mirror of https://code.videolan.org/videolan/vlc
91 lines
2.2 KiB
Plaintext
91 lines
2.2 KiB
Plaintext
# 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.
|
|
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
|
|
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
|
|
# PARTICULAR PURPOSE.
|
|
|
|
AC_DEFUN([RDC_PROG_CC_FLAGS_IFELSE],
|
|
[AC_LANG_ASSERT(C)
|
|
CFLAGS_save="${CFLAGS}"
|
|
as_ac_var=`echo "ac_cv_prog_cc_flags_$1" | $as_tr_sh`
|
|
AC_CACHE_CHECK([if $CC accepts $1], [$as_ac_var], [
|
|
CFLAGS="${CFLAGS} $1"
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
|
|
eval "$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_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} $1"
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
|
|
eval "$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_CXX_FLAGS],
|
|
[AC_LANG_ASSERT(C++)
|
|
RDC_PROG_CXX_FLAGS_IFELSE([$1], [CXXFLAGS="${CXXFLAGS} $1"])
|
|
])
|
|
|
|
AC_DEFUN([RDC_PROG_CXX_WFLAGS],
|
|
[ for a in $1; do
|
|
RDC_PROG_CXX_FLAGS([-W$a])
|
|
done
|
|
])
|
|
|
|
AC_DEFUN([RDC_PROG_LINK_FLAGS_IFELSE],
|
|
[AC_LANG_ASSERT(C)
|
|
LDFLAGS_save="${LDFLAGS}"
|
|
as_ac_var=`echo "ac_cv_prog_link_flags_$1" | $as_tr_sh`
|
|
AC_CACHE_CHECK([if $LINK accepts $1], [$as_ac_var], [
|
|
LDFLAGS="${LDFLAGS} $1"
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM()], [
|
|
eval "$as_ac_var=yes"
|
|
],[
|
|
eval "$as_ac_var=no"
|
|
])
|
|
])
|
|
|
|
ac_res=`eval echo '${'$as_ac_var'}'`
|
|
AS_IF([test "${ac_res}" != "no"], [
|
|
LDFLAGS="${LDFLAGS} $1"
|
|
$2
|
|
], [
|
|
LDFLAGS="${LDFLAGS_save}"
|
|
$3
|
|
])
|
|
])
|