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libcares2
0001-add-symbol-versioning-support.patch
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File 0001-add-symbol-versioning-support.patch of Package libcares2
From f2f268450d2aff0c7bcbb848b8a1c7b1e1d38291 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Cristian=20Rodr=C3=ADguez?= <crrodriguez@opensuse.org> Date: Fri, 3 Feb 2012 16:01:16 -0300 Subject: [PATCH] add symbol versioning support --- Makefile.am | 11 ++++--- c-ares.map | 72 +++++++++++++++++++++++++++++++++++++++++++++++ configure.ac | 9 +---- m4/ld-version-script.m4 | 53 ++++++++++++++++++++++++++++++++++ 4 files changed, 133 insertions(+), 12 deletions(-) create mode 100644 c-ares.map create mode 100644 m4/ld-version-script.m4 --- c-ares-1.7.5.orig/Makefile.am +++ c-ares-1.7.5/Makefile.am @@ -93,12 +93,13 @@ VER=-version-info 2:0:0 # set age to 0. (c:r:a=0) # -if NO_UNDEFINED -# The -no-undefined flag is crucial for this to build fine on some platforms -UNDEF = -no-undefined -endif +libcares_la_LDFLAGS = -no-undefined $(UNDEF) $(VER) -libcares_la_LDFLAGS = $(UNDEF) $(VER) +if HAVE_LD_VERSION_SCRIPT +libcares_la_LDFLAGS += -Wl,--version-script=$(srcdir)/c-ares.map +else +libcares_la_LDFLAGS += -export-symbols-regex '^ares_.*' +endif # Add -Werror if defined CFLAGS += @CARES_CFLAG_EXTRAS@ --- /dev/null +++ c-ares-1.7.5/c-ares.map @@ -0,0 +1,72 @@ +CARES_1.2.0 { +global: + ares_cancel; + ares_destroy; + ares_expand_name; + ares_expand_string; + ares_fds; + ares_free_data; + ares_free_hostent; + ares_free_string; + ares_get_servers; + ares_gethostbyaddr; + ares_gethostbyname; + ares_init; + ares_init_options; + ares_mkquery; + ares_parse_a_reply; + ares_parse_ptr_reply; + ares_process; + ares_query; + ares_search; + ares_send; + ares_set_local_dev; + ares_set_local_ip4; + ares_set_local_ip6; + ares_set_servers; + ares_set_servers_csv; + ares_strerror; + ares_timeout; + ares_version; +local: *; +}; + +CARES_1.3.1 { +global: + ares_parse_aaaa_reply; + ares_getnameinfo; + ares_getsock; +} CARES_1.2.0; + +CARES_1.4.0 { +global: + ares_save_options; + ares_destroy_options; + ares_parse_ns_reply; + ares_process_fd; +} CARES_1.3.1; + +CARES_1.6.0 { +global: + ares_dup; + ares_gethostbyname_file; +} CARES_1.4.0; + +CARES_1.7.0 { +global: + ares_set_socket_callback; + ares_parse_txt_reply; + ares_parse_srv_reply; + ares_library_init; + ares_library_cleanup; +} CARES_1.6.0; + +CARES_1.7.1 { +global: + ares_reinit; +} CARES_1.7.0; + +CARES_1.7.2 { +global: + ares_parse_mx_reply; +} CARES_1.7.1; --- c-ares-1.7.5.orig/configure.ac +++ c-ares-1.7.5/configure.ac @@ -97,9 +97,6 @@ case $host_os in ;; esac -dnl support building of Windows DLLs -AC_LIBTOOL_WIN32_DLL - dnl force libtool to build static libraries with PIC on AMD64-Linux & FreeBSD AC_MSG_CHECKING([if arch-OS host is AMD64-Linux/FreeBSD (to build static libraries with PIC)]) case $host in @@ -124,7 +121,8 @@ case $CC in esac dnl libtool setup -AC_PROG_LIBTOOL +LT_INIT([win32-dll pic-only disable-static]) +gl_LD_VERSION_SCRIPT AC_MSG_CHECKING([if we need CARES_BUILDING_LIBRARY]) case $host in @@ -171,9 +169,6 @@ CARES_CHECK_COMPILER_HALT_ON_ERROR CARES_CHECK_COMPILER_ARRAY_SIZE_NEGATIVE CARES_CHECK_COMPILER_SYMBOL_HIDING -CARES_CHECK_NO_UNDEFINED -AM_CONDITIONAL(NO_UNDEFINED, test x$need_no_undefined = xyes) - CARES_CHECK_CURLDEBUG AM_CONDITIONAL(CURLDEBUG, test x$want_curldebug = xyes) --- /dev/null +++ c-ares-1.7.5/m4/ld-version-script.m4 @@ -0,0 +1,53 @@ +# ld-version-script.m4 serial 3 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Simon Josefsson + +# FIXME: The test below returns a false positive for mingw +# cross-compiles, 'local:' statements does not reduce number of +# exported symbols in a DLL. Use --disable-ld-version-script to work +# around the problem. + +# gl_LD_VERSION_SCRIPT +# -------------------- +# Check if LD supports linker scripts, and define automake conditional +# HAVE_LD_VERSION_SCRIPT if so. +AC_DEFUN([gl_LD_VERSION_SCRIPT], +[ + AC_ARG_ENABLE([ld-version-script], + AS_HELP_STRING([--enable-ld-version-script], + [enable linker version script (default is enabled when possible)]), + [have_ld_version_script=$enableval], []) + if test -z "$have_ld_version_script"; then + AC_MSG_CHECKING([if LD -Wl,--version-script works]) + save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS -Wl,--version-script=conftest.map" + cat > conftest.map <<EOF +foo +EOF + AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], + [accepts_syntax_errors=yes], [accepts_syntax_errors=no]) + if test "$accepts_syntax_errors" = no; then + cat > conftest.map <<EOF +VERS_1 { + global: sym; +}; + +VERS_2 { + global: sym; +} VERS_1; +EOF + AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], + [have_ld_version_script=yes], [have_ld_version_script=no]) + else + have_ld_version_script=no + fi + rm -f conftest.map + LDFLAGS="$save_LDFLAGS" + AC_MSG_RESULT($have_ld_version_script) + fi + AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes") +])
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