkgconfigdir as the location where a
+# module should install arch-independent pkg-config .pc files. By
+# default the directory is $datadir/pkgconfig, but the default can be
+# changed by passing DIRECTORY. The user can override through the
+# --with-noarch-pkgconfigdir parameter.
+AC_DEFUN([PKG_NOARCH_INSTALLDIR],
+[m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])])
+m4_pushdef([pkg_description],
+    [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@])
+AC_ARG_WITH([noarch-pkgconfigdir],
+    [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],,
+    [with_noarch_pkgconfigdir=]pkg_default)
+AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir])
+m4_popdef([pkg_default])
+m4_popdef([pkg_description])
+]) dnl PKG_NOARCH_INSTALLDIR
+
+
+# PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE,
+# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+# -------------------------------------------
+# Retrieves the value of the pkg-config variable for the given module.
+AC_DEFUN([PKG_CHECK_VAR],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
+AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl
+
+_PKG_CONFIG([$1], [variable="][$3]["], [$2])
+AS_VAR_COPY([$1], [pkg_cv_][$1])
+
+AS_VAR_IF([$1], [""], [$5], [$4])dnl
+])# PKG_CHECK_VAR