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| author | Pauli Nieminen <suokkos@gmail.com> | 2009-07-05 18:34:29 +0300 |
|---|---|---|
| committer | Pauli Nieminen <suokkos@gmail.com> | 2009-08-25 02:50:04 +0300 |
| commit | 2ae033dfd519f061553cce12a2dd9bd916b542b5 (patch) | |
| tree | 56046233956977e3eeb23375e580728e642ec327 | |
| parent | 7e667aa87d057663c20e73c8dd589a631dc5013a (diff) | |
libdrm: Add configuration option to enable strict compilation
Source is writen for c99 standard so we have to tell compiler about it with -std=c99 if we want strict warnings.
Also add -pedantic to list of warning flags.
| -rw-r--r-- | configure.ac | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 0794a2c9..d0854cb4 100644 --- a/configure.ac +++ b/configure.ac @@ -53,6 +53,11 @@ AC_ARG_ENABLE(radeon-experimental-api, [Enable support for radeon's KMS API (default: disabled)]), [RADEON=$enableval], [RADEON=no]) +AC_ARG_ENABLE(strict-compilation, + AS_HELP_STRING([--enable-strict-compilation], + [Enable all warnings from compiler and make them errors (default: disabled)]), + [STRICT_COMPILE=$enableval], [STRICT_COMPILE=no]) + dnl =========================================================================== dnl check compiler flags AC_DEFUN([LIBDRM_CC_TRY_FLAG], [ @@ -94,7 +99,7 @@ MAYBE_WARN="-Wall -Wextra \ -Wstrict-aliasing=2 -Winit-self -Wunsafe-loop-optimizations \ -Wdeclaration-after-statement -Wold-style-definition \ -Wno-missing-field-initializers -Wno-unused-parameter \ --Wno-attributes -Wno-long-long -Winline" +-Wno-attributes -Wno-long-long -Winline -pedantic" # invalidate cached value if MAYBE_WARN has changed if test "x$libdrm_cv_warn_maybe" != "x$MAYBE_WARN"; then @@ -125,6 +130,10 @@ AC_CACHE_CHECK([for supported warning flags], libdrm_cv_warn_cflags, [ AC_MSG_CHECKING([which warning flags were supported])]) WARN_CFLAGS="$libdrm_cv_warn_cflags" +if test "x$STRICT_COMPILE" = xyes; then + CFLAGS="$CFLAGS $WARN_CFLAGS -std=c99 -Werror" +fi + if test "x$UDEV" = xyes; then AC_DEFINE(UDEV, 1, [Have UDEV support]) fi |