The -fdiagnostics-color flag is only available on GCC >= 4.9, for
older versions this could raise an error in certain circumstances
(such as when using ccache). Instead, since -fdiagnostic-color=auto
by default in gcc-4.9, simply set the required environment variable
to the default one if it's undefined.
Based mostly on the systemd commit f44541bc by Michal Schmidt.
---
Makefile.am | 3 +++
configure.ac | 1 -
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/Makefile.am b/Makefile.am
index ea5cbac..51825f0 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -11,6 +11,9 @@ BUILT_FILES =
ACLOCAL_AMFLAGS = -I m4 ${ACLOCAL_FLAGS}
AM_MAKEFLAGS = --no-print-directory
+GCC_COLORS ?=
'error=01;31:warning=01;35:note=01;36:caret=01;32:locus=01:quote=01'
+export GCC_COLORS
+
AM_CPPFLAGS = \
-include $(top_builddir)/config.h \
-I$(top_srcdir)/libkmod \
diff --git a/configure.ac b/configure.ac
index 2709f08..f28bfed 100644
--- a/configure.ac
+++ b/configure.ac
@@ -201,7 +201,6 @@ CC_CHECK_FLAGS_APPEND(with_cflags, [CFLAGS], [\
-Wuninitialized \
-fno-common \
-fdiagnostics-show-option \
- -fdiagnostics-color=auto \
-fvisibility=hidden \
-ffunction-sections \
-fdata-sections])
--
2.2.0
--
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