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| author | Lukas Larsson <[email protected]> | 2017-08-24 16:20:36 +0200 |
|---|---|---|
| committer | Lukas Larsson <[email protected]> | 2017-09-08 09:46:42 +0200 |
| commit | a9812e6307fe335d077f96d3a6342cbd4894ed0b (patch) | |
| tree | 6037e6c982f04acf2a24bacc25767e9cbf1aeded /erts/aclocal.m4 | |
| parent | 5d124efc4f8408cdbe2f23ca6b233b932f1dd7c6 (diff) | |
| download | otp-a9812e6307fe335d077f96d3a6342cbd4894ed0b.tar.gz otp-a9812e6307fe335d077f96d3a6342cbd4894ed0b.tar.bz2 otp-a9812e6307fe335d077f96d3a6342cbd4894ed0b.zip | |
Add support for building a pgo beam_emu
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 |