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| author | Zoltan Varga <vargaz@gmail.com> | 2009-05-26 04:46:19 +0400 |
|---|---|---|
| committer | Zoltan Varga <vargaz@gmail.com> | 2009-05-26 04:46:19 +0400 |
| commit | 7890c4d61cf903da4af0eb8d304961b1909e5e62 (patch) | |
| tree | edda82a8a36f70292cfc48ae785982d5ab82ad0e /CMakeLists.txt | |
| parent | 1410581e22dc231de82f95a111b5f7348c45a76a (diff) | |
2009-05-26 Zoltan Varga <vargaz@gmail.com>
* CMakeLists.txt: implement arm fpu detection, add vfp detection as
well.
svn path=/trunk/mono/; revision=134737
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 42 |
1 files changed, 30 insertions, 12 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index ed80942bc8e..3d49ae35102 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -2431,20 +2431,38 @@ if (with_tls STREQUAL "__thread") ###fi endif() -###if test ${TARGET} = ARM && test x$cross_compiling = xno && test x$enable_mcs_build != xno; then + # ****************************************** # *** Check to see what FPU is available *** # ****************************************** -### ac_msg_checking(which FPU to use) - -### AC_TRY_COMPILE([], [ -### __asm__ ("ldfd f0, [r0]"); -### ], set(fpu FPA, fpu=NONE)) - -### ac_msg_result($fpu) -### set(CPPFLAGS "$CPPFLAGS -DARM_FPU_$fpu=1") -### unset fpu -###fi +# FIXME: Don't do this if cross-compiling +if(${TARGET} STREQUAL "ARM") + ac_msg_checking("which FPU to use") + set(CMAKE_REQUIRED_FLAGS "-mfloat-abi=softfp -mfpu=vfp") + set(compiles_fpu_vfp) + check_c_source_compiles(" +void main () { + __asm__ (\"faddd d7, d6, d7\"); +} +" compiles_fpu_vfp) + set(compiles_fpu_fpa) + set(cmake_required_flags) + check_c_source_compiles(" +void main () { + __asm__ (\"ldfd f0, [r0]\"); +} +" compiles_fpu_fpa) + if(compiles_fpu_vfp) + set(fpu VFP) + elseif(compiles_fpu_fpa) + set(fpu FPA) + else() + set(fpu NONE) + endif() + ac_msg_result(${fpu}) + set(CPPFLAGS "${CPPFLAGS} -DARM_FPU_${fpu}=1") + set(fpu) +endif() if(${TARGET} STREQUAL "unknown") set(CPPFLAGS ${CPPFLAGS} -DNO_PORT) @@ -2452,7 +2470,7 @@ if(${TARGET} STREQUAL "unknown") endif() if(NOT ACCESS_UNALIGNED) - set(CPPFLAGS ${CPPFLAGS} -DNO_UNALIGNED_ACCESS) + set(CPPFLAGS "${CPPFLAGS} -DNO_UNALIGNED_ACCESS") endif() ###case "x$gc" in |