#
# SYNOPSIS
#
-# AX_CFLAGS_WARN_ALL [(shellvar [,default, [A/NA]])]
+# AX_CFLAGS_WARN_ALL [(shellvar [,default, [A/NA]])]
+# AX_CXXFLAGS_WARN_ALL [(shellvar [,default, [A/NA]])]
+# AX_FCFLAGS_WARN_ALL [(shellvar [,default, [A/NA]])]
#
# DESCRIPTION
#
# Try to find a compiler option that enables most reasonable warnings.
#
-# For the GNU CC compiler it will be -Wall (and -ansi -pedantic) The
-# result is added to the shellvar being CFLAGS by default.
+# For the GNU compiler it will be -Wall (and -ansi -pedantic) The result
+# is added to the shellvar being CFLAGS, CXXFLAGS, or FCFLAGS by default.
#
-# Currently this macro knows about GCC, Solaris C compiler, Digital Unix C
-# compiler, C for AIX Compiler, HP-UX C compiler, IRIX C compiler, NEC
-# SX-5 (Super-UX 10) C compiler, and Cray J90 (Unicos 10.0.0.8) C
-# compiler.
+# Currently this macro knows about the GCC, Solaris, Digital Unix, AIX,
+# HP-UX, IRIX, NEC SX-5 (Super-UX 10), Cray J90 (Unicos 10.0.0.8), and
+# Intel compilers. For a given compiler, the Fortran flags are much more
+# experimental than their C equivalents.
#
-# - $1 shell-variable-to-add-to : CFLAGS
+# - $1 shell-variable-to-add-to : CFLAGS, CXXFLAGS, or FCFLAGS
# - $2 add-value-if-not-found : nothing
# - $3 action-if-found : add value to shellvariable
# - $4 action-if-not-found : nothing
# LICENSE
#
# Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de>
+# Copyright (c) 2010 Rhys Ulerich <rhys.ulerich@gmail.com>
#
# 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
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
-#serial 8
+#serial 9
AC_DEFUN([AX_CFLAGS_WARN_ALL],[dnl
AS_VAR_PUSHDEF([FLAGS],[CFLAGS])dnl
AS_VAR_PUSHDEF([VAR],[ac_cv_cflags_warn_all])dnl
AC_CACHE_CHECK([m4_ifval($1,$1,FLAGS) for maximum warnings],
VAR,[VAR="no, unknown"
- AC_LANG_SAVE
- AC_LANG_C
+ AC_LANG_PUSH([C])
ac_save_[]FLAGS="$[]FLAGS"
for ac_arg dnl
in "-pedantic % -Wall" dnl GCC
"-h conform % -h msglevel 2" dnl Cray C (Unicos)
#
do FLAGS="$ac_save_[]FLAGS "`echo $ac_arg | sed -e 's,%%.*,,' -e 's,%,,'`
- AC_TRY_COMPILE([],[return 0;],
- [VAR=`echo $ac_arg | sed -e 's,.*% *,,'` ; break])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM],
+ [VAR=`echo $ac_arg | sed -e 's,.*% *,,'` ; break])
done
FLAGS="$ac_save_[]FLAGS"
- AC_LANG_RESTORE
+ AC_LANG_POP([C])
])
case ".$VAR" in
.ok|.ok,*) m4_ifvaln($3,$3) ;;
AS_VAR_PUSHDEF([VAR],[ax_cv_cxxflags_warn_all])dnl
AC_CACHE_CHECK([m4_ifval($1,$1,FLAGS) for maximum warnings],
VAR,[VAR="no, unknown"
- AC_LANG_SAVE
- AC_LANG_CPLUSPLUS
+ AC_LANG_PUSH([C++])
ac_save_[]FLAGS="$[]FLAGS"
for ac_arg dnl
in "-pedantic % -Wall" dnl GCC
"-h conform % -h msglevel 2" dnl Cray C (Unicos)
#
do FLAGS="$ac_save_[]FLAGS "`echo $ac_arg | sed -e 's,%%.*,,' -e 's,%,,'`
- AC_TRY_COMPILE([],[return 0;],
- [VAR=`echo $ac_arg | sed -e 's,.*% *,,'` ; break])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM],
+ [VAR=`echo $ac_arg | sed -e 's,.*% *,,'` ; break])
done
FLAGS="$ac_save_[]FLAGS"
- AC_LANG_RESTORE
+ AC_LANG_POP([C++])
+])
+case ".$VAR" in
+ .ok|.ok,*) m4_ifvaln($3,$3) ;;
+ .|.no|.no,*) m4_ifvaln($4,$4,[m4_ifval($2,[
+ AC_RUN_LOG([: m4_ifval($1,$1,FLAGS)="$m4_ifval($1,$1,FLAGS) $2"])
+ m4_ifval($1,$1,FLAGS)="$m4_ifval($1,$1,FLAGS) $2"])]) ;;
+ *) m4_ifvaln($3,$3,[
+ if echo " $[]m4_ifval($1,$1,FLAGS) " | grep " $VAR " 2>&1 >/dev/null
+ then AC_RUN_LOG([: m4_ifval($1,$1,FLAGS) does contain $VAR])
+ else AC_RUN_LOG([: m4_ifval($1,$1,FLAGS)="$m4_ifval($1,$1,FLAGS) $VAR"])
+ m4_ifval($1,$1,FLAGS)="$m4_ifval($1,$1,FLAGS) $VAR"
+ fi ]) ;;
+esac
+AS_VAR_POPDEF([VAR])dnl
+AS_VAR_POPDEF([FLAGS])dnl
+])
+
+dnl the only difference - the LANG selection... and the default FLAGS
+
+AC_DEFUN([AX_FCFLAGS_WARN_ALL],[dnl
+AS_VAR_PUSHDEF([FLAGS],[FCFLAGS])dnl
+AS_VAR_PUSHDEF([VAR],[ax_cv_fcflags_warn_all])dnl
+AC_CACHE_CHECK([m4_ifval($1,$1,FLAGS) for maximum warnings],
+VAR,[VAR="no, unknown"
+ AC_LANG_PUSH([Fortran])
+ ac_save_[]FLAGS="$[]FLAGS"
+for ac_arg dnl
+in "-warn all % -warn all" dnl Intel
+ "-pedantic % -Wall" dnl GCC
+ "-xstrconst % -v" dnl Solaris C
+ "-std1 % -verbose -w0 -warnprotos" dnl Digital Unix
+ "-qlanglvl=ansi % -qsrcmsg -qinfo=all:noppt:noppc:noobs:nocnd" dnl AIX
+ "-ansi -ansiE % -fullwarn" dnl IRIX
+ "+ESlit % +w1" dnl HP-UX C
+ "-Xc % -pvctl[,]fullmsg" dnl NEC SX-5 (Super-UX 10)
+ "-h conform % -h msglevel 2" dnl Cray C (Unicos)
+ #
+do FLAGS="$ac_save_[]FLAGS "`echo $ac_arg | sed -e 's,%%.*,,' -e 's,%,,'`
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM],
+ [VAR=`echo $ac_arg | sed -e 's,.*% *,,'` ; break])
+done
+ FLAGS="$ac_save_[]FLAGS"
+ AC_LANG_POP([Fortran])
])
case ".$VAR" in
.ok|.ok,*) m4_ifvaln($3,$3) ;;
dnl compilers will give false positives for some option-syntax
dnl like -Woption or -Xoption as they think of it is a pass-through
dnl to later compile stages or something. The "%" is used as a
-dnl delimimiter. A non-option comment can be given after "%%" marks
+dnl delimiter. A non-option comment can be given after "%%" marks
dnl which will be shown but not added to the respective C/CXXFLAGS.
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
-#serial 9
+#serial 10
AC_DEFUN([AX_PREFIX_CONFIG_H],[dnl
+AC_PREREQ([2.62])
AC_BEFORE([AC_CONFIG_HEADERS],[$0])dnl
AC_CONFIG_COMMANDS([ifelse($1,,$PACKAGE-config.h,$1)],[dnl
AS_VAR_PUSHDEF([_OUT],[ac_prefix_conf_OUT])dnl
fi fi
AC_MSG_NOTICE(creating $_OUT - prefix $_UPP for $_INP defines)
if test -f $_INP ; then
- echo "s/^@%:@undef *\\(@<:@m4_cr_LETTERS[]_@:>@\\)/@%:@undef $_UPP""_\\1/" > _script
- echo "s/^@%:@undef *\\(@<:@m4_cr_letters@:>@\\)/@%:@undef $_LOW""_\\1/" >> _script
- echo "s/^@%:@def[]ine *\\(@<:@m4_cr_LETTERS[]_@:>@@<:@_symbol@:>@*\\)\\(.*\\)/@%:@ifndef $_UPP""_\\1\\" >> _script
- echo "@%:@def[]ine $_UPP""_\\1\\2\\" >> _script
- echo "@%:@endif/" >>_script
- echo "s/^@%:@def[]ine *\\(@<:@m4_cr_letters@:>@@<:@_symbol@:>@*\\)\\(.*\\)/@%:@ifndef $_LOW""_\\1\\" >> _script
- echo "@%:@define $_LOW""_\\1\\2\\" >> _script
- echo "@%:@endif/" >> _script
+ AS_ECHO(["s/^@%:@undef *\\(@<:@m4_cr_LETTERS[]_@:>@\\)/@%:@undef $_UPP""_\\1/"]) > _script
+ AS_ECHO(["s/^@%:@undef *\\(@<:@m4_cr_letters@:>@\\)/@%:@undef $_LOW""_\\1/"]) >> _script
+ AS_ECHO(["s/^@%:@def[]ine *\\(@<:@m4_cr_LETTERS[]_@:>@@<:@_symbol@:>@*\\)\\(.*\\)/@%:@ifndef $_UPP""_\\1\\"]) >> _script
+ AS_ECHO(["@%:@def[]ine $_UPP""_\\1\\2\\"]) >> _script
+ AS_ECHO(["@%:@endif/"]) >> _script
+ AS_ECHO(["s/^@%:@def[]ine *\\(@<:@m4_cr_letters@:>@@<:@_symbol@:>@*\\)\\(.*\\)/@%:@ifndef $_LOW""_\\1\\"]) >> _script
+ AS_ECHO(["@%:@define $_LOW""_\\1\\2\\"]) >> _script
+ AS_ECHO(["@%:@endif/"]) >> _script
# now executing _script on _DEF input to create _OUT output file
echo "@%:@ifndef $_DEF" >$tmp/pconfig.h
echo "@%:@def[]ine $_DEF 1" >>$tmp/pconfig.h
AS_VAR_POPDEF([_DEF])dnl
AS_VAR_POPDEF([_OUT])dnl
],[PACKAGE="$PACKAGE"])])
-
-dnl implementation note: a bug report (31.5.2005) from Marten Svantesson points
-dnl out a problem where `echo "\1"` results in a Control-A. The unix standard
-dnl http://www.opengroup.org/onlinepubs/000095399/utilities/echo.html
-dnl defines all backslash-sequences to be inherently non-portable asking
-dnl for replacement mit printf. Some old systems had problems with that
-dnl one either. However, the latest libtool (!) release does export an $ECHO
-dnl (and $echo) that does the right thing - just one question is left: what
-dnl was the first version to have it? Is it greater 2.58 ?
projects / imagemagick / commitdiff