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Add Werr to compile flag checks

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clang will accept with warnings an unknown warning flag, so autotools
will think it accepts everything. cleans up a lot of clang warning
messages.
This commit is contained in:
Danny Robson 2014-05-09 12:58:57 +10:00
parent 84a179f4ca
commit a24cdd0848
1 changed files with 42 additions and 42 deletions
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84
configure.ac
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@ -44,29 +44,29 @@ AC_ARG_ENABLE([sanitizer], [
############################################################################### ###############################################################################
## Warnings ## Warnings
AX_APPEND_COMPILE_FLAGS([-Wall]) AX_APPEND_COMPILE_FLAGS([-Wall], [], [-Werror])
AX_APPEND_COMPILE_FLAGS([-Wextra]) AX_APPEND_COMPILE_FLAGS([-Wextra], [], [-Werror])
AX_APPEND_COMPILE_FLAGS([-Wno-parentheses]) AX_APPEND_COMPILE_FLAGS([-Wno-parentheses], [], [-Werror])
AX_APPEND_COMPILE_FLAGS([-Wpointer-arith]) AX_APPEND_COMPILE_FLAGS([-Wpointer-arith], [], [-Werror])
AX_APPEND_COMPILE_FLAGS([-Wcast-qual]) AX_APPEND_COMPILE_FLAGS([-Wcast-qual], [], [-Werror])
AX_APPEND_COMPILE_FLAGS([-Wcast-align]) AX_APPEND_COMPILE_FLAGS([-Wcast-align], [], [-Werror])
AX_APPEND_COMPILE_FLAGS([-Wsign-compare]) AX_APPEND_COMPILE_FLAGS([-Wsign-compare], [], [-Werror])
AX_APPEND_COMPILE_FLAGS([-Wsign-conversion]) AX_APPEND_COMPILE_FLAGS([-Wsign-conversion], [], [-Werror])
AX_APPEND_COMPILE_FLAGS([-Wtype-limits]) AX_APPEND_COMPILE_FLAGS([-Wtype-limits], [], [-Werror])
AX_APPEND_COMPILE_FLAGS([-Wfloat-equal]) AX_APPEND_COMPILE_FLAGS([-Wfloat-equal], [], [-Werror])
AX_APPEND_COMPILE_FLAGS([-Wunused-parameter]) AX_APPEND_COMPILE_FLAGS([-Wunused-parameter], [], [-Werror])
AX_APPEND_COMPILE_FLAGS([-Wunused-but-set-variable]) AX_APPEND_COMPILE_FLAGS([-Wunused-but-set-variable], [], [-Werror])
AX_APPEND_COMPILE_FLAGS([-Wshadow]) AX_APPEND_COMPILE_FLAGS([-Wshadow], [], [-Werror])
AX_APPEND_COMPILE_FLAGS([-Wredundant-decls]) AX_APPEND_COMPILE_FLAGS([-Wredundant-decls], [], [-Werror])
AX_APPEND_COMPILE_FLAGS([-pedantic]) AX_APPEND_COMPILE_FLAGS([-pedantic], [], [-Werror])
###################################################################### ######################################################################
## Platform compilation helpers ## Platform compilation helpers
AX_APPEND_COMPILE_FLAGS([-fno-common]) AX_APPEND_COMPILE_FLAGS([-fno-common], [], [-Werror])
AX_APPEND_COMPILE_FLAGS([-fno-nonansi-builtins]) AX_APPEND_COMPILE_FLAGS([-fno-nonansi-builtins], [], [-Werror])
AX_APPEND_COMPILE_FLAGS([-fno-deduce-init-list]) AX_APPEND_COMPILE_FLAGS([-fno-deduce-init-list], [], [-Werror])
############################################################################### ###############################################################################
## Compiler features ## Compiler features
@ -126,7 +126,7 @@ AM_CONDITIONAL([HAVE_EXECINFO], [test x$ac_cv_header_execinfo_h = "xyes"])
AC_SEARCH_LIBS([clock_gettime], [rt]) AC_SEARCH_LIBS([clock_gettime], [rt])
AS_IF([test "x$ac_cv_search_clock_gettime" == "x-*"], [ AS_IF([test "x$ac_cv_search_clock_gettime" == "x-*"], [
AX_APPEND_LINK_FLAGS([$ac_cv_search_clock_gettime]) AX_APPEND_LINK_FLAGS([$ac_cv_search_clock_gettime], [], [-Werror])
]) ])
############################################################################### ###############################################################################
@ -134,43 +134,43 @@ AS_IF([test "x$ac_cv_search_clock_gettime" == "x-*"], [
AS_IF([test "x$enable_debugging" = "xyes"], [ AS_IF([test "x$enable_debugging" = "xyes"], [
AS_IF([test "x$enable_mudflap" = "xyes"], [ AS_IF([test "x$enable_mudflap" = "xyes"], [
AX_APPEND_COMPILE_FLAGS([-fmudflapth]) AX_APPEND_COMPILE_FLAGS([-fmudflapth], [], [-Werror])
AX_APPEND_LINK_FLAGS([-lmudflapth]) AX_APPEND_LINK_FLAGS([-lmudflapth], [], [-Werror])
]) ])
AS_IF([test "x$enable_sanitizer" = "xyes"], [ AS_IF([test "x$enable_sanitizer" = "xyes"], [
AX_APPEND_COMPILE_FLAGS([-fsanitize=address]) AX_APPEND_COMPILE_FLAGS([-fsanitize=address], [], [-Werror])
AX_APPEND_LINK_FLAGS([-fsanitize=address]) AX_APPEND_LINK_FLAGS([-fsanitize=address], [], [-Werror])
]) ])
AX_APPEND_COMPILE_FLAGS([-ggdb]) AX_APPEND_COMPILE_FLAGS([-ggdb], [], [-Werror])
AC_DEFINE([ENABLE_DEBUGGING], [], [Debugging support enabled]) AC_DEFINE([ENABLE_DEBUGGING], [], [Debugging support enabled], [], [-Werror])
AC_DEFINE([_GLIBCXX_DEBUG], [], [Use glibcxx debugging mode]) AC_DEFINE([_GLIBCXX_DEBUG], [], [Use glibcxx debugging mode], [], [-Werror])
AX_APPEND_COMPILE_FLAGS([-O0]) AX_APPEND_COMPILE_FLAGS([-O0], [], [-Werror])
], [ ], [
AX_APPEND_COMPILE_FLAGS([-02]) AX_APPEND_COMPILE_FLAGS([-02], [], [-Werror])
AX_APPEND_COMPILE_FLAGS([-flto=8]) AX_APPEND_COMPILE_FLAGS([-flto=8], [], [-Werror])
AX_APPEND_COMPILE_FLAGS([-flto-partition=none]) AX_APPEND_COMPILE_FLAGS([-flto-partition=none], [], [-Werror])
AX_APPEND_LINK_FLAGS([-flto=8]) AX_APPEND_LINK_FLAGS([-flto=8], [], [-Werror])
AX_APPEND_LINK_FLAGS([-flto-partition=none]) AX_APPEND_LINK_FLAGS([-flto-partition=none], [], [-Werror])
AX_APPEND_LINK_FLAGS([-fwhole-program]) AX_APPEND_LINK_FLAGS([-fwhole-program], [], [-Werror])
]) ])
AS_CASE([$host_os], AS_CASE([$host_os],
[mingw32], [ [mingw32], [
AX_APPEND_COMPILE_FLAGS([-gstabs]) AX_APPEND_COMPILE_FLAGS([-gstabs], [], [-Werror])
## HACK: Stop multiple defines from boost exception rethrowers ## HACK: Stop multiple defines from boost exception rethrowers
## terminating the build. Works around boost bug #4258. ## terminating the build. Works around boost bug #4258.
AX_APPEND_COMPILE_FLAGS([-Wl,--allow-multiple-definition]) AX_APPEND_COMPILE_FLAGS([-Wl,--allow-multiple-definition], [], [-Werror])
], ],
[linux-gnu], [ [linux-gnu], [
AX_APPEND_COMPILE_FLAGS([-g]) AX_APPEND_COMPILE_FLAGS([-g], [], [-Werror])
AX_APPEND_COMPILE_FLAGS([-ggdb]) AX_APPEND_COMPILE_FLAGS([-ggdb], [], [-Werror])
], ],
[AC_MSG_WARN([Unknown host_os])] [AC_MSG_WARN([Unknown host_os])]
@ -211,19 +211,19 @@ AC_SUBST(ZLIB_LIBS)
AS_CASE([$host_cpu], AS_CASE([$host_cpu],
[x86_64], [ [x86_64], [
AX_APPEND_COMPILE_FLAGS([-mtune=generic]) AX_APPEND_COMPILE_FLAGS([-mtune=generic], [], [-Werror])
], ],
[i686], [ [i686], [
AX_APPEND_COMPILE_FLAGS([-march=prescott]) AX_APPEND_COMPILE_FLAGS([-march=prescott], [], [-Werror])
AX_APPEND_COMPILE_FLAGS([-mtune=generic]) AX_APPEND_COMPILE_FLAGS([-mtune=generic], [], [-Werror])
AX_APPEND_COMPILE_FLAGS([-mfpmath=sse]) AX_APPEND_COMPILE_FLAGS([-mfpmath=sse], [], [-Werror])
], ],
[AC_MSG_WARN([unknown host_cpu])] [AC_MSG_WARN([unknown host_cpu])]
) )
AX_APPEND_COMPILE_FLAGS([-pipe]) AX_APPEND_COMPILE_FLAGS([-pipe], [], [-Werror])
############################################################################### ###############################################################################
## Output ## Output