[poppler] poppler: ChangeLog,1.261,1.262 configure.ac,1.40,1.41

[Albert Astals Cid]

Update of /cvs/poppler/poppler
In directory gabe:/tmp/cvs-serv8876

Modified Files:
	ChangeLog configure.ac 
Log Message:
2005-12-18  Albert Astals Cid  <aacid at kde.org>

        * configure.ac: Better jpeg detection, refer to ml PCbsd problem


Index: ChangeLog
===================================================================
RCS file: /cvs/poppler/poppler/ChangeLog,v
retrieving revision 1.261
retrieving revision 1.262
diff -u -d -r1.261 -r1.262
--- ChangeLog	12 Dec 2005 20:21:08 -0000	1.261
+++ ChangeLog	18 Dec 2005 17:12:28 -0000	1.262
@@ -1,3 +1,7 @@
+2005-12-18  Albert Astals Cid  <aacid at kde.org>
+
+	* configure.ac: Better jpeg detection, refer to ml PCbsd problem
+	
 2005-12-12  Albert Astals Cid  <aacid at kde.org>
 
 	* poppler/Page.cc: Ignore cropBox if it seems incorrect

Index: configure.ac
===================================================================
RCS file: /cvs/poppler/poppler/configure.ac,v
retrieving revision 1.40
retrieving revision 1.41
diff -u -d -r1.40 -r1.41
--- configure.ac	12 Dec 2005 20:15:11 -0000	1.40
+++ configure.ac	18 Dec 2005 17:12:28 -0000	1.41
@@ -1,5 +1,117 @@
 dnl Based on Xpdf configure.in and evince configure.ac
 
+dnl Based on kde acinclude.m4.in, LGPL Licensed
+
+AC_DEFUN([AC_FIND_FILE],
+[
+$3=NO
+for i in $2;
+do
+  for j in $1;
+  do
+    echo "configure: __oline__: $i/$j" >&AC_FD_CC
+    if test -r "$i/$j"; then
+      echo "taking that" >&AC_FD_CC
+      $3=$i
+      break 2
+    fi
+  done
+done
+])
+
+AC_DEFUN([KDE_FIND_JPEG_HELPER],
+[
+AC_MSG_CHECKING([for libjpeg$2])
+AC_CACHE_VAL(ac_cv_lib_jpeg_$1,
+[
+ac_save_LIBS="$LIBS"
+LIBS="$all_libraries $USER_LDFLAGS -ljpeg$2 -lm"
+ac_save_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS $all_includes $USER_INCLUDES"
+AC_TRY_LINK(
+[
+#ifdef __cplusplus
+extern "C" {
+#endif
+void jpeg_CreateDecompress();
+#ifdef __cplusplus
+}
+#endif
+],
+[jpeg_CreateDecompress();],
+            eval "ac_cv_lib_jpeg_$1=-ljpeg$2",
+            eval "ac_cv_lib_jpeg_$1=no")
+LIBS="$ac_save_LIBS"
+CFLAGS="$ac_save_CFLAGS"
+])
+
+if eval "test ! \"`echo $ac_cv_lib_jpeg_$1`\" = no"; then
+  enable_libjpeg=yes
+  LIBJPEG_LIBS="$ac_cv_lib_jpeg_$1"
+  AC_MSG_RESULT($ac_cv_lib_jpeg_$1)
+else
+  AC_MSG_RESULT(no)
+  $3
+fi
+
+])
+
+AC_DEFUN([AC_FIND_JPEG],
+[
+dnl first look for libraries
+KDE_FIND_JPEG_HELPER(6b, 6b,
+   KDE_FIND_JPEG_HELPER(normal, [],
+    [
+       LIBJPEG_LIBS=
+    ]
+   )
+)
+
+dnl then search the headers (can't use simply AC_TRY_xxx, as jpeglib.h
+dnl requires system dependent includes loaded before it)
+jpeg_incdirs="$includedir /usr/include /usr/local/include "
+AC_FIND_FILE(jpeglib.h, $jpeg_incdirs, jpeg_incdir)
+test "x$jpeg_incdir" = xNO && jpeg_incdir=
+
+dnl if headers _and_ libraries are missing, this is no error, and we
+dnl continue with a warning (the user will get no jpeg support)
+dnl if only one is missing, it means a configuration error, but we still
+dnl only warn
+if test -n "$jpeg_incdir" && test -n "$LIBJPEG_LIBS" ; then
+  AC_DEFINE_UNQUOTED(ENABLE_LIBJPEG, 1, [Define if you have libjpeg])
+else
+  if test -n "$jpeg_incdir" || test -n "$LIBJPEG_LIBS" ; then
+    AC_MSG_WARN([
+There is an installation error in jpeg support. You seem to have only one
+of either the headers _or_ the libraries installed. You may need to either
+provide correct --with-extra-... options, or the development package of
+libjpeg6b. You can get a source package of libjpeg from http://www.ijg.org/
+Disabling JPEG support.
+])
+  else
+    AC_MSG_WARN([libjpeg not found. disable JPEG support.])
+  fi
+  jpeg_incdir=
+  enable_libjpeg=no
+  LIBJPEG_LIBS=
+fi
+
+AC_SUBST(LIBJPEG_LIBS)
+AH_VERBATIM(_AC_CHECK_JPEG,
+[/*
+ * jpeg.h needs HAVE_BOOLEAN, when the system uses boolean in system
+ * headers and I'm too lazy to write a configure test as long as only
+ * unixware is related
+ */
+#ifdef _UNIXWARE
+#define HAVE_BOOLEAN
+#endif
+])
+])
+
+dnl Based on kde acinclude.m4.in, LGPL Licensed
+
+
 AC_PREREQ(2.59)
 AC_INIT(poppler, 0.5.0-cvs)
 AM_INIT_AUTOMAKE(AC_PACKAGE_NAME, AC_PACKAGE_VERSION)
@@ -117,23 +229,8 @@
 	                     [Don't build against libjpeg.]),
               enable_libjpeg=$enableval,
               enable_libjpeg="try")
-if test x$enable_libjpeg = xyes; then
-  AC_CHECK_LIB([jpeg], [jpeg_destroy_decompress],,
-               AC_MSG_ERROR("*** libjpeg library not found ***))
-  AC_CHECK_HEADERS([jpeglib.h],,
-                   AC_MSG_ERROR("*** libjpeg headers not found ***))
-elif test x$enable_libjpeg = xtry; then
-  AC_CHECK_LIB([jpeg], [jpeg_destroy_decompress],
-  	       [enable_libjpeg="yes"],
-	       [enable_libjpeg="no"])
-  AC_CHECK_HEADERS([jpeglib.h],,
-		   [enable_libjpeg="no"])
-fi
-
-if test x$enable_libjpeg = xyes; then
-  LIBJPEG_LIBS="-ljpeg"
-  AC_SUBST(LIBJPEG_LIBS)
-  AC_DEFINE(ENABLE_LIBJPEG)
+if test x$enable_libjpeg != xno; then
+  AC_FIND_JPEG
 fi
 
 AM_CONDITIONAL(BUILD_LIBJPEG, test x$enable_libjpeg = xyes)