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| author | Simon Marlow <marlowsd@gmail.com> | 2013-01-29 09:10:20 +0000 |
|---|---|---|
| committer | Simon Marlow <marlowsd@gmail.com> | 2013-01-29 10:12:28 +0000 |
| commit | 0375fcb10e0914b57cfa9744e75e692552fd2672 (patch) | |
| tree | 395f1b2007557c6f4d46438140d63c6305b4d1a2 /aclocal.m4 | |
| parent | b91f3d260f3ccb57e8fcd61f943c6fadf26391c8 (diff) | |
| download | haskell-0375fcb10e0914b57cfa9744e75e692552fd2672.tar.gz | |
ARM: infer VFPv2 presence from the C compiler
Diffstat (limited to 'aclocal.m4')
| -rw-r--r-- | aclocal.m4 | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/aclocal.m4 b/aclocal.m4 index edbe3897cd..7b185b9853 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -367,11 +367,23 @@ AC_DEFUN([GET_ARM_ISA], #endif] )], [AC_DEFINE(arm_HOST_ARCH_PRE_ARMv7, 1, [ARM pre v7]) - changequote(, )dnl ARM_ISA=ARMv6 - ARM_ISA_EXT="[]" - changequote([, ])dnl - ], + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM( + [], + [#if defined(__VFP_FP__) + return 0; + #else + no vfp + #endif] + )], + [changequote(, )dnl + ARM_ISA_EXT="[VFPv2]" + changequote([, ])dnl], + [changequote(, )dnl + ARM_ISA_EXT="[]" + changequote([, ])dnl] + )], [changequote(, )dnl ARM_ISA=ARMv7 ARM_ISA_EXT="[VFPv3,NEON]" |