project-base/server-skynet-source-3rd-jemalloc
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Allow to build without exporting symbols

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When statically linking jemalloc, it may be beneficial not to export its
symbols if it makes sense, which allows the compiler and the linker to do
some further optimizations.
This commit is contained in:
Mike Hommey 2012-11-19 10:55:26 +01:00 committed by Jason Evans
parent a3b3386ddd
commit 9906660eb7
2 changed files with 12 additions and 0 deletions
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5
INSTALL
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@ -55,6 +55,11 @@ any of the following arguments (not a definitive list) to 'configure':
jemalloc overlays the default malloc zone, but makes no attempt to actually jemalloc overlays the default malloc zone, but makes no attempt to actually
replace the "malloc", "calloc", etc. symbols. replace the "malloc", "calloc", etc. symbols.
--without-export
Don't export public APIs. This can be useful when building jemalloc as a
static library, or to avoid exporting public APIs when using the zone
allocator on OSX.
--with-private-namespace=<prefix> --with-private-namespace=<prefix>
Prefix all library-private APIs with <prefix>. For shared libraries, Prefix all library-private APIs with <prefix>. For shared libraries,
symbol visibility mechanisms prevent these symbols from being exported, but symbol visibility mechanisms prevent these symbols from being exported, but

7
configure.ac
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@ -471,6 +471,13 @@ for stem in ${public_syms}; do
AC_DEFINE_UNQUOTED([${n}], [${m}]) AC_DEFINE_UNQUOTED([${n}], [${m}])
done done
AC_ARG_WITH([export],
[AS_HELP_STRING([--without-export], [disable exporting jemalloc public APIs])],
[if test "x$with_export" = "xno"; then
AC_DEFINE([JEMALLOC_EXPORT],[])]
fi]
)
dnl Do not mangle library-private APIs by default. dnl Do not mangle library-private APIs by default.
AC_ARG_WITH([private_namespace], AC_ARG_WITH([private_namespace],
[AS_HELP_STRING([--with-private-namespace=<prefix>], [Prefix to prepend to all library-private APIs])], [AS_HELP_STRING([--with-private-namespace=<prefix>], [Prefix to prepend to all library-private APIs])],