Set default symbol visibility to hidden.
Compile with -fvisibility=hidden rather than -fvisibility=internal, in
order to avoid PLT lookups for internal functions. Also fix a
regression that caused the -fvisibility flag to be omitted, due to:
Port to Mac OS X.
2dbecf1f62
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0e4d0d13f9
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@ -157,17 +157,6 @@ case "${host_cpu}" in
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esac
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esac
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AC_DEFINE_UNQUOTED([CPU_SPINWAIT], [$CPU_SPINWAIT])
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AC_DEFINE_UNQUOTED([CPU_SPINWAIT], [$CPU_SPINWAIT])
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JE_COMPILABLE([__attribute__ syntax],
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[static __attribute__((unused)) void foo(void){}],
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[],
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[attribute])
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if test "x${attribute}" = "xyes" ; then
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AC_DEFINE([JEMALLOC_HAVE_ATTR], [ ])
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if test "x$GCC" = "xyes" -a "${abi}" = "xelf"; then
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JE_CFLAGS_APPEND([-fvisibility=internal])
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fi
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fi
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dnl Platform-specific settings. abi and RPATH can probably be determined
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dnl Platform-specific settings. abi and RPATH can probably be determined
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dnl programmatically, but doing so is error-prone, which makes it generally
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dnl programmatically, but doing so is error-prone, which makes it generally
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dnl not worth the trouble.
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dnl not worth the trouble.
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@ -227,6 +216,17 @@ esac
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AC_SUBST([abi])
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AC_SUBST([abi])
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AC_SUBST([RPATH])
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AC_SUBST([RPATH])
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JE_COMPILABLE([__attribute__ syntax],
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[static __attribute__((unused)) void foo(void){}],
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[],
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[attribute])
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if test "x${attribute}" = "xyes" ; then
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AC_DEFINE([JEMALLOC_HAVE_ATTR], [ ])
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if test "x${GCC}" = "xyes" -a "x${abi}" = "xelf"; then
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JE_CFLAGS_APPEND([-fvisibility=hidden])
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fi
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fi
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JE_COMPILABLE([mremap(...MREMAP_FIXED...)], [
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JE_COMPILABLE([mremap(...MREMAP_FIXED...)], [
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#define _GNU_SOURCE
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#define _GNU_SOURCE
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#include <sys/mman.h>
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#include <sys/mman.h>
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