src/patches/ipxe-1b67a05-be-explicit-about-fcommon-compiler-directive.patch

   1 From f982a712979619dbae2c6e0d741757e2ce94be11 Mon Sep 17 00:00:00 2001
   2 From: Bruce Rogers <brogers@suse.com>
   3 Date: Wed, 6 May 2020 15:03:02 -0600
   4 Subject: [PATCH] [build] Be explicit about -fcommon compiler directive
   5
   6 gcc10 switched default behavior from -fcommon to -fno-common.  Since
   7 "__shared" relies on the legacy behavior, explicitly specify it.
   8
   9 Signed-off-by: Bruce Rogers <brogers@suse.com>
  10 Modified-by: Michael Brown <mcb30@ipxe.org>
  11 Signed-off-by: Michael Brown <mcb30@ipxe.org>
  12 ---
  13  src/Makefile.housekeeping | 1 +
  14  1 file changed, 1 insertion(+)
  15
  16 diff --git a/src/Makefile.housekeeping b/src/Makefile.housekeeping
  17 index 66d6dd449..b6c61c112 100644
  18 --- a/src/Makefile.housekeeping
  19 +++ b/src/Makefile.housekeeping
  20 @@ -418,6 +418,7 @@ CFLAGS              += -Os
  21  CFLAGS         += -g
  22  ifeq ($(CCTYPE),gcc)
  23  CFLAGS         += -ffreestanding
  24 +CFLAGS         += -fcommon
  25  CFLAGS         += -Wall -W -Wformat-nonliteral
  26  HOST_CFLAGS    += -Wall -W -Wformat-nonliteral
  27  endif