-AC_DEFINE_UNQUOTED(SYSTEM_XPDFRC, "$system_xpdfrc",
- [Full path for the system-wide xpdfrc file.])
-
-dnl Checks for header files.
-AC_HEADER_DIRENT
-
-dnl Switch over to C++. This will make the checks below a little
-dnl bit stricter (requiring function prototypes in include files).
-dnl (99% of xpdf is written in C++.)
-AC_LANG_CPLUSPLUS
-
-dnl Look for header that defines select() and fd_set.
-AC_MSG_CHECKING([select() and fd_set in sys/select.h and sys/bsdtypes.h])
-AC_TRY_COMPILE([#include <stdlib.h>
-#include <stddef.h>
-#include <unistd.h>
-#include <sys/types.h>],
- [fd_set fds;
-select(0, NULL, NULL, NULL, NULL);], xpdf_ok=yes, xpdf_ok=no)
-if test $xpdf_ok = yes; then
- AC_MSG_RESULT([not needed])
-else
- AC_TRY_COMPILE([#include <stdlib.h>
-#include <stddef.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/select.h>],
- [fd_set fds;
-select(0, NULL, NULL, NULL, NULL);], xpdf_ok=yes, xpdf_ok=no)
- if test $xpdf_ok = yes; then
- AC_DEFINE(HAVE_SYS_SELECT_H, 1, [Have sys/select.h.])
- AC_MSG_RESULT([need sys/select.h])
- else
- AC_TRY_COMPILE([#include <stdlib.h>
-#include <stddef.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/bsdtypes.h>],
- [fd_set fds;
-select(0, NULL, NULL, NULL, NULL);], xpdf_ok=yes, xpdf_ok=no)
- if test $xpdf_ok = yes; then
- AC_DEFINE(HAVE_SYS_BSDTYPES_H, 1, [Have sys/bsdtypes.h.])
- AC_MSG_RESULT([need sys/bsdtypes.h])
- else
- AC_MSG_RESULT([problem])
- fi
- fi
+
+AC_DEFINE_UNQUOTED(GS_PATH, "$GS_PROG", [Path to the 'gs' executable.])
+
+
+dnl check for GS version
+AC_MSG_CHECKING(for Ghostscript version...)
+GS_VERSION=`gs --version | head -n 1 | sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
+AC_MSG_RESULT(found $GS_VERSION)
+if test "$GS_VERSION" -lt "7"; then
+ AC_MSG_ERROR([You need Ghostscript version >= 7 in order to run evince])