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don't check for useless __builtin_stack_pointer

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It doesn't seem to be supported anyways, and we're not using it too.
This commit is contained in:
Aliaksey Kandratsenka 2021-02-14 14:25:49 -08:00
parent 7271bb72be
commit ac68c97187
4 changed files with 0 additions and 17 deletions
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3
CMakeLists.txt
View File

@ -355,9 +355,6 @@ option(gperftools_emergency_malloc
"Build emergency malloc"
${default_emergency_malloc})
check_c_source_compiles(
"int main() { void* sp = __builtin_stack_pointer(); return 0; }"
HAVE_BUILTIN_STACK_POINTER)
check_c_source_compiles(
"int main() { return __builtin_expect(main != 0, 1); }"
HAVE_BUILTIN_EXPECT)

3
cmake/config.h.in
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@ -30,9 +30,6 @@
/* Define to 1 if you have the <asm/ptrace.h> header file. */
#cmakedefine HAVE_ASM_PTRACE_H
/* Define to 1 if compiler supports __builtin_stack_pointer */
#cmakedefine HAVE_BUILTIN_STACK_POINTER
/* Define to 1 if you have the <cygwin/signal.h> header file. */
#cmakedefine HAVE_CYGWIN_SIGNAL_H

8
configure.ac
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@ -459,14 +459,6 @@ AH_VERBATIM([__STDC_FORMAT_MACROS],
# define __STDC_FORMAT_MACROS 1
#endif])
# Check if __builtin_stack_pointer() is available (for elfcore.h)
AC_MSG_CHECKING([for __builtin_stack_pointer()])
AC_LINK_IFELSE([AC_LANG_PROGRAM(, [void *sp = __builtin_stack_pointer()])],
[AC_DEFINE(HAVE_BUILTIN_STACK_POINTER, 1,
Define to 1 if compiler supports __builtin_stack_pointer)
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])])
# Check if __environ is available (for GetenvBeforeMain)
AC_MSG_CHECKING([for __environ])
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>],

3
src/windows/config.h
View File

@ -36,9 +36,6 @@
/* Define to 1 if you have the <asm/ptrace.h> header file. */
/* #undef HAVE_ASM_PTRACE_H */
/* Define to 1 if compiler supports __builtin_stack_pointer */
/* #undef HAVE_BUILTIN_STACK_POINTER */
/* Define to 1 if you have the <cygwin/signal.h> header file. */
/* #undef HAVE_CYGWIN_SIGNAL_H */