autotools: Use symbol versioning if possible

The meson build already using it for: mesonbuild/meson#3047 Suggested by Jan Alexander Steffens
ueno · Sep 11, 2019 · f773a39 · f773a39
1 parent bf18338
commit f773a39
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Showing 2 changed files with 10 additions and 2 deletions.
diff --git a/configure.ac b/configure.ac
@@ -36,6 +36,9 @@ AC_USE_SYSTEM_EXTENSIONS
 LT_PREREQ([2.2.6])
 LT_INIT([dlopen disable-static])
 
+dnl Check if -Wl,--version-script is supported by the linker
+gl_LD_VERSION_SCRIPT
+
 dnl Checks for programs.
 AC_PROG_CC
 AC_PROG_CPP

diff --git a/p11-kit/Makefile.am b/p11-kit/Makefile.am
@@ -86,8 +86,13 @@ libp11_kit_la_CFLAGS = $(COMMON_CFLAGS)
 
 libp11_kit_la_LDFLAGS = \
 	-no-undefined \
-	-version-info $(P11KIT_LT_RELEASE) \
-	-export-symbols-regex '^C_GetFunctionList|^p11_kit_'
+	-version-info $(P11KIT_LT_RELEASE)
+
+if HAVE_LD_VERSION_SCRIPT
+libp11_kit_la_LDFLAGS += -Wl,--version-script=$(srcdir)/p11-kit/libp11-kit.map
+else
+libp11_kit_la_LDFLAGS += -export-symbols-regex '^C_GetFunctionList|^p11_kit_'
+endif
 
 libp11_kit_la_SOURCES = \
 	p11-kit/proxy.c p11-kit/proxy.h p11-kit/proxy-init.c \