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Merge commit '847190ebd99ffd57dc89bd568a33bf2d5c424129'

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* commit '847190ebd99ffd57dc89bd568a33bf2d5c424129':
  configure: Don't assume an aligned stack on clang on windows

Merged-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2018-03-29 20:31:03 -03:00
parent ea15915b2d 847190ebd9
commit 7e3c4d029b
1 changed files with 11 additions and 2 deletions
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13
configure vendored
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@@ -6525,8 +6525,17 @@ elif enabled gcc; then
elif enabled llvm_gcc; then elif enabled llvm_gcc; then
check_cflags -mllvm -stack-alignment=16 check_cflags -mllvm -stack-alignment=16
elif enabled clang; then elif enabled clang; then
check_cflags -mllvm -stack-alignment=16 if [ "$target_os" = "mingw32" -o "$target_os" = "win32" ] && enabled x86_32; then
check_cflags -mstack-alignment=16 # Clang doesn't support maintaining alignment without assuming the
# same alignment in every function. If 16 byte alignment would be
# enabled, one would also have to either add attribute_align_arg on
# every single entry point into the libraries or enable -mstackrealign
# (doing stack realignment in every single function).
disable aligned_stack
else
check_cflags -mllvm -stack-alignment=16
check_cflags -mstack-alignment=16
fi
check_cflags -Qunused-arguments check_cflags -Qunused-arguments
check_cflags -Werror=implicit-function-declaration check_cflags -Werror=implicit-function-declaration
check_cflags -Werror=missing-prototypes check_cflags -Werror=missing-prototypes