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![Pierre d'Herbemont](/assets/img/avatar_default.png)
This allow a little bit more flexibility and won't require the same level of code quality in configure tests (is that a plus?).
68 lines
1.7 KiB
Plaintext
68 lines
1.7 KiB
Plaintext
# <rdenis (at) simphalempin (dot) com>.
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# This file (flags.m4) is free software; unlimited permission to
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# copy and/or distribute it , with or without modifications, as long
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# as this notice is preserved.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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# PARTICULAR PURPOSE.
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AC_DEFUN([RDC_PROG_CC_FLAGS_IFELSE],
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[AC_LANG_ASSERT(C)
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CFLAGS_save="${CFLAGS}"
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as_ac_var=`echo "ac_cv_prog_cc_flags_$1" | $as_tr_sh`
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AC_CACHE_CHECK([if $CC accepts $1], [$as_ac_var], [
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CFLAGS="${CFLAGS} $1"
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
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eval "$as_ac_var=yes"
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],[
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eval "$as_ac_var=no"
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])
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])
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ac_res=`eval echo '${'$as_ac_var'}'`
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CFLAGS="${CFLAGS_save}"
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AS_IF([test "${ac_res}" != "no"], [$2], [$3])
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])
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AC_DEFUN([RDC_PROG_CC_FLAGS],
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[AC_LANG_ASSERT(C)
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RDC_PROG_CC_FLAGS_IFELSE([$1], [CFLAGS="${CFLAGS} $1"])
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])
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AC_DEFUN([RDC_PROG_CC_WERRORFLAGS],
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[ for a in $1; do
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RDC_PROG_CC_FLAGS_IFELSE([-Werror=$a], [CFLAGS_WERROR="${CFLAGS_WERROR} -Werror=${a}"])
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done
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])
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AC_DEFUN([RDC_PROG_CC_WFLAGS],
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[ for a in $1; do
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RDC_PROG_CC_FLAGS([-W$a])
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done
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])
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AC_DEFUN([RDC_PROG_LINK_FLAGS_IFELSE],
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[AC_LANG_ASSERT(C)
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LDFLAGS_save="${LDFLAGS}"
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as_ac_var=`echo "ac_cv_prog_link_flags_$1" | $as_tr_sh`
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AC_CACHE_CHECK([if $LINK accepts $1], [$as_ac_var], [
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LDFLAGS="${LDFLAGS} $1"
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AC_LINK_IFELSE([AC_LANG_PROGRAM()], [
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eval "$as_ac_var=yes"
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],[
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eval "$as_ac_var=no"
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])
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])
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ac_res=`eval echo '${'$as_ac_var'}'`
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AS_IF([test "${ac_res}" != "no"], [
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LDFLAGS="${LDFLAGS} $1"
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$2
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], [
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LDFLAGS="${LDFLAGS_save}"
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$3
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])
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])
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