diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/configure.ac b/configure.ac index dd37376d3..6a788e13a 100644 --- a/configure.ac +++ b/configure.ac @@ -2617,22 +2617,27 @@ _AM_DEPENDENCIES([OBJC]) AM_CONDITIONAL([BUILD_DMX_IMAGE], [test "x$have_imagemagick" = "xyes" -o "x$no_gdkpixbuf" != "xyes"]) -dnl Important warnings we _don't_ want to skip -dnl Don't put these under conditional for optimisations, because these -dnl need always to be enabled. +dnl We check for warnings here rather than with optimisations since we +dnl want them to be _always_ enabled, to make sure the code is sane +dnl enough. + +CC_CHECK_CFLAGS_APPEND([-Wall -Wchar-subscripts dnl + -Wnested-externs -Wcast-align dnl + -Wmissing-declarations -Wmissing-prototypes dnl + -Wmissing-format-attribute]) + CC_CHECK_CFLAGS_APPEND([-Wformat=2 -Wformat], [CC_CHECK_CFLAGS_APPEND([-Wno-format-zero-length]) break; ]) -CC_CHECK_CFLAGS_APPEND([-Wmissing-format-attribute]) - dnl check for strict aliasing problem, get the highest between =2 and dnl normal. CC_CHECK_CFLAGS_APPEND([-Wstrict-aliasing=2 -Wstrict-aliasing], [break;]) dnl This *has* to stay at the end as it can break some autoconf tests. -CC_CHECK_CFLAGS_APPEND([-Werror=implicit-function-declaration -Werror-implicit-function-declaration], [break;]) +CC_CHECK_CFLAGS_APPEND([-Werror=implicit-function-declaration dnl + -Werror-implicit-function-declaration], [break;]) CC_NOUNDEFINED |