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Use #error in autoconf tests

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This commit is contained in:
Frank Denis 2017-09-15 15:26:10 +02:00
parent 147d8b6205
commit 1f8056ab11
1 changed files with 2 additions and 2 deletions
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4
configure.ac
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@ -274,7 +274,7 @@ AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wextra], [CWFLAGS="$CWFLAGS -Wextra"])
AC_MSG_CHECKING(for clang)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
#ifndef __clang__
be sad
#error Not clang
#endif
]])],
[AC_MSG_RESULT(yes)
@ -312,7 +312,7 @@ AX_CHECK_LINK_FLAG([-Wl,-z,noexecstack], [LDFLAGS="$LDFLAGS -Wl,-z,noexecstack"]
AC_MSG_CHECKING(for a broken clang + AVX512 combination)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
#if !(defined(__AVX512F__) && defined(__clang__) && __clang_major__ < 4)
Not a broken clang + AVX512 combination
#error Not a broken clang + AVX512 combination
#endif
]])],
[AC_MSG_RESULT(yes - disabling AVX512 optimizations)