[pkgsrc/trunk]: pkgsrc/lang/gcc9 lang/gcc9: try to build on Linux

[rillig <rillig%pkgsrc.org@localhost>]

details:   https://anonhg.NetBSD.org/pkgsrc/rev/47b5e7cecb9e
branches:  trunk
changeset: 410618:47b5e7cecb9e
user:      rillig <rillig%pkgsrc.org@localhost>
date:      Sat Jan 25 20:31:39 2020 +0000

description:
lang/gcc9: try to build on Linux

diffstat:

 lang/gcc9/Makefile |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (19 lines):

diff -r 4b7b0c7e2546 -r 47b5e7cecb9e lang/gcc9/Makefile
--- a/lang/gcc9/Makefile        Sat Jan 25 20:29:11 2020 +0000
+++ b/lang/gcc9/Makefile        Sat Jan 25 20:31:39 2020 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.7 2020/01/25 20:29:11 rillig Exp $
+# $NetBSD: Makefile,v 1.8 2020/01/25 20:31:39 rillig Exp $
 
 GCC9_VERSION=  9.2.0
 
@@ -58,7 +58,8 @@
 # compute_powtab.c: In function 'mpn_compute_powtab_mul':
 # compute_powtab.c:142:3: error: 'for' loop initial declarations are only allowed in C99 mode
 #    for (long pi = start_idx; pi >= 0; pi--)
-NOT_FOR_PLATFORM+=     Linux-*-x86_64
+#NOT_FOR_PLATFORM+=    Linux-*-x86_64
+CFLAGS.Linux+=         -std=gnu99
 
 # The build and target host is x86_64-sun-solaris2.11.
 # It still fails to compile some seemingly linux-specific code.