diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/configure.in b/configure.in index 46bb885e..5da50126 100644 --- a/configure.in +++ b/configure.in @@ -26,6 +26,35 @@ AC_SUBST(DBUS_SYS_DIR) GLIB_GENMARSHAL=`pkg-config --variable=glib_genmarshal glib-2.0` AC_SUBST(GLIB_GENMARSHAL) +AC_ARG_ENABLE(more-warnings, +AS_HELP_STRING([--enable-more-warnings], [Maximum compiler warnings]), set_more_warnings="$enableval",set_more_warnings=yes) +AC_MSG_CHECKING(for more warnings, including -Werror) +if test "$GCC" = "yes" -a "$set_more_warnings" != "no"; then + AC_MSG_RESULT(yes) + CFLAGS="-Wall -Werror -std=gnu89 $CFLAGS" + + for option in -Wshadow -Wmissing-declarations -Wmissing-prototypes \ + -Wdeclaration-after-statement -Wstrict-prototypes \ + -Wfloat-equal -Wno-unused-parameter -Wno-sign-compare \ + -fno-strict-aliasing; do + SAVE_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS $option" + AC_MSG_CHECKING([whether gcc understands $option]) + AC_TRY_COMPILE([], [], + has_option=yes, + has_option=no,) + if test $has_option = no; then + CFLAGS="$SAVE_CFLAGS" + fi + AC_MSG_RESULT($has_option) + unset has_option + unset SAVE_CFLAGS + done + unset option +else + AC_MSG_RESULT(no) +fi + AC_ARG_WITH(docs, AC_HELP_STRING([--with-docs], [Build ModemManager documentation])) AM_CONDITIONAL(WITH_DOCS, test "x$with_docs" = "xyes") case $with_docs in |