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| author | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2017-06-22 15:06:58 +0200 |
|---|---|---|
| committer | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2017-06-28 10:27:28 +0200 |
| commit | 3029b659e89caa79b6860c3bbe8cbc18b53af678 (patch) | |
| tree | 022a68ccef109294ef30b6dcb976974c1cac1239 /configure.ac | |
| parent | 9eae3063e62df1ca47213027ad42fff6d0a9b7f4 (diff) | |
Enable compiler warnings
This patch borrows the compiler.m4 script from util-linux to check
for compiler support of a number of warning flags and sets them if
they are supported.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 22 |
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" |