diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 123 |
1 files changed, 67 insertions, 56 deletions
diff --git a/configure.ac b/configure.ac index 485cc16..e3ceb75 100644 --- a/configure.ac +++ b/configure.ac @@ -4,26 +4,23 @@ AC_INIT(random-seed, 0.1) AC_CONFIG_MACRO_DIRS([m4]) AC_LANG(C) - -AC_CONFIG_HEADERS(config.h) AC_PROG_CC - AC_PROG_CC_C99 -AS_IF([test "$ac_cv_prog_cc_c99" = no], - [AC_MSG_ERROR([a C99 compatible compiler is required])]) - -CPPFLAGS="${CPPFLAGS+$CPPFLAGS }-D_GNU_SOURCE -D_DEFAULT_SOURCE -D_POSIX_C_SOURCE=200809L" +AS_IF([test "$ac_cv_prog_cc_c99" = no], [ + AC_MSG_ERROR([a C99 compatible compiler is required]) +]) -AC_ARG_ENABLE(debug, - AC_HELP_STRING(--enable-debug, [enable debug output [no]]), - [enable_debug=$enableval], - [enable_debug=no] +AC_ARG_ENABLE(unity, + AC_HELP_STRING(--enable-unity, [enable unity build (similar to sqlite amalgamation) [yes]]), + [enable_unity=$enableval], + [enable_unity=yes] ) -AS_CASE([$enable_debug], - [yes], [AC_DEFINE(DEBUG, [], [enable debug output])], - [no], [], - [AC_MSG_ERROR([invalid argument to --enable-debug])] +AS_CASE([$enable_unity], + [no], [UNITY=], + [yes], [UNITY=1], + [AC_MSG_ERROR([invalid argument to --enable-unity])] ) +AC_SUBST(UNITY) AC_ARG_WITH(udev, AC_HELP_STRING(--with-udev, [enable libudev support [auto]]), @@ -32,68 +29,82 @@ AC_ARG_WITH(udev, ) AS_CASE([$with_udev], [no], [], - [yes], [ PKG_CHECK_MODULES(LIBUDEV, libudev, [WITH_UDEV=1]) ], - [auto], [ PKG_CHECK_MODULES(LIBUDEV, libudev, [WITH_UDEV=1], []) ], + [yes], [ + PKG_CHECK_MODULES(LIBUDEV, libudev) + ], + [auto], [ + PKG_CHECK_MODULES(LIBUDEV, libudev, [with_udev=yes], [with_udev=no]) + ], [AC_MSG_ERROR([invalid argument to --with-udev])] ) -AS_IF([test "$WITH_UDEV" = 1], [ +AS_IF([test "$with_udev" = yes], [ AC_DEFINE(HAVE_LIBUDEV, [], [enable libudev support]) - CFLAGS="${CFLAGS:+$CFLAGS }$LIBUDEV_CFLAGS" - LIBS="${LIBS:+$LIBS }$LIBUDEV_LIBS" + AX_APPEND_FLAG($LIBUDEV_CFLAGS, CFLAGS) + AX_APPEND_FLAG($LIBUDEV_LIBS, LIBS) ]) AC_ARG_WITH(util-linux, - AC_HELP_STRING(--with-util-linux, [enable util-linux support (libmount, libblkid) [auto]]), + AC_HELP_STRING(--with-util-linux, [enable util-linux support (libmount, libblkid) [yes]]), [with_util_linux=$withval], - [with_util_linux=auto] + [with_util_linux=yes] ) AS_CASE([$with_util_linux], [no], [], [yes], [ PKG_CHECK_MODULES(LIBBLKID, blkid) PKG_CHECK_MODULES(LIBMOUNT, mount) - WITH_UTIL_LINUX=1 ], [auto], [ - WITH_UTIL_LINUX=1 - PKG_CHECK_MODULES(LIBBLKID, blkid, [], [WITH_UTIL_LINUX=0]) - PKG_CHECK_MODULES(LIBMOUNT, mount, [], [WITH_UTIL_LINUX=0]) + with_util_linux=yes + PKG_CHECK_MODULES(LIBBLKID, blkid, [], [with_util_linux=no]) + PKG_CHECK_MODULES(LIBMOUNT, mount, [], [with_util_linux=no]) ], - [AC_MSG_ERROR([invalid argument to --with-udev])] + [AC_MSG_ERROR([invalid argument to --with-util-linux])] ) -AS_IF([test "$WITH_UTIL_LINUX" = 1], [ +AS_IF([test "$with_util_linux" = yes], [ AC_DEFINE(HAVE_UTIL_LINUX, [], [enable util-linux support]) - CFLAGS="${CFLAGS:+$CFLAGS }$LIBBLKID_CFLAGS $LIBMOUNT_CFLAGS" - LIBS="${LIBS:+$LIBS }$LIBBLKID_LIBS $LIBMOUNT_LIBS" + AX_APPEND_FLAG($LIBBLKID_CFLAGS $LIBMOUNT_CFLAGS, CFLAGS) + AX_APPEND_FLAG($LIBBLKID_LIBS $LIBMOUNT_LIBS, LIBS) ]) -AC_ARG_WITH([machine-id-path], - AC_HELP_STRING(--with-machine-id-path, [manually specify machine-id location [/etc/machine-id, /var/lib/dbus/machine-id]]), - [machine_id_path=$withval] -) -AS_IF([test -n "$machine_id_path"], - [ - AS_CASE($machine_id_path, - [/*], [], - [AC_MSG_ERROR([relative machine id path is invalid])] - ) - AC_DEFINE_UNQUOTED(MACHINE_ID_PATH, "$machine_id_path", [machine id location]) - ] -) +PKG_CHECK_VAR(SYSTEMDSYSTEMUNITDIR, systemd, systemdsystemunitdir) -AC_ARG_WITH([default-seed-path], - AC_HELP_STRING(--with-default-seed-path, [default seed path if no command line argument [/var/lib/random-seed]]), - [default_seed_path=$withval], - [default_seed_path=/var/lib/random-seed] +machine_id_paths_default=/etc/machine-id:/var/lib/dbus/machine-id +AC_ARG_VAR([MACHINE_ID_PATHS], + [manually specify machine-id location (colon separated list, values must not contain backslashes or quotes) [$machine_id_paths_default]] ) -AC_DEFINE_UNQUOTED(DEFAULT_SEED_PATH, "$default_seed_path", [default seed path]) -default_seed_path_dir=${default_seed_path%/*} -AC_SUBST(default_seed_path_dir) +machine_id_paths_c=` + printf '%s\n' "${MACHINE_ID_PATHS-$machine_id_paths_default}" | + sed -e ' + s/^/{"/ + s/:/", "/g + s/$/"}/ + ' +` +AC_DEFINE_UNQUOTED(THE_MACHINE_ID_PATHS, $machine_id_paths_c, [machine id location]) + +AC_ARG_VAR([DEFAULT_RANDOM_SEED_PATH], [default seed path if no command line argument [/var/lib/random-seed]]) +AS_IF([test -z "$DEFAULT_RANDOM_SEED_PATH"], [ + DEFAULT_RANDOM_SEED_PATH=/var/lib/random-seed +]) +AC_DEFINE_UNQUOTED(DEFAULT_SEED_PATH, "$DEFAULT_SEED_PATH", [default seed path]) +# everybody has POSIX shell now. +DEFAULT_SEED_PATH_DIR=${DEFAULT_SEED_PATH%/*} +AC_SUBST(DEFAULT_SEED_PATH_DIR) -EXTRA_CFLAGS= -AX_CHECK_COMPILE_FLAG(-Wall, [EXTRA_CFLAGS="-Wall${EXTRA_CFLAGS+ $EXTRA_CFLAGS}"]) -AX_CHECK_COMPILE_FLAG(-Wextra, [EXTRA_CFLAGS="-Wextra${EXTRA_CFLAGS+ $EXTRA_CFLAGS}"]) -AX_CHECK_COMPILE_FLAG(-pedantic, [EXTRA_CFLAGS="-pedantic${EXTRA_CFLAGS+ $EXTRA_CFLAGS}"]) -AC_SUBST(EXTRA_CFLAGS) +AX_GCC_FUNC_ATTRIBUTE(fallthrough) -AC_OUTPUT(Makefile) +AX_APPEND_FLAG(-D_GNU_SOURCE, CPPFLAGS) +AX_APPEND_FLAG(-D_DEFAULT_SOURCE, CPPFLAGS) +AX_APPEND_FLAG(-D_POSIX_C_SOURCE=200809L, CPPFLAGS) +AX_APPEND_COMPILE_FLAGS(-Wall -Wextra -pedantic) +AX_CHECK_PREPROC_FLAG(-MMD, [AX_APPEND_FLAG(-MMD, CPPFLAGS)]) +AX_CHECK_PREPROC_FLAG(-MP, [AX_APPEND_FLAG(-MP, CPPFLAGS)]) + +AC_CONFIG_HEADERS(config.h) +AC_CONFIG_FILES(Makefile) +AC_OUTPUT + +AS_IF([test "$with_udev" != yes && test "$with_util_linux" != yes], [ + AC_MSG_WARN([without udev or util-linux, functionality is severely limited and may be insecure. please read the README before continuing.]) +]) |