Cleaned up the external variables definition mess...

[dump.git] / configure.in

diff --git a/configure.in b/configure.in
index a7b608e18678df78c6282e54962a2baf6770685b..fc2896719fb26eafd0edb5a6c4bec089ad0b3059 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -299,13 +299,22 @@ if test "$ext2fs_h" = no -o "$ext2fs_lib" = no; then
        AC_MSG_ERROR(You need to install the Ext2fs libraries from the E2fsprogs distribution first - hint: make install-libs)
 fi
 
+dnl
+dnl Try to use ext2_fs.h header from libext2fs instead of from the kernel
+dnl
+AC_CHECK_HEADERS(ext2fs/ext2_fs.h)
+
 dnl
 dnl Check for ext2_ino_t type
 dnl
 AC_MSG_CHECKING(for ext2_ino_t type in libext2fs headers)
 AC_TRY_COMPILE([#include <stdio.h>
+#ifdef HAVE_EXT2FS_EXT2_FS_H
+#include <ext2fs/ext2_fs.h>
+#else
 #include <linux/ext2_fs.h>
-#include <ext2fs/ext2fs.h>], 
+#endif
+#include <ext2fs/ext2fs.h>],
 [ext2_ino_t ino = 0;], 
 [AC_DEFINE(HAVE_EXT2_INO_T) AC_MSG_RESULT(yes)],
 AC_MSG_RESULT(no))
@@ -315,7 +324,11 @@ dnl Check for s_journal_inum field in ext2_super_block struct
 dnl
 AC_MSG_CHECKING(for s_journal_inum field in ext2_super_block struct)
 AC_TRY_COMPILE([#include <stdio.h>
+#ifdef HAVE_EXT2FS_EXT2_FS_H
+#include <ext2fs/ext2_fs.h>
+#else
 #include <linux/ext2_fs.h>
+#endif
 #include <ext2fs/ext2fs.h>],
 [struct ext2_super_block es; es.s_journal_inum = 0;],
 [AC_DEFINE(HAVE_EXT2_JOURNAL_INUM) AC_MSG_RESULT(yes)],
@@ -327,7 +340,7 @@ dnl
 AC_CHECK_LIB(termcap, tgetent, [termcap_lib=yes], [termcap_lib=no])
 if test "$termcap_lib" = no; then
        if test "$READLINE" = "-lreadline -ltermcap"; then
-               AC_MSG_ERROR(You need to install the GNU termcap libraries first)
+               AC_MSG_ERROR(You need to install the GNU termcap library or configure without --enable-readline)
        fi
 fi
 
@@ -338,7 +351,7 @@ AC_CHECK_HEADER(readline/readline.h, [readline_h=yes], [readline_h=no])
 AC_CHECK_LIB(readline, readline, [readline_lib=yes], [readline_lib=no], "-ltermcap")
 if test "$readline_h" = no -o "$readline_lib" = no; then
        if test "$READLINE" = "-lreadline -ltermcap"; then
-               AC_MSG_ERROR(You need to install the GNU readline libraries first)
+               AC_MSG_ERROR(You need to install the GNU readline library or configure without --enable-readline)
        fi
 fi