Revert "build-sys: don't enable color gcc on dumb terminals"

This reverts commit cd3069559a09b4e4f85a6f02aa8f0521f48359ca.

Emacs compilation can be fixed by putting
(custom-set-variables
 '(compilation-environment (quote ("GCC_COLORS="))))
in ~/.emacs.

diff --git a/configure.ac b/configure.ac
index 802009efcda6428f4979f4921787be92687fc6db..1e196f730764091fe3df22d98f2f30dfb9e595c5 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -133,7 +133,7 @@ CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
         -ffast-math \
         -fno-common \
         -fdiagnostics-show-option \
-        -fdiagnostics-color=auto \
+        -fdiagnostics-color \
         -fno-strict-aliasing \
         -fvisibility=hidden \
         -ffunction-sections \