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Diffstat (limited to 'erts/aclocal.m4')
| -rw-r--r-- | erts/aclocal.m4 | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/erts/aclocal.m4 b/erts/aclocal.m4 index 80bf236188..887babc13f 100644 --- a/erts/aclocal.m4 +++ b/erts/aclocal.m4 @@ -2726,6 +2726,21 @@ AC_DEFUN([LM_TRY_ENABLE_CFLAG], [ fi ]) +AC_DEFUN([LM_CHECK_ENABLE_CFLAG], [ + AC_MSG_CHECKING([whether $CC accepts $1...]) + saved_CFLAGS=$CFLAGS; + CFLAGS="$1 $CFLAGS"; + AC_TRY_COMPILE([],[return 0;],can_enable_flag=true,can_enable_flag=false) + CFLAGS=$saved_CFLAGS; + if test "X$can_enable_flag" = "Xtrue"; then + AS_VAR_SET($2, true) + AC_MSG_RESULT([yes]) + else + AS_VAR_SET($2, false) + AC_MSG_RESULT([no]) + fi +]) + dnl ERL_TRY_LINK_JAVA(CLASSES, FUNCTION-BODY dnl [ACTION_IF_FOUND [, ACTION-IF-NOT-FOUND]]) dnl Freely inspired by AC_TRY_LINK. (Maybe better to create a |