-# <rdenis (at) simphalempin (dot) com>.
+# Copyright © 2006 Rémi Denis-Courmont
# This file (flags.m4) is free software; unlimited permission to
# copy and/or distribute it , with or without modifications, as long
# as this notice is preserved.
])
ac_res=`eval echo '${'$as_ac_var'}'`
- AS_IF([test "${ac_res}" != "no"], [
- CFLAGS="${CFLAGS_save} $1"
+ CFLAGS="${CFLAGS_save}"
+ AS_IF([test "${ac_res}" != "no"], [$2], [$3])
+])
+
+AC_DEFUN([RDC_PROG_CC_FLAGS],
+[AC_LANG_ASSERT(C)
+ RDC_PROG_CC_FLAGS_IFELSE([$1], [CFLAGS="${CFLAGS} $1"])
+])
+
+AC_DEFUN([RDC_PROG_CC_WFLAGS],
+[ for a in $1; do
+ RDC_PROG_CC_FLAGS([-W$a])
+ done
+])
+
+AC_DEFUN([RDC_PROG_CXX_FLAGS_IFELSE],
+[AC_LANG_ASSERT(C++)
+ CXXFLAGS_save="${CXXFLAGS}"
+ as_ac_var=`echo "ac_cv_prog_cxx_flags_$1" | $as_tr_sh`
+ AC_CACHE_CHECK([if $CXX accepts $1], [$as_ac_var], [
CXXFLAGS="${CXXFLAGS} $1"
- OBJCFLAGS="${OBJCFLAGS} $1"
- $2
- ], [
- CFLAGS="${CFLAGS_save}"
- $3
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
+ eval "$as_ac_var=yes"
+ ],[
+ eval "$as_ac_var=no"
+ ])
])
+
+ ac_res=`eval echo '${'$as_ac_var'}'`
+ CFLAGS="${CFLAGS_save}"
+ AS_IF([test "${ac_res}" != "no"], [$2], [$3])
])
-AC_DEFUN([RDC_PROG_CC_WFLAGS],
+AC_DEFUN([RDC_PROG_CXX_FLAGS],
+[AC_LANG_ASSERT(C++)
+ RDC_PROG_CXX_FLAGS_IFELSE([$1], [CXXFLAGS="${CXXFLAGS} $1"])
+])
+
+AC_DEFUN([RDC_PROG_CXX_WFLAGS],
[ for a in $1; do
- RDC_PROG_CC_FLAGS_IFELSE([-W$a])
+ RDC_PROG_CXX_FLAGS([-W$a])
done
])