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configure: arm: Assume softfp ABI on darwin

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Don't try to detect the float ABI by checking at the toolchain
name or by trying to assemble and link files with eabi_attributes.

This fixes the float ABI detection when building using clang
with -fembed-bitcode, where the current eabi_attributes check
accidentally passes.

This issue was pointed out by James Howe <james.howe@hp.com>.

CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2015-08-14 09:47:21 +03:00
parent 44b4444120
commit cb2dbe2c76
1 changed files with 1 additions and 1 deletions
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2
configure vendored
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@ -4015,7 +4015,7 @@ elif enabled arm; then
enable vfp_args
elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
enable vfp_args
elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
case "${cross_prefix:-$cc}" in
*hardfloat*) enable vfp_args; fpabi=vfp ;;
*) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;