chiark / gitweb /
build-sys: better test for pkg-config/pkg.m4
[elogind.git] / configure.ac
index f0beb1fc150e04af224e1ca1e0285ae20386bfb2..7d73ed27b2e1157fed220e6a66f6ed60b3543752 100644 (file)
@@ -43,12 +43,14 @@ AM_PROG_CC_C_O
 AC_PROG_GCC_TRADITIONAL
 AC_USE_SYSTEM_EXTENSIONS
 
-CC_CHECK_CFLAGS_APPEND([-Wall -W -Wextra -pipe -Wno-long-long -Winline -Wvla -Wno-overlength-strings -Wunsafe-loop-optimizations -Wundef -Wformat=2 -Wlogical-op -Wsign-compare -Wformat-security -Wmissing-include-dirs -Wformat-nonliteral -Wold-style-definition -Wpointer-arith -Winit-self -Wdeclaration-after-statement -Wfloat-equal -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls -Wmissing-declarations -Wmissing-noreturn -Wshadow -Wendif-labels -Wcast-align -Wstrict-aliasing=2 -Wwrite-strings -Wno-unused-parameter -ffast-math -Wp,-D_FORTIFY_SOURCE=2 -fno-common -fdiagnostics-show-option -Wno-missing-field-initializers])
+CC_CHECK_CFLAGS_APPEND([-Wall -W -Wextra -pipe -Wno-long-long -Winline -Wvla -Wno-overlength-strings -Wundef -Wformat=2 -Wlogical-op -Wsign-compare -Wformat-security -Wmissing-include-dirs -Wformat-nonliteral -Wold-style-definition -Wpointer-arith -Winit-self -Wdeclaration-after-statement -Wfloat-equal -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls -Wmissing-declarations -Wmissing-noreturn -Wshadow -Wendif-labels -Wcast-align -Wstrict-aliasing=2 -Wwrite-strings -Wno-unused-parameter -ffast-math -Wp,-D_FORTIFY_SOURCE=2 -fno-common -fdiagnostics-show-option -Wno-missing-field-initializers])
 
 AC_SEARCH_LIBS([clock_gettime], [rt], [], [AC_MSG_ERROR([*** POSIX RT library not found])])
 AC_SEARCH_LIBS([cap_init], [cap], [], [AC_MSG_ERROR([*** POSIX caps library not found])])
 AC_CHECK_HEADERS([sys/capability.h], [], [AC_MSG_ERROR([*** POSIX caps headers not found])])
 
+# This makes sure pkg.m4 is available.
+m4_pattern_forbid([^_?PKG_[A-Z_]+$],[pkg.m4 missing, please install pkg-config])
 PKG_CHECK_MODULES(UDEV, [ libudev ])
 AC_SUBST(UDEV_CFLAGS)
 AC_SUBST(UDEV_LIBS)
@@ -61,19 +63,108 @@ PKG_CHECK_MODULES(DBUSGLIB, [ dbus-glib-1 ])
 AC_SUBST(DBUSGLIB_CFLAGS)
 AC_SUBST(DBUSGLIB_LIBS)
 
-PKG_CHECK_MODULES(GEE, [ gee-1.0 ])
-AC_SUBST(GEE_CFLAGS)
-AC_SUBST(GEE_LIBS)
-
 PKG_CHECK_MODULES(GTK, [ gtk+-2.0 ])
 AC_SUBST(GTK_CFLAGS)
 AC_SUBST(GTK_LIBS)
 
-PKG_CHECK_MODULES(CGROUP, [ libcgroup ])
+PKG_CHECK_MODULES( CGROUP, [ libcgroup >= 0.35 ], [],
+    [AC_CHECK_HEADER( [libcgroup.h], [], [AC_MSG_ERROR([*** libcgroup.h not found])], )
+     save_CPPFLAGS="$CPPFLAGS"
+     save_LIBS="$LIBS"
+     CGROUP_LIBS=${CGROUP_LIBS:--lcgroup}
+     LIBS="$LIBS $CGROUP_LIBS"
+     CPPFLAGS="$CPPFLAGS $CGROUP_CFLAGS"
+     AC_MSG_CHECKING([for libcgroup >= 0.35])
+     AC_LINK_IFELSE(
+         [AC_LANG_PROGRAM([[#include <libcgroup.h>]], [[ CGFLAG_DELETE_RECURSIVE; cgroup_init(); ]])],
+         [AC_MSG_RESULT([yes])],
+         [AC_MSG_RESULT([no]); AC_MSG_ERROR([*** systemd needs libcgroup 0.35 or newer])],
+         [${CGROUP_LIBS}])
+     CPPFLAGS="$save_CPPFLAGS"
+     LIBS="$save_LIBS"
+    ])
+
 AC_SUBST(CGROUP_CFLAGS)
 AC_SUBST(CGROUP_LIBS)
 
 AM_PROG_VALAC()
 AC_SUBST(VAPIDIR)
 
+AC_ARG_WITH(distro, AS_HELP_STRING([--with-distro=DISTRO],[Specify the distribution to target: One of fedora, suse, debian, or none]))
+if test "z$with_distro" = "z"; then
+        if test "$cross_compiling" = yes; then
+                AC_MSG_WARN([Target distribution cannot be reliably detected when cross-compiling. You should specify it with --with-distro (see $0 --help for recognized distros)])
+        else
+                AC_CHECK_FILE(/etc/redhat-release,with_distro="fedora")
+                AC_CHECK_FILE(/etc/SuSE-release,with_distro="suse")
+                AC_CHECK_FILE(/etc/debian_version,with_distro="debian")
+                AC_CHECK_FILE(/etc/arch-release,with_distro="arch")
+        fi
+        if test "z$with_distro" = "z"; then
+                with_distro=`uname -s`
+        fi
+fi
+with_distro=`echo ${with_distro} | tr '[[:upper:]]' '[[:lower:]]' `
+
+case $with_distro in
+        fedora)
+                SYSTEM_SYSVINIT_PATH=/etc/rc.d/init.d
+                SYSTEM_SYSVRCND_PATH=/etc/rc.d
+                special_dbus_service=messagebus.service
+                special_syslog_service=rsyslog.service
+                AC_DEFINE(TARGET_FEDORA, [], [Target is Fedora/RHEL])
+                ;;
+        suse)
+                SYSTEM_SYSVINIT_PATH=/etc/init.d
+                SYSTEM_SYSVRCND_PATH=/etc/init.d
+                special_dbus_service=dbus.service
+                special_syslog_service=syslog.service
+                AC_DEFINE(TARGET_SUSE, [], [Target is OpenSUSE/SLES])
+                ;;
+        debian)
+                SYSTEM_SYSVINIT_PATH=/etc/init.d
+                SYSTEM_SYSVRCND_PATH=/etc
+                special_dbus_service=dbus.service
+                special_syslog_service=sysklogd.service
+                AC_DEFINE(TARGET_DEBIAN, [], [Target is Debian/Ubuntu])
+                ;;
+        arch)
+                SYSTEM_SYSVINIT_PATH=/etc/rc.d
+                SYSTEM_SYSVRCND_PATH=/etc
+                special_dbus_service=dbus.service
+                special_syslog_service=syslog-ng.service
+                AC_DEFINE(TARGET_ARCH, [], [Target is ArchLinux])
+                ;;
+        none)
+                SYSTEM_SYSVINIT_PATH=/fix/the/configure/script
+                SYSTEM_SYSVRCND_PATH=/fix/the/configure/script
+                special_dbus_service=fix-the-configure-script.service
+                special_syslog_service=fix-the-configure-script.service
+                ;;
+        *)
+                AC_MSG_ERROR([Your distribution (${with_distro}) is not yet supported, SysV init scripts could not be found! (patches welcome); you can specify --with-distro=none to skip this check])
+                ;;
+esac
+
+AC_SUBST(SYSTEM_SYSVINIT_PATH)
+AC_SUBST(SYSTEM_SYSVRCND_PATH)
+
+AM_CONDITIONAL(TARGET_FEDORA, test x"$with_distro" = xfedora)
+AM_CONDITIONAL(TARGET_SUSE, test x"$with_distro" = xsuse)
+AM_CONDITIONAL(TARGET_DEBIAN, test x"$with_distro" = xdebian)
+AM_CONDITIONAL(TARGET_ARCH, test x"$with_distro" = xarch)
+
+AC_DEFINE_UNQUOTED(SPECIAL_DBUS_SERVICE, ["$special_dbus_service"], [D-Bus service name])
+AC_DEFINE_UNQUOTED(SPECIAL_SYSLOG_SERVICE, ["$special_syslog_service"], [syslog service name])
+
 AC_OUTPUT([Makefile])
+
+echo "
+        $PACKAGE_NAME $VERSION
+
+        Distribution:            ${with_distro}
+        SysV init scripts:       ${SYSTEM_SYSVINIT_PATH}
+        SysV rc?.d directories:  ${SYSTEM_SYSVRCND_PATH}
+        Syslog service:          ${special_syslog_service}
+        D-Bus service:           ${special_dbus_service}
+"