CPP
CFLAGS_VECTOR
SUN_STUDIO_CC
+ac_ct_CXX
+CXXFLAGS
+CXX
OBJEXT
EXEEXT
ac_ct_CC
LDFLAGS
LIBS
CPPFLAGS
+CXX
+CXXFLAGS
+CCC
CPP
PKG_CONFIG
PKG_CONFIG_PATH
LIBS libraries to pass to the linker, e.g. -l<library>
CPPFLAGS (Objective) C/C++ preprocessor flags, e.g. -I<include dir> if
you have headers in a nonstandard directory <include dir>
+ CXX C++ compiler command
+ CXXFLAGS C++ compiler flags
CPP C preprocessor
PKG_CONFIG path to pkg-config utility
PKG_CONFIG_PATH
} # ac_fn_c_try_compile
+# ac_fn_cxx_try_compile LINENO
+# ----------------------------
+# Try to compile conftest.$ac_ext, and return whether this succeeded.
+ac_fn_cxx_try_compile ()
+{
+ as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+ rm -f conftest.$ac_objext
+ if { { ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+ (eval "$ac_compile") 2>conftest.err
+ ac_status=$?
+ if test -s conftest.err; then
+ grep -v '^ *+' conftest.err >conftest.er1
+ cat conftest.er1 >&5
+ mv -f conftest.er1 conftest.err
+ fi
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; } && {
+ test -z "$ac_cxx_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then :
+ ac_retval=0
+else
+ $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_retval=1
+fi
+ eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+ as_fn_set_status $ac_retval
+
+} # ac_fn_cxx_try_compile
+
# ac_fn_c_try_link LINENO
# -----------------------
# Try to link conftest.$ac_ext, and return whether this succeeded.
case $template in
- aix) pgac_cc_list="gcc xlc";;
- *) pgac_cc_list="gcc cc";;
+ aix) pgac_cc_list="gcc xlc"; pgac_cxx_list="g++ xlC";;
+ *) pgac_cc_list="gcc cc"; pgac_cxx_list="g++ c++";;
esac
ac_ext=c
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu
+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
+if test -z "$CXX"; then
+ if test -n "$CCC"; then
+ CXX=$CCC
+ else
+ if test -n "$ac_tool_prefix"; then
+ for ac_prog in $pgac_cxx_list
+ do
+ # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_CXX+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$CXX"; then
+ ac_cv_prog_CXX="$CXX" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_CXX="$ac_tool_prefix$ac_prog"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+CXX=$ac_cv_prog_CXX
+if test -n "$CXX"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CXX" >&5
+$as_echo "$CXX" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+ test -n "$CXX" && break
+ done
+fi
+if test -z "$CXX"; then
+ ac_ct_CXX=$CXX
+ for ac_prog in $pgac_cxx_list
+do
+ # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_CXX+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$ac_ct_CXX"; then
+ ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_ac_ct_CXX="$ac_prog"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CXX=$ac_cv_prog_ac_ct_CXX
+if test -n "$ac_ct_CXX"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CXX" >&5
+$as_echo "$ac_ct_CXX" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+ test -n "$ac_ct_CXX" && break
+done
+
+ if test "x$ac_ct_CXX" = x; then
+ CXX="g++"
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+ CXX=$ac_ct_CXX
+ fi
+fi
+
+ fi
+fi
+# Provide some information about the compiler.
+$as_echo "$as_me:${as_lineno-$LINENO}: checking for C++ compiler version" >&5
+set X $ac_compile
+ac_compiler=$2
+for ac_option in --version -v -V -qversion; do
+ { { ac_try="$ac_compiler $ac_option >&5"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+ (eval "$ac_compiler $ac_option >&5") 2>conftest.err
+ ac_status=$?
+ if test -s conftest.err; then
+ sed '10a\
+... rest of stderr output deleted ...
+ 10q' conftest.err >conftest.er1
+ cat conftest.er1 >&5
+ fi
+ rm -f conftest.er1 conftest.err
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }
+done
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C++ compiler" >&5
+$as_echo_n "checking whether we are using the GNU C++ compiler... " >&6; }
+if ${ac_cv_cxx_compiler_gnu+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+#ifndef __GNUC__
+ choke me
+#endif
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ ac_compiler_gnu=yes
+else
+ ac_compiler_gnu=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ac_cv_cxx_compiler_gnu=$ac_compiler_gnu
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_compiler_gnu" >&5
+$as_echo "$ac_cv_cxx_compiler_gnu" >&6; }
+if test $ac_compiler_gnu = yes; then
+ GXX=yes
+else
+ GXX=
+fi
+ac_test_CXXFLAGS=${CXXFLAGS+set}
+ac_save_CXXFLAGS=$CXXFLAGS
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX accepts -g" >&5
+$as_echo_n "checking whether $CXX accepts -g... " >&6; }
+if ${ac_cv_prog_cxx_g+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_save_cxx_werror_flag=$ac_cxx_werror_flag
+ ac_cxx_werror_flag=yes
+ ac_cv_prog_cxx_g=no
+ CXXFLAGS="-g"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ ac_cv_prog_cxx_g=yes
+else
+ CXXFLAGS=""
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+
+else
+ ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+ CXXFLAGS="-g"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ ac_cv_prog_cxx_g=yes
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_g" >&5
+$as_echo "$ac_cv_prog_cxx_g" >&6; }
+if test "$ac_test_CXXFLAGS" = set; then
+ CXXFLAGS=$ac_save_CXXFLAGS
+elif test $ac_cv_prog_cxx_g = yes; then
+ if test "$GXX" = yes; then
+ CXXFLAGS="-g -O2"
+ else
+ CXXFLAGS="-g"
+ fi
+else
+ if test "$GXX" = yes; then
+ CXXFLAGS="-O2"
+ else
+ CXXFLAGS=
+ fi
+fi
+ac_ext=c
+ac_cpp='$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
+
# Check if it's Intel's compiler, which (usually) pretends to be gcc,
# but has idiosyncrasies of its own. We assume icc will define
#
. "$srcdir/src/template/$template" || exit
-# CFLAGS are selected so:
+# C[XX]FLAGS are selected so:
# If the user specifies something in the environment, that is used.
# else: If the template file set something, that is used.
# else: If coverage was enabled, don't set anything.
fi
fi
-# CFLAGS we determined above will be added back at the end
+if test "$ac_env_CXXFLAGS_set" = set; then
+ CXXFLAGS=$ac_env_CXXFLAGS_value
+elif test "${CXXFLAGS+set}" = set; then
+ : # (keep what template set)
+elif test "$enable_coverage" = yes; then
+ : # no optimization by default
+elif test "$GCC" = yes; then
+ CXXFLAGS="-O2"
+else
+ # if the user selected debug mode, don't use -O
+ if test "$enable_debug" != yes; then
+ CXXFLAGS="-O"
+ fi
+fi
+
+# C[XX]FLAGS we determined above will be added back at the end
user_CFLAGS=$CFLAGS
CFLAGS=""
+user_CXXFLAGS=$CXXFLAGS
+CXXFLAGS=""
# set CFLAGS_VECTOR from the environment, if available
if test "$ac_env_CFLAGS_VECTOR_set" = set; then
if test "$GCC" = yes -a "$ICC" = no; then
CFLAGS="-Wall -Wmissing-prototypes -Wpointer-arith"
+ CXXFLAGS="-Wall -Wpointer-arith"
# These work in some but not all gcc versions
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CC} supports -Wdeclaration-after-statement, for CFLAGS" >&5
fi
+ # -Wdeclaration-after-statement isn't applicable for C++
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CC} supports -Wendif-labels, for CFLAGS" >&5
$as_echo_n "checking whether ${CC} supports -Wendif-labels, for CFLAGS... " >&6; }
fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CXX} supports -Wendif-labels, for CXXFLAGS" >&5
+$as_echo_n "checking whether ${CXX} supports -Wendif-labels, for CXXFLAGS... " >&6; }
+if ${pgac_cv_prog_CXX_cxxflags__Wendif_labels+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ pgac_save_CXXFLAGS=$CXXFLAGS
+pgac_save_CXX=$CXX
+CXX=${CXX}
+CXXFLAGS="${CXXFLAGS} -Wendif-labels"
+ac_save_cxx_werror_flag=$ac_cxx_werror_flag
+ac_cxx_werror_flag=yes
+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.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ pgac_cv_prog_CXX_cxxflags__Wendif_labels=yes
+else
+ pgac_cv_prog_CXX_cxxflags__Wendif_labels=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+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
+
+ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+CXXFLAGS="$pgac_save_CXXFLAGS"
+CXX="$pgac_save_CXX"
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_prog_CXX_cxxflags__Wendif_labels" >&5
+$as_echo "$pgac_cv_prog_CXX_cxxflags__Wendif_labels" >&6; }
+if test x"$pgac_cv_prog_CXX_cxxflags__Wendif_labels" = x"yes"; then
+ CXXFLAGS="${CXXFLAGS} -Wendif-labels"
+fi
+
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CC} supports -Wmissing-format-attribute, for CFLAGS" >&5
$as_echo_n "checking whether ${CC} supports -Wmissing-format-attribute, for CFLAGS... " >&6; }
fi
- # This was included in -Wall/-Wformat in older GCC versions
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CXX} supports -Wmissing-format-attribute, for CXXFLAGS" >&5
+$as_echo_n "checking whether ${CXX} supports -Wmissing-format-attribute, for CXXFLAGS... " >&6; }
+if ${pgac_cv_prog_CXX_cxxflags__Wmissing_format_attribute+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ pgac_save_CXXFLAGS=$CXXFLAGS
+pgac_save_CXX=$CXX
+CXX=${CXX}
+CXXFLAGS="${CXXFLAGS} -Wmissing-format-attribute"
+ac_save_cxx_werror_flag=$ac_cxx_werror_flag
+ac_cxx_werror_flag=yes
+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.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ pgac_cv_prog_CXX_cxxflags__Wmissing_format_attribute=yes
+else
+ pgac_cv_prog_CXX_cxxflags__Wmissing_format_attribute=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+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
+
+ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+CXXFLAGS="$pgac_save_CXXFLAGS"
+CXX="$pgac_save_CXX"
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_prog_CXX_cxxflags__Wmissing_format_attribute" >&5
+$as_echo "$pgac_cv_prog_CXX_cxxflags__Wmissing_format_attribute" >&6; }
+if test x"$pgac_cv_prog_CXX_cxxflags__Wmissing_format_attribute" = x"yes"; then
+ CXXFLAGS="${CXXFLAGS} -Wmissing-format-attribute"
+fi
+
+
+ # This was included in -Wall/-Wformat in older GCC versions
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CC} supports -Wformat-security, for CFLAGS" >&5
$as_echo_n "checking whether ${CC} supports -Wformat-security, for CFLAGS... " >&6; }
fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CXX} supports -Wformat-security, for CXXFLAGS" >&5
+$as_echo_n "checking whether ${CXX} supports -Wformat-security, for CXXFLAGS... " >&6; }
+if ${pgac_cv_prog_CXX_cxxflags__Wformat_security+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ pgac_save_CXXFLAGS=$CXXFLAGS
+pgac_save_CXX=$CXX
+CXX=${CXX}
+CXXFLAGS="${CXXFLAGS} -Wformat-security"
+ac_save_cxx_werror_flag=$ac_cxx_werror_flag
+ac_cxx_werror_flag=yes
+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.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ pgac_cv_prog_CXX_cxxflags__Wformat_security=yes
+else
+ pgac_cv_prog_CXX_cxxflags__Wformat_security=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+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
+
+ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+CXXFLAGS="$pgac_save_CXXFLAGS"
+CXX="$pgac_save_CXX"
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_prog_CXX_cxxflags__Wformat_security" >&5
+$as_echo "$pgac_cv_prog_CXX_cxxflags__Wformat_security" >&6; }
+if test x"$pgac_cv_prog_CXX_cxxflags__Wformat_security" = x"yes"; then
+ CXXFLAGS="${CXXFLAGS} -Wformat-security"
+fi
+
+
# Disable strict-aliasing rules; needed for gcc 3.3+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CC} supports -fno-strict-aliasing, for CFLAGS" >&5
fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CXX} supports -fno-strict-aliasing, for CXXFLAGS" >&5
+$as_echo_n "checking whether ${CXX} supports -fno-strict-aliasing, for CXXFLAGS... " >&6; }
+if ${pgac_cv_prog_CXX_cxxflags__fno_strict_aliasing+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ pgac_save_CXXFLAGS=$CXXFLAGS
+pgac_save_CXX=$CXX
+CXX=${CXX}
+CXXFLAGS="${CXXFLAGS} -fno-strict-aliasing"
+ac_save_cxx_werror_flag=$ac_cxx_werror_flag
+ac_cxx_werror_flag=yes
+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.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ pgac_cv_prog_CXX_cxxflags__fno_strict_aliasing=yes
+else
+ pgac_cv_prog_CXX_cxxflags__fno_strict_aliasing=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+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
+
+ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+CXXFLAGS="$pgac_save_CXXFLAGS"
+CXX="$pgac_save_CXX"
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_prog_CXX_cxxflags__fno_strict_aliasing" >&5
+$as_echo "$pgac_cv_prog_CXX_cxxflags__fno_strict_aliasing" >&6; }
+if test x"$pgac_cv_prog_CXX_cxxflags__fno_strict_aliasing" = x"yes"; then
+ CXXFLAGS="${CXXFLAGS} -fno-strict-aliasing"
+fi
+
+
# Disable optimizations that assume no overflow; needed for gcc 4.3+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CC} supports -fwrapv, for CFLAGS" >&5
fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CXX} supports -fwrapv, for CXXFLAGS" >&5
+$as_echo_n "checking whether ${CXX} supports -fwrapv, for CXXFLAGS... " >&6; }
+if ${pgac_cv_prog_CXX_cxxflags__fwrapv+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ pgac_save_CXXFLAGS=$CXXFLAGS
+pgac_save_CXX=$CXX
+CXX=${CXX}
+CXXFLAGS="${CXXFLAGS} -fwrapv"
+ac_save_cxx_werror_flag=$ac_cxx_werror_flag
+ac_cxx_werror_flag=yes
+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.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ pgac_cv_prog_CXX_cxxflags__fwrapv=yes
+else
+ pgac_cv_prog_CXX_cxxflags__fwrapv=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+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
+
+ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+CXXFLAGS="$pgac_save_CXXFLAGS"
+CXX="$pgac_save_CXX"
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_prog_CXX_cxxflags__fwrapv" >&5
+$as_echo "$pgac_cv_prog_CXX_cxxflags__fwrapv" >&6; }
+if test x"$pgac_cv_prog_CXX_cxxflags__fwrapv" = x"yes"; then
+ CXXFLAGS="${CXXFLAGS} -fwrapv"
+fi
+
+
# Disable FP optimizations that cause various errors on gcc 4.5+ or maybe 4.6+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CC} supports -fexcess-precision=standard, for CFLAGS" >&5
fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CXX} supports -fexcess-precision=standard, for CXXFLAGS" >&5
+$as_echo_n "checking whether ${CXX} supports -fexcess-precision=standard, for CXXFLAGS... " >&6; }
+if ${pgac_cv_prog_CXX_cxxflags__fexcess_precision_standard+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ pgac_save_CXXFLAGS=$CXXFLAGS
+pgac_save_CXX=$CXX
+CXX=${CXX}
+CXXFLAGS="${CXXFLAGS} -fexcess-precision=standard"
+ac_save_cxx_werror_flag=$ac_cxx_werror_flag
+ac_cxx_werror_flag=yes
+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.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ pgac_cv_prog_CXX_cxxflags__fexcess_precision_standard=yes
+else
+ pgac_cv_prog_CXX_cxxflags__fexcess_precision_standard=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+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
+
+ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+CXXFLAGS="$pgac_save_CXXFLAGS"
+CXX="$pgac_save_CXX"
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_prog_CXX_cxxflags__fexcess_precision_standard" >&5
+$as_echo "$pgac_cv_prog_CXX_cxxflags__fexcess_precision_standard" >&6; }
+if test x"$pgac_cv_prog_CXX_cxxflags__fexcess_precision_standard" = x"yes"; then
+ CXXFLAGS="${CXXFLAGS} -fexcess-precision=standard"
+fi
+
+
# Optimization flags for specific files that benefit from vectorization
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CC} supports -funroll-loops, for CFLAGS_VECTOR" >&5
$as_echo_n "checking whether ${CC} supports -funroll-loops, for CFLAGS_VECTOR... " >&6; }
fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CXX} supports -mp1, for CXXFLAGS" >&5
+$as_echo_n "checking whether ${CXX} supports -mp1, for CXXFLAGS... " >&6; }
+if ${pgac_cv_prog_CXX_cxxflags__mp1+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ pgac_save_CXXFLAGS=$CXXFLAGS
+pgac_save_CXX=$CXX
+CXX=${CXX}
+CXXFLAGS="${CXXFLAGS} -mp1"
+ac_save_cxx_werror_flag=$ac_cxx_werror_flag
+ac_cxx_werror_flag=yes
+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.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ pgac_cv_prog_CXX_cxxflags__mp1=yes
+else
+ pgac_cv_prog_CXX_cxxflags__mp1=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+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
+
+ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+CXXFLAGS="$pgac_save_CXXFLAGS"
+CXX="$pgac_save_CXX"
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_prog_CXX_cxxflags__mp1" >&5
+$as_echo "$pgac_cv_prog_CXX_cxxflags__mp1" >&6; }
+if test x"$pgac_cv_prog_CXX_cxxflags__mp1" = x"yes"; then
+ CXXFLAGS="${CXXFLAGS} -mp1"
+fi
+
+
# Make sure strict aliasing is off (though this is said to be the default)
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CC} supports -fno-strict-aliasing, for CFLAGS" >&5
fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CXX} supports -fno-strict-aliasing, for CXXFLAGS" >&5
+$as_echo_n "checking whether ${CXX} supports -fno-strict-aliasing, for CXXFLAGS... " >&6; }
+if ${pgac_cv_prog_CXX_cxxflags__fno_strict_aliasing+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ pgac_save_CXXFLAGS=$CXXFLAGS
+pgac_save_CXX=$CXX
+CXX=${CXX}
+CXXFLAGS="${CXXFLAGS} -fno-strict-aliasing"
+ac_save_cxx_werror_flag=$ac_cxx_werror_flag
+ac_cxx_werror_flag=yes
+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.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ pgac_cv_prog_CXX_cxxflags__fno_strict_aliasing=yes
+else
+ pgac_cv_prog_CXX_cxxflags__fno_strict_aliasing=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+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
+
+ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+CXXFLAGS="$pgac_save_CXXFLAGS"
+CXX="$pgac_save_CXX"
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_prog_CXX_cxxflags__fno_strict_aliasing" >&5
+$as_echo "$pgac_cv_prog_CXX_cxxflags__fno_strict_aliasing" >&6; }
+if test x"$pgac_cv_prog_CXX_cxxflags__fno_strict_aliasing" = x"yes"; then
+ CXXFLAGS="${CXXFLAGS} -fno-strict-aliasing"
+fi
+
+
elif test "$PORTNAME" = "aix"; then
# AIX's xlc has to have strict aliasing turned off too
fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CXX} supports -qnoansialias, for CXXFLAGS" >&5
+$as_echo_n "checking whether ${CXX} supports -qnoansialias, for CXXFLAGS... " >&6; }
+if ${pgac_cv_prog_CXX_cxxflags__qnoansialias+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ pgac_save_CXXFLAGS=$CXXFLAGS
+pgac_save_CXX=$CXX
+CXX=${CXX}
+CXXFLAGS="${CXXFLAGS} -qnoansialias"
+ac_save_cxx_werror_flag=$ac_cxx_werror_flag
+ac_cxx_werror_flag=yes
+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.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ pgac_cv_prog_CXX_cxxflags__qnoansialias=yes
+else
+ pgac_cv_prog_CXX_cxxflags__qnoansialias=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+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
+
+ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+CXXFLAGS="$pgac_save_CXXFLAGS"
+CXX="$pgac_save_CXX"
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_prog_CXX_cxxflags__qnoansialias" >&5
+$as_echo "$pgac_cv_prog_CXX_cxxflags__qnoansialias" >&6; }
+if test x"$pgac_cv_prog_CXX_cxxflags__qnoansialias" = x"yes"; then
+ CXXFLAGS="${CXXFLAGS} -qnoansialias"
+fi
+
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CC} supports -qlonglong, for CFLAGS" >&5
$as_echo_n "checking whether ${CC} supports -qlonglong, for CFLAGS... " >&6; }
fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CXX} supports -qlonglong, for CXXFLAGS" >&5
+$as_echo_n "checking whether ${CXX} supports -qlonglong, for CXXFLAGS... " >&6; }
+if ${pgac_cv_prog_CXX_cxxflags__qlonglong+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ pgac_save_CXXFLAGS=$CXXFLAGS
+pgac_save_CXX=$CXX
+CXX=${CXX}
+CXXFLAGS="${CXXFLAGS} -qlonglong"
+ac_save_cxx_werror_flag=$ac_cxx_werror_flag
+ac_cxx_werror_flag=yes
+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.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ pgac_cv_prog_CXX_cxxflags__qlonglong=yes
+else
+ pgac_cv_prog_CXX_cxxflags__qlonglong=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+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
+
+ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+CXXFLAGS="$pgac_save_CXXFLAGS"
+CXX="$pgac_save_CXX"
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_prog_CXX_cxxflags__qlonglong" >&5
+$as_echo "$pgac_cv_prog_CXX_cxxflags__qlonglong" >&6; }
+if test x"$pgac_cv_prog_CXX_cxxflags__qlonglong" = x"yes"; then
+ CXXFLAGS="${CXXFLAGS} -qlonglong"
+fi
+
+
elif test "$PORTNAME" = "hpux"; then
# On some versions of HP-UX, libm functions do not set errno by default.
# Fix that by using +Olibmerrno if the compiler recognizes it.
fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CXX} supports +Olibmerrno, for CXXFLAGS" >&5
+$as_echo_n "checking whether ${CXX} supports +Olibmerrno, for CXXFLAGS... " >&6; }
+if ${pgac_cv_prog_CXX_cxxflags_pOlibmerrno+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ pgac_save_CXXFLAGS=$CXXFLAGS
+pgac_save_CXX=$CXX
+CXX=${CXX}
+CXXFLAGS="${CXXFLAGS} +Olibmerrno"
+ac_save_cxx_werror_flag=$ac_cxx_werror_flag
+ac_cxx_werror_flag=yes
+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.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ pgac_cv_prog_CXX_cxxflags_pOlibmerrno=yes
+else
+ pgac_cv_prog_CXX_cxxflags_pOlibmerrno=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+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
+
+ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+CXXFLAGS="$pgac_save_CXXFLAGS"
+CXX="$pgac_save_CXX"
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_prog_CXX_cxxflags_pOlibmerrno" >&5
+$as_echo "$pgac_cv_prog_CXX_cxxflags_pOlibmerrno" >&6; }
+if test x"$pgac_cv_prog_CXX_cxxflags_pOlibmerrno" = x"yes"; then
+ CXXFLAGS="${CXXFLAGS} +Olibmerrno"
+fi
+
+
fi
CFLAGS_VECTOR=$CFLAGS_VECTOR
CFLAGS="$CFLAGS -g"
fi
+if test "$enable_debug" = yes && test "$ac_cv_prog_cxx_g" = yes; then
+ CXXFLAGS="$CXXFLAGS -g"
+fi
+
# enable code coverage if --enable-coverage
if test "$enable_coverage" = yes; then
if test "$GCC" = yes; then
CFLAGS="$CFLAGS -fprofile-arcs -ftest-coverage"
+ CXXFLAGS="$CXXFLAGS -fprofile-arcs -ftest-coverage"
else
as_fn_error $? "--enable-coverage is supported only when using GCC" "$LINENO" 5
fi
$as_echo "#define PROFILE_PID_DIR 1" >>confdefs.h
CFLAGS="$CFLAGS -pg $PLATFORM_PROFILE_FLAGS"
+ CXXFLAGS="$CXXFLAGS -pg $PLATFORM_PROFILE_FLAGS"
else
as_fn_error $? "--enable-profiling is supported only when using GCC" "$LINENO" 5
fi
CPPFLAGS="$CPPFLAGS -I$srcdir/src/include/port/win32 -DEXEC_BACKEND"
fi
-# Now that we're done automatically adding stuff to CFLAGS, put back the
+# Now that we're done automatically adding stuff to C[XX]FLAGS, put back the
# user-specified flags (if any) at the end. This lets users override
# the automatic additions.
CFLAGS="$CFLAGS $user_CFLAGS"
+CXXFLAGS="$CXXFLAGS $user_CXXFLAGS"
# Check if the compiler still works with the final flag settings
+# (note, we're not checking that for CXX, which is optional)
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler still works" >&5
$as_echo_n "checking whether the C compiler still works... " >&6; }
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
$as_echo "$as_me: using compiler=$cc_string" >&6;}
{ $as_echo "$as_me:${as_lineno-$LINENO}: using CFLAGS=$CFLAGS" >&5
$as_echo "$as_me: using CFLAGS=$CFLAGS" >&6;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: using CXXFLAGS=$CXXFLAGS" >&5
+$as_echo "$as_me: using CXXFLAGS=$CXXFLAGS" >&6;}
{ $as_echo "$as_me:${as_lineno-$LINENO}: using CPPFLAGS=$CPPFLAGS" >&5
$as_echo "$as_me: using CPPFLAGS=$CPPFLAGS" >&6;}
{ $as_echo "$as_me:${as_lineno-$LINENO}: using LDFLAGS=$LDFLAGS" >&5
PGAC_ARG_REQ(with, CC, [CMD], [set compiler (deprecated)], [CC=$with_CC])
case $template in
- aix) pgac_cc_list="gcc xlc";;
- *) pgac_cc_list="gcc cc";;
+ aix) pgac_cc_list="gcc xlc"; pgac_cxx_list="g++ xlC";;
+ *) pgac_cc_list="gcc cc"; pgac_cxx_list="g++ c++";;
esac
AC_PROG_CC([$pgac_cc_list])
+AC_PROG_CXX([$pgac_cxx_list])
# Check if it's Intel's compiler, which (usually) pretends to be gcc,
# but has idiosyncrasies of its own. We assume icc will define
#
. "$srcdir/src/template/$template" || exit
-# CFLAGS are selected so:
+# C[XX]FLAGS are selected so:
# If the user specifies something in the environment, that is used.
# else: If the template file set something, that is used.
# else: If coverage was enabled, don't set anything.
fi
fi
-# CFLAGS we determined above will be added back at the end
+if test "$ac_env_CXXFLAGS_set" = set; then
+ CXXFLAGS=$ac_env_CXXFLAGS_value
+elif test "${CXXFLAGS+set}" = set; then
+ : # (keep what template set)
+elif test "$enable_coverage" = yes; then
+ : # no optimization by default
+elif test "$GCC" = yes; then
+ CXXFLAGS="-O2"
+else
+ # if the user selected debug mode, don't use -O
+ if test "$enable_debug" != yes; then
+ CXXFLAGS="-O"
+ fi
+fi
+
+# C[XX]FLAGS we determined above will be added back at the end
user_CFLAGS=$CFLAGS
CFLAGS=""
+user_CXXFLAGS=$CXXFLAGS
+CXXFLAGS=""
# set CFLAGS_VECTOR from the environment, if available
if test "$ac_env_CFLAGS_VECTOR_set" = set; then
if test "$GCC" = yes -a "$ICC" = no; then
CFLAGS="-Wall -Wmissing-prototypes -Wpointer-arith"
+ CXXFLAGS="-Wall -Wpointer-arith"
# These work in some but not all gcc versions
PGAC_PROG_CC_CFLAGS_OPT([-Wdeclaration-after-statement])
+ # -Wdeclaration-after-statement isn't applicable for C++
PGAC_PROG_CC_CFLAGS_OPT([-Wendif-labels])
+ PGAC_PROG_CXX_CFLAGS_OPT([-Wendif-labels])
PGAC_PROG_CC_CFLAGS_OPT([-Wmissing-format-attribute])
+ PGAC_PROG_CXX_CFLAGS_OPT([-Wmissing-format-attribute])
# This was included in -Wall/-Wformat in older GCC versions
PGAC_PROG_CC_CFLAGS_OPT([-Wformat-security])
+ PGAC_PROG_CXX_CFLAGS_OPT([-Wformat-security])
# Disable strict-aliasing rules; needed for gcc 3.3+
PGAC_PROG_CC_CFLAGS_OPT([-fno-strict-aliasing])
+ PGAC_PROG_CXX_CFLAGS_OPT([-fno-strict-aliasing])
# Disable optimizations that assume no overflow; needed for gcc 4.3+
PGAC_PROG_CC_CFLAGS_OPT([-fwrapv])
+ PGAC_PROG_CXX_CFLAGS_OPT([-fwrapv])
# Disable FP optimizations that cause various errors on gcc 4.5+ or maybe 4.6+
PGAC_PROG_CC_CFLAGS_OPT([-fexcess-precision=standard])
+ PGAC_PROG_CXX_CFLAGS_OPT([-fexcess-precision=standard])
# Optimization flags for specific files that benefit from vectorization
PGAC_PROG_CC_VAR_OPT(CFLAGS_VECTOR, [-funroll-loops])
PGAC_PROG_CC_VAR_OPT(CFLAGS_VECTOR, [-ftree-vectorize])
# Intel's compiler has a bug/misoptimization in checking for
# division by NAN (NaN == 0), -mp1 fixes it, so add it to the CFLAGS.
PGAC_PROG_CC_CFLAGS_OPT([-mp1])
+ PGAC_PROG_CXX_CFLAGS_OPT([-mp1])
# Make sure strict aliasing is off (though this is said to be the default)
PGAC_PROG_CC_CFLAGS_OPT([-fno-strict-aliasing])
+ PGAC_PROG_CXX_CFLAGS_OPT([-fno-strict-aliasing])
elif test "$PORTNAME" = "aix"; then
# AIX's xlc has to have strict aliasing turned off too
PGAC_PROG_CC_CFLAGS_OPT([-qnoansialias])
+ PGAC_PROG_CXX_CFLAGS_OPT([-qnoansialias])
PGAC_PROG_CC_CFLAGS_OPT([-qlonglong])
+ PGAC_PROG_CXX_CFLAGS_OPT([-qlonglong])
elif test "$PORTNAME" = "hpux"; then
# On some versions of HP-UX, libm functions do not set errno by default.
# Fix that by using +Olibmerrno if the compiler recognizes it.
PGAC_PROG_CC_CFLAGS_OPT([+Olibmerrno])
+ PGAC_PROG_CXX_CFLAGS_OPT([+Olibmerrno])
fi
AC_SUBST(CFLAGS_VECTOR, $CFLAGS_VECTOR)
CFLAGS="$CFLAGS -g"
fi
+if test "$enable_debug" = yes && test "$ac_cv_prog_cxx_g" = yes; then
+ CXXFLAGS="$CXXFLAGS -g"
+fi
+
# enable code coverage if --enable-coverage
if test "$enable_coverage" = yes; then
if test "$GCC" = yes; then
CFLAGS="$CFLAGS -fprofile-arcs -ftest-coverage"
+ CXXFLAGS="$CXXFLAGS -fprofile-arcs -ftest-coverage"
else
AC_MSG_ERROR([--enable-coverage is supported only when using GCC])
fi
AC_DEFINE([PROFILE_PID_DIR], 1,
[Define to 1 to allow profiling output to be saved separately for each process.])
CFLAGS="$CFLAGS -pg $PLATFORM_PROFILE_FLAGS"
+ CXXFLAGS="$CXXFLAGS -pg $PLATFORM_PROFILE_FLAGS"
else
AC_MSG_ERROR([--enable-profiling is supported only when using GCC])
fi
CPPFLAGS="$CPPFLAGS -I$srcdir/src/include/port/win32 -DEXEC_BACKEND"
fi
-# Now that we're done automatically adding stuff to CFLAGS, put back the
+# Now that we're done automatically adding stuff to C[XX]FLAGS, put back the
# user-specified flags (if any) at the end. This lets users override
# the automatic additions.
CFLAGS="$CFLAGS $user_CFLAGS"
+CXXFLAGS="$CXXFLAGS $user_CXXFLAGS"
# Check if the compiler still works with the final flag settings
+# (note, we're not checking that for CXX, which is optional)
AC_MSG_CHECKING([whether the C compiler still works])
AC_LINK_IFELSE([AC_LANG_PROGRAM([], [return 0;])],
[AC_MSG_RESULT(yes)],
AC_MSG_NOTICE([using compiler=$cc_string])
AC_MSG_NOTICE([using CFLAGS=$CFLAGS])
+AC_MSG_NOTICE([using CXXFLAGS=$CXXFLAGS])
AC_MSG_NOTICE([using CPPFLAGS=$CPPFLAGS])
AC_MSG_NOTICE([using LDFLAGS=$LDFLAGS])
projects / postgresql / commitdiff