configure: enable use of colored output for gcc

diff --git a/configure.ac b/configure.ac
index 1262c147a31e36d5f92177bc561e24dc7daaccec..19abe1b0e1119ac48140f041ddfb42bd9d4ebe3e 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -64,6 +64,7 @@ DX_INIT_DOXYGEN([lldpd], [doxygen.cfg], [doxygen])
 
 # Check some compiler flags
 AX_CFLAGS_GCC_OPTION([-fdiagnostics-show-option])
+AX_CFLAGS_GCC_OPTION([-fdiagnostics-color=auto])
 AX_CFLAGS_GCC_OPTION([-pipe])
 AX_CFLAGS_GCC_OPTION([-Wall])
 AX_CFLAGS_GCC_OPTION([-W])