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| author | Simon Marlow <marlowsd@gmail.com> | 2011-11-22 11:26:28 +0000 |
|---|---|---|
| committer | Simon Marlow <marlowsd@gmail.com> | 2011-11-22 11:26:28 +0000 |
| commit | d681f8700ad2c034d5b9dacf4e681b8e7279f6ee (patch) | |
| tree | c808d7d5e623679e13b67d8e82d46ebbb0130005 /aclocal.m4 | |
| parent | a5762b71d1aaf9037d14fc706bb04976a231bf22 (diff) | |
| parent | 6247b59e5d31de58ee51273916bc44ac2118240a (diff) | |
| download | haskell-d681f8700ad2c034d5b9dacf4e681b8e7279f6ee.tar.gz | |
merge
Diffstat (limited to 'aclocal.m4')
| -rw-r--r-- | aclocal.m4 | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/aclocal.m4 b/aclocal.m4 index f76c082388..590a1250d5 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -1028,6 +1028,22 @@ AC_SUBST(GccLT34) AC_SUBST(GccLT46) ])# FP_GCC_VERSION +dnl Check to see if the C compiler uses an LLVM back end +dnl +AC_DEFUN([FP_CC_LLVM_BACKEND], +[AC_REQUIRE([AC_PROG_CC]) +AC_MSG_CHECKING([whether C compiler has an LLVM back end]) +$CC -x c /dev/null -dM -E > conftest.txt 2>&1 +if grep "__llvm__" conftest.txt >/dev/null 2>&1; then + AC_SUBST([CC_LLVM_BACKEND], [1]) + AC_MSG_RESULT([yes]) +else + AC_SUBST([CC_LLVM_BACKEND], [0]) + AC_MSG_RESULT([no]) +fi +rm -f conftest.txt +]) + dnl Small feature test for perl version. Assumes PerlCmd dnl contains path to perl binary. dnl |