diff options
Diffstat (limited to 'jbig2dec/configure.ac.in')
| -rw-r--r-- | jbig2dec/configure.ac.in | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/jbig2dec/configure.ac.in b/jbig2dec/configure.ac.in index 972d0818..95dbf639 100644 --- a/jbig2dec/configure.ac.in +++ b/jbig2dec/configure.ac.in @@ -27,12 +27,12 @@ AC_PROG_LIBTOOL # platform specific compiler flags if test "x$GCC" = xyes; then - CFLAGS="$CFLAGS -Wall" + CFLAGS="$CFLAGS -Wall -Wsign-compare" fi # Checks for libraries. dnl by default we want png support if possible -AC_ARG_WITH([libpng], +AC_ARG_WITH([libpng], AC_HELP_STRING([--with-libpng[=prefix]], [include support for png output (if libpng is available)]), [ac_cv_want_libpng="$withval"], [ac_cv_want_libpng="yes"]) @@ -68,9 +68,9 @@ AC_HEADER_STDC AC_CHECK_HEADERS([libintl.h stddef.h unistd.h strings.h]) dnl We assume the fixed-size types from stdint.h. If that header is -dnl not available, look for the same types in a few other headers. +dnl not available, look for the same types in a few other headers. dnl We also attempt to define them ourselves, but only use those if -dnl the native versions aren't available. The substitutions happen +dnl the native versions aren't available. The substitutions happen dnl in a file config_types.h, whose template is created by autogen.sh stdint_types_in="no_replacement_found" @@ -113,7 +113,7 @@ if test "x$ac_cv_header_stdint_h" != "xyes"; then elif test "x$stdint_types_discovered" = "xno"; then AC_MSG_ERROR([ Unable to find suitable definitions of the stdint.h types (uint32_t and friends) -You will have to define these yourself in a separate header. +You will have to define these yourself in a separate header. See config_win32.h for an example. ]) fi @@ -132,12 +132,11 @@ AC_C_BIGENDIAN AC_FUNC_MEMCMP dnl we use realloc() but don't depend on the zero-length behavior dnl tested by AC_FUNC_REALLOC -AC_REPLACE_FUNCS([snprintf]) AC_CHECK_FUNCS([memset strdup]) dnl use our included getopt if the system doesn't have getopt_long() -AC_CHECK_FUNC(getopt_long, +AC_CHECK_FUNC(getopt_long, AC_DEFINE(HAVE_GETOPT_LONG,, [Define if the local libc includes getopt_long()] ),[ |