configure: Prevent clang from accepting unknown compile flags

92bf46e0 · Hugo Beauzée-Luyssen · 38bef9cd · 92bf46e0
Commit 92bf46e0 authored Sep 06, 2017 by Hugo Beauzée-Luyssen
Hide whitespace changes
Inline Side-by-side

Showing with 4 additions and 0 deletions

configure.ac configure.ac +4 -0

No files found.
--- a/configure.ac
+++ b/configure.ac
@@ -94,6 +94,10 @@ AS_IF([test -n "${with_binary_version}"],[
         [Binary specific version])
 ])

+dnl Prevent clang from accepting unknown flags with a mere warning
+AX_APPEND_COMPILE_FLAGS([-Werror=unknown-warning-option -Werror=invalid-command-line-argument], [CFLAGS])
+AX_APPEND_COMPILE_FLAGS([-Werror=unknown-warning-option -Werror=invalid-command-line-argument], [CXXFLAGS])
+
 dnl
 dnl  Check the operating system
 dnl