diff --git a/Makefile.am b/Makefile.am index 11072bc35..f87852974 100644 --- a/Makefile.am +++ b/Makefile.am @@ -88,7 +88,7 @@ endif libsecp256k1_la_SOURCES = src/secp256k1.c libsecp256k1_la_CPPFLAGS = -I$(top_srcdir)/include -I$(top_srcdir)/src $(SECP_INCLUDES) libsecp256k1_la_LIBADD = $(SECP_LIBS) $(COMMON_LIB) $(PRECOMPUTED_LIB) -libsecp256k1_la_LDFLAGS = -no-undefined +libsecp256k1_la_LDFLAGS = -no-undefined -version-info $(LIB_VERSION_CURRENT):$(LIB_VERSION_REVISION):$(LIB_VERSION_AGE) if VALGRIND_ENABLED libsecp256k1_la_CPPFLAGS += -DVALGRIND diff --git a/configure.ac b/configure.ac index 6622023f2..92e497df8 100644 --- a/configure.ac +++ b/configure.ac @@ -8,6 +8,15 @@ define(_PKG_VERSION_MINOR, 1) define(_PKG_VERSION_BUILD, 0) define(_PKG_VERSION_IS_RELEASE, false) +# The library version is based on libtool versioning of the ABI. The set of +# rules for updating the version can be found here: +# https://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html +# All changes in experimental modules are treated as if they don't affect the +# interface and therefore only increase the revision. +define(_LIB_VERSION_CURRENT, 0) +define(_LIB_VERSION_REVISION, 0) +define(_LIB_VERSION_AGE, 0) + AC_INIT([libsecp256k1],m4_join([.], _PKG_VERSION_MAJOR, _PKG_VERSION_MINOR, _PKG_VERSION_BUILD)m4_if(_PKG_VERSION_IS_RELEASE, [true], [], [-pre]),[https://github.com/bitcoin-core/secp256k1/issues],[libsecp256k1],[https://github.com/bitcoin-core/secp256k1]) AC_CONFIG_AUX_DIR([build-aux]) @@ -391,6 +400,9 @@ AM_CONDITIONAL([ENABLE_MODULE_EXTRAKEYS], [test x"$enable_module_extrakeys" = x" AM_CONDITIONAL([ENABLE_MODULE_SCHNORRSIG], [test x"$enable_module_schnorrsig" = x"yes"]) AM_CONDITIONAL([USE_EXTERNAL_ASM], [test x"$use_external_asm" = x"yes"]) AM_CONDITIONAL([USE_ASM_ARM], [test x"$set_asm" = x"arm"]) +AC_SUBST(LIB_VERSION_CURRENT, _LIB_VERSION_CURRENT) +AC_SUBST(LIB_VERSION_REVISION, _LIB_VERSION_REVISION) +AC_SUBST(LIB_VERSION_AGE, _LIB_VERSION_AGE) # Make sure nothing new is exported so that we don't break the cache. PKGCONFIG_PATH_TEMP="$PKG_CONFIG_PATH"