diff options
Diffstat (limited to 'configure.ac')
-rw-r--r-- | configure.ac | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 813238a..e157917 100644 --- a/configure.ac +++ b/configure.ac @@ -1,5 +1,10 @@ +# SPDX-License-Identifier: BSD-3-Clause + AC_INIT(random-seed, 0.1) +AC_CONFIG_MACRO_DIRS([m4]) + AC_LANG(C) + AC_CONFIG_HEADERS(config.h) AC_PROG_CC @@ -7,7 +12,7 @@ AC_PROG_CC_C99 AS_IF([test "$ac_cv_prog_cc_c99" = no], [AC_MSG_ERROR([a C99 compatible compiler is required])]) -CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE -D_DEFAULT_SOURCE -D_POSIX_C_SOURCE=200809L" +CPPFLAGS="${CPPFLAGS+$CPPFLAGS }-D_GNU_SOURCE -D_DEFAULT_SOURCE -D_POSIX_C_SOURCE=200809L" PKG_CHECK_VAR(systemdsystemunitdir, systemd, systemdsystemunitdir) @@ -44,4 +49,8 @@ AC_DEFINE_UNQUOTED(DEFAULT_SEED_PATH, "$default_seed_path", [default seed path]) default_seed_path_dir=${default_seed_path%/*} AC_SUBST(default_seed_path_dir) +AX_CHECK_COMPILE_FLAG(-Wall, [CFLAGS="-Wall${CFLAGS+ $CFLAGS}"]) +AX_CHECK_COMPILE_FLAG(-Wextra, [CFLAGS="-Wextra${CFLAGS+ $CFLAGS}"]) +AX_CHECK_COMPILE_FLAG(-pedantic, [CFLAGS="-pedantic${CFLAGS+ $CFLAGS}"]) + AC_OUTPUT(Makefile) |