Stop defining `RUBY_ABI_VERSION` if released versions

As commented in include/ruby/internal/abi.h, since teeny versions of
Ruby should guarantee ABI compatibility, `RUBY_ABI_VERSION` has no role
in released versions of Ruby.

1 files changed, 6 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
index bc21c26292..0f4a31af7e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -88,7 +88,9 @@ AC_SUBST(GIT)
 AC_SUBST(HAVE_GIT)
 
 eval `sed -n -e ['s/^@%:@define RUBY_[A-Z_]*VERSION_\([A-Z][A-Z][A-Z_0-9]*\) \([0-9][0-9]*\)$/\1=\2/p'] \
+      -e ['s/^@%:@define \(RUBY_ABI_VERSION\) \([0-9][0-9]*\).*/\1=\2/p'] \
       -e ['s/^@%:@define \(RUBY_PATCHLEVEL\) \(.*\)/\1=\2/p'] \
+     $srcdir/include/ruby/internal/abi.h \
      $srcdir/include/ruby/version.h $srcdir/version.h`
 for v in MAJOR MINOR TEENY; do
     AS_IF([eval "test \"\$$v\" = ''"], [
@@ -100,6 +102,9 @@ AC_SUBST(MINOR)
 AC_SUBST(TEENY)
 AC_SUBST(RUBY_API_VERSION, '$(MAJOR).$(MINOR)')
 AC_SUBST(RUBY_PROGRAM_VERSION, '$(MAJOR).$(MINOR).$(TEENY)')
+AS_CASE([$RUBY_PATCHLEVEL], [-*], [
+    AC_DEFINE_UNQUOTED(RUBY_ABI_VERSION, [${RUBY_ABI_VERSION}])
+], [RUBY_ABI_VERSION=])
 
 AS_IF([test "$program_prefix" = NONE], [
   program_prefix=
@@ -4118,6 +4123,7 @@ AS_CASE(["$ruby_version"],
 AS_IF([test ${RUBY_LIB_VERSION_STYLE+set}], [
     {
     echo "#define RUBY_LIB_VERSION_STYLE $RUBY_LIB_VERSION_STYLE"
+    echo '@%:@include "confdefs.h"'
     echo '#define STRINGIZE(x) x'
     test -f revision.h -o -f "${srcdir}/revision.h" || echo '#define RUBY_REVISION 0'
     echo '#include "version.h"'