diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 2cfee1080..94fad51b5 100644 --- a/configure.ac +++ b/configure.ac @@ -1130,6 +1130,29 @@ dnl --------------------------------------------- INCLUDES='-I$(top_srcdir) -I$(top_builddir)/include -I$(top_srcdir)/include -I$(top_srcdir)/src -I$(top_builddir)/src/xine-engine -I$(top_srcdir)/src/xine-engine -I$(top_srcdir)/src/xine-utils $(INTLDIR) -I$(top_builddir)/src/input -I$(top_srcdir)/src/input $(WIN32_INCLUDES) -I$(top_builddir)/lib -I$(top_srcdir)/lib' AC_SUBST(INCLUDES) +dnl We check for warnings here rather than with optimisations since we +dnl want them to be _always_ enabled, to make sure the code is sane +dnl enough. + +CC_CHECK_CFLAGS_APPEND([-Wall -Wchar-subscripts dnl + -Wnested-externs -Wcast-align dnl + -Wmissing-declarations -Wmissing-prototypes dnl + -Wmissing-format-attribute]) + +CC_CHECK_CFLAGS_APPEND([-Wformat=2 -Wformat], + [CC_CHECK_CFLAGS_APPEND([-Wno-format-zero-length]) + break; + ]) + +dnl check for strict aliasing problem, get the highest between =2 and +dnl normal. +CC_CHECK_CFLAGS_APPEND([-Wstrict-aliasing=2 -Wstrict-aliasing], [break;]) + +dnl This *has* to stay at the end as it can break some autoconf tests. +CC_CHECK_CFLAGS_APPEND([-Werror=implicit-function-declaration dnl + -Werror-implicit-function-declaration], [break;]) + +CC_NOUNDEFINED dnl signal FreeBSD have also FreeBSD based kernel. dnl @@ -1152,7 +1175,6 @@ CFLAGS="$UNIVERSAL_CFLAGS \$(MULTIPASS_CFLAGS) $miscflags $warnflags $CFLAGS" LDFLAGS="$UNIVERSAL_LDFLAGS $LDFLAGS" OBJCFLAGS="$UNIVERSAL_CFLAGS $miscflags $warnflags $OBJCFLAGS" - dnl Some informations about xine-lib compilation for xine-config XINE_BUILD_CC="`$CC -v 2>&1 | tail -1 2>/dev/null`" XINE_BUILD_OS="`uname -s -r -m`" |