gh-91731: Build Python with -std=c11 (#91733)

vstinner · web-flow · commit aaeea78b0f8f · 2022-04-20T13:19:05.000+02:00
Python is now built with "-std=c11" compiler option, rather than
"-std=c99".
diff --git a/Misc/NEWS.d/next/Build/2022-04-20-11-14-51.gh-issue-91731.zRoPcJ.rst b/Misc/NEWS.d/next/Build/2022-04-20-11-14-51.gh-issue-91731.zRoPcJ.rst
@@ -0,0 +1,2 @@
+Python is now built with ``-std=c11`` compiler option, rather than
+``-std=c99``. Patch by Victor Stinner.
diff --git a/configure b/configure
diff --git a/configure.ac b/configure.ac
@@ -1983,7 +1983,7 @@ AC_DEFUN([PY_CHECK_CC_WARNING], [
 # tweak BASECFLAGS based on compiler and platform
 case $GCC in
 yes)
-    CFLAGS_NODIST="$CFLAGS_NODIST -std=c99"
+    CFLAGS_NODIST="$CFLAGS_NODIST -std=c11"
 
     PY_CHECK_CC_WARNING([enable], [extra], [if we can add -Wextra])
     AS_VAR_IF([ac_cv_enable_extra_warning], [yes],

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	+Python is now built with ``-std=c11`` compiler option, rather than
	`2`	+``-std=c99``. Patch by Victor Stinner.