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Makefile: Explicitly set '-std=c99'

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This matches the build flags that are correctly explicitly defined in
meson.build where-as the Makefile is randomly picking up whatever the
system toolchain happens to default to.

Fix dmi.c while we are here to avoid a re-define of _GNU_SOURCE.

BUG=none
TEST=`make` with both gcc and clang.

Change-Id: I4f973927fc018510a3beaa6c4fa2f356c77c7a6e
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/47908
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Sam McNally <sammc@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Edward O'Callaghan 2020-11-24 23:29:29 +11:00 committed by Edward O'Callaghan
parent f384161b5a
commit 5e5c3f15ef
2 changed files with 3 additions and 1 deletions
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2
Makefile
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@ -30,7 +30,7 @@ INSTALL = install
DIFF = diff
PREFIX ?= /usr/local
MANDIR ?= $(PREFIX)/share/man
CFLAGS ?= -Os -Wall -Wextra -Wno-unused-parameter -Wshadow -Wmissing-prototypes -Wwrite-strings
CFLAGS ?= -std=c99 -D_DEFAULT_SOURCE -D_POSIX_C_SOURCE=200809L -D_BSD_SOURCE -Os -Wall -Wextra -Wno-unused-parameter -Wshadow -Wmissing-prototypes -Wwrite-strings
EXPORTDIR ?= .
RANLIB ?= ranlib
PKG_CONFIG ?= pkg-config

2
dmi.c
View File

@ -19,7 +19,9 @@
/* strnlen is in POSIX but was a GNU extension up to glibc 2.10 */
#if (__GLIBC__ == 2 && __GLIBC_MINOR__ < 10) || __GLIBC__ < 2
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif /* !GNU_SOURCE */
#else
#define _POSIX_C_SOURCE 200809L
#endif