pythongh-94847: Don't force inlining in debug builds of libmpdec (pythonGH-94848)

tiran · miss-islington · commit f8c9943482bc · 2022-07-18T06:47:10.000Z
(cherry picked from commit 97b4121) Co-authored-by: Christian Heimes <christian@python.org>
diff --git a/Misc/NEWS.d/next/Build/2022-07-14-11-13-26.gh-issue-94847.s3Kr5p.rst b/Misc/NEWS.d/next/Build/2022-07-14-11-13-26.gh-issue-94847.s3Kr5p.rst
@@ -0,0 +1,2 @@
+Fixed ``_decimal`` module build issue on GCC when compiling with LTO and
+pydebug. Debug builds no longer force inlining of functions.
diff --git a/configure b/configure
diff --git a/configure.ac b/configure.ac
@@ -3628,6 +3628,11 @@ AS_VAR_IF([with_system_libmpdec], [yes], [
   LIBMPDEC_CFLAGS="-I\$(srcdir)/Modules/_decimal/libmpdec"
   LIBMPDEC_LDFLAGS="-lm \$(LIBMPDEC_A)"
   LIBMPDEC_INTERNAL="\$(LIBMPDEC_A)"
+
+  dnl Disable forced inlining in debug builds, see GH-94847
+  AS_VAR_IF([with_pydebug], [yes], [
+    AS_VAR_APPEND([LIBMPDEC_CFLAGS], [" -DTEST_COVERAGE"])
+  ])
 ])
 
 AC_SUBST([LIBMPDEC_CFLAGS])

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	+Fixed ``_decimal`` module build issue on GCC when compiling with LTO and
	`2`	`+pydebug. Debug builds no longer force inlining of functions.`