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-rw-r--r--configure.ac22
1 files changed, 22 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 8db281d..c1cf1d1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -24,6 +24,28 @@ AC_DISABLE_STATIC
AC_PROG_CC
AC_PROG_INSTALL
+## compiler warnings
+UL_WARN_ADD([-Wall])
+UL_WARN_ADD([-Wextra])
+UL_WARN_ADD([-Wunused])
+UL_WARN_ADD([-Wmissing-prototypes])
+UL_WARN_ADD([-Wmissing-declarations])
+UL_WARN_ADD([-Wwrite-strings])
+UL_WARN_ADD([-Wjump-misses-init])
+UL_WARN_ADD([-Wuninitialized])
+UL_WARN_ADD([-Winit-self])
+UL_WARN_ADD([-Wlogical-op])
+UL_WARN_ADD([-Wunused-but-set-parameter])
+UL_WARN_ADD([-Wunused-but-set-variable])
+UL_WARN_ADD([-Wunused-parameter])
+UL_WARN_ADD([-Wunused-result])
+UL_WARN_ADD([-Wunused-variable])
+
+UL_WARN_ADD([-Wno-shadow])
+UL_WARN_ADD([-Wno-sign-compare])
+
+AC_SUBST([WARN_CFLAGS])
+
###### handle configure switches, select dependencies ######
need_clock_gettime="no"