configure.ac: Enable cross-compilation

Stop using PKG_CHECK_MODULES() since that macro is not compatible with
cross-compilation.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

README

@@ -9,7 +9,6 @@ Before compilation
 
 You should install the following packages.
  - libuuid-devel or uuid-dev
- - pkg-config
  - autoconf
  - libtool
  - libselinux1-dev

configure.ac

@@ -53,6 +53,12 @@ AC_PATH_PROG([LDCONFIG], [ldconfig],
        [$PATH:/sbin])
 
 # Checks for libraries.
+AC_CHECK_LIB([blkid], [blkid_probe_all],
+	[AC_SUBST([libblkid_LIBS], ["-lblkid"])
+		AC_DEFINE([HAVE_LIBBLKID], [1],
+		[Define if you have libblkid])
+	], [], [])
+
 AC_CHECK_LIB([lzo2], [main],
 	[AC_SUBST([liblzo2_LIBS], ["-llzo2"])
 		AC_DEFINE([HAVE_LIBLZO2], [1],
@@ -65,37 +71,22 @@ AC_CHECK_LIB([lz4], [main],
 		[Define if you have liblz4])
 	], [], [])
 
-PKG_CHECK_MODULES([libuuid], [uuid])
+AC_CHECK_LIB([selinux], [getcon],
+	[AC_SUBST([libselinux_LIBS], ["-lselinux"])
+		AC_DEFINE([HAVE_LIBSELINUX], [1],
+		[Define if you have libselinux])
+	], [], [])
 
-AS_IF([test "x$with_selinux" != "xno"],
-	[PKG_CHECK_MODULES([libselinux], [libselinux],
-	                   [have_selinux=yes], [have_selinux=no])],
-	[have_selinux=no]
-)
-
-AS_IF([test "x$have_selinux" = "xyes"],
-	[AC_DEFINE([HAVE_LIBSELINUX], [1], [Use libselinux])],
-	[AS_IF([test "x$with_selinux" = "xyes"],
-		[AC_MSG_ERROR([selinux support requested but libselinux not found])]
-	)]
-)
-
-AS_IF([test "x$with_blkid" != "xno"],
-	[PKG_CHECK_MODULES([libblkid], [blkid],
-	                   [have_blkid=yes], [have_blkid=no])],
-	[have_blkid=no]
-)
-
-AS_IF([test "x$have_blkid" = "xyes"],
-	[AC_DEFINE([HAVE_LIBBLKID], [1], [Use blkid])],
-	[AS_IF([test "x$with_blkid" = "xyes"],
-		[AC_MSG_ERROR([blkid support requested but libblkid not found])]
-	)]
-)
+AC_CHECK_LIB([uuid], [uuid_clear],
+	[AC_SUBST([libuuid_LIBS], ["-luuid"])
+		AC_DEFINE([HAVE_LIBUUID], [1],
+		[Define if you have libuuid])
+	], [], [])
 
 # Checks for header files.
 AC_CHECK_HEADERS(m4_flatten([
 	attr/xattr.h
+	blkid/blkid.h
 	byteswap.h
 	fcntl.h
 	linux/blkzoned.h
@@ -110,6 +101,7 @@ AC_CHECK_HEADERS(m4_flatten([
 	mach/mach_time.h
 	mntent.h
 	scsi/sg.h
+	selinux/selinux.h
 	stdlib.h
 	string.h
 	sys/acl.h
@@ -120,6 +112,7 @@ AC_CHECK_HEADERS(m4_flatten([
 	sys/utsname.h
 	sys/xattr.h
 	unistd.h
+	uuid/uuid.h
 ]))
 
 # Checks for typedefs, structures, and compiler characteristics.

mkfs/f2fs_format.c

@@ -18,7 +18,7 @@
 #include <sys/mount.h>
 #endif
 #include <time.h>
-#include <uuid.h>
+#include <uuid/uuid.h>
 
 #include "f2fs_fs.h"
 #include "quota.h"

mkfs/f2fs_format_main.c

@@ -19,13 +19,13 @@
 #include <sys/mount.h>
 #endif
 #include <time.h>
-#include <uuid.h>
+#include <uuid/uuid.h>
 #include <errno.h>
 #include <getopt.h>
 
 #include "config.h"
 #ifdef HAVE_LIBBLKID
-#include <blkid.h>
+#include <blkid/blkid.h>
 #endif
 
 #include "f2fs_fs.h"

tools/f2fscrypt.c

@@ -43,7 +43,7 @@
 #ifdef __KERNEL__
 #include <linux/fs.h>
 #endif
-#include <uuid.h>
+#include <uuid/uuid.h>
 
 #if !defined(HAVE_ADD_KEY) || !defined(HAVE_KEYCTL)
 #include <sys/syscall.h>