From: Ben Pfaff <blp@cs.stanford.edu>
Date: Mon, 31 Aug 2020 16:03:24 +0000 (-0700)
Subject: Makefile.am: Suppress GCC 10.x warning in gl/careadlinkat.c.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e5e3339632dd5e2026b9cd7ee85b5581ba39c922;p=pspp

Makefile.am: Suppress GCC 10.x warning in gl/careadlinkat.c.

This suppresses an error in gl/careadlinkat.c that otherwise can't be
avoided in GCC 10.x:
  ../../gl/careadlinkat.c: In function ‘careadlinkat’:
  cc1: error: function may return address of local variable
---

diff --git a/configure.ac b/configure.ac
index 9780d7393f..93395f1809 100644
--- a/configure.ac
+++ b/configure.ac
@@ -47,6 +47,12 @@ PSPP_CC_FOR_BUILD
 PSPP_PERL
 PSPP_PYTHON
 
+# This suppresses an error in gl/careadlinkat.c that otherwise can't be
+# avoided in GCC 10.x:
+#   ../../gl/careadlinkat.c: In function ‘careadlinkat’:
+#   cc1: error: function may return address of local variable
+CFLAGS="$CFLAGS -DGCC_LINT"
+
 dnl Disable automatic po/ support, because PSPP provides its own po/ support.
 AC_PROVIDE([AM_PO_SUBDIRS])
 AM_GNU_GETTEXT([external], [need-ngettext])