diff options
Diffstat (limited to 'config/c-compiler.m4')
| -rw-r--r-- | config/c-compiler.m4 | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/config/c-compiler.m4 b/config/c-compiler.m4 index 30b270185b1..b518851441b 100644 --- a/config/c-compiler.m4 +++ b/config/c-compiler.m4 @@ -477,6 +477,46 @@ AC_DEFUN([PGAC_PROG_CC_VAR_OPT], +# PGAC_PROG_VARCXX_VARFLAGS_OPT +# ----------------------- +# Given a compiler, variable name and a string, check if the compiler +# supports the string as a command-line option. If it does, add the +# string to the given variable. +AC_DEFUN([PGAC_PROG_VARCXX_VARFLAGS_OPT], +[define([Ac_cachevar], [AS_TR_SH([pgac_cv_prog_$1_cxxflags_$3])])dnl +AC_CACHE_CHECK([whether ${$1} supports $3, for $2], [Ac_cachevar], +[pgac_save_CXXFLAGS=$CXXFLAGS +pgac_save_CXX=$CXX +CXX=${$1} +CXXFLAGS="${$2} $3" +ac_save_cxx_werror_flag=$ac_cxx_werror_flag +ac_cxx_werror_flag=yes +AC_LANG_PUSH(C++) +_AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], + [Ac_cachevar=yes], + [Ac_cachevar=no]) +AC_LANG_POP([]) +ac_cxx_werror_flag=$ac_save_cxx_werror_flag +CXXFLAGS="$pgac_save_CXXFLAGS" +CXX="$pgac_save_CXX"]) +if test x"$Ac_cachevar" = x"yes"; then + $2="${$2} $3" +fi +undefine([Ac_cachevar])dnl +])# PGAC_PROG_VARCXX_VARFLAGS_OPT + + + +# PGAC_PROG_CXX_CFLAGS_OPT +# ----------------------- +# Given a string, check if the compiler supports the string as a +# command-line option. If it does, add the string to CXXFLAGS. +AC_DEFUN([PGAC_PROG_CXX_CFLAGS_OPT], +[PGAC_PROG_VARCXX_VARFLAGS_OPT(CXX, CXXFLAGS, $1) +])# PGAC_PROG_CXX_VAR_OPT + + + # PGAC_PROG_CC_LDFLAGS_OPT # ------------------------ # Given a string, check if the compiler supports the string as a |