[Bug 644] New: Problems with ESP Ghostscript 7.07.1 and a system libpng

blfs-bugs at linuxfromscratch.org blfs-bugs at linuxfromscratch.org
Mon Mar 8 15:54:48 PST 2004


           Summary: Problems with ESP Ghostscript 7.07.1 and a system libpng
           Product: Beyond LinuxFromScratch
           Version: CVS
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: BOOK
        AssignedTo: blfs-book at linuxfromscratch.org
        ReportedBy: lizardo at linuxfromscratch.org
         QAContact: blfs-book at linuxfromscratch.org


The current stable espgs version (7.07.1) has a bug which prevents a
system libpng from being detected, so to build a gs binary with PNG
support, we have necessarily to unpack the lipng package inside the
espgs source dir.

The patch
backported from CVS, fixes this issue. Unfortunately, this fix exposed
another bug when compiling the shared library (see
http://www.cups.org/str.php?L602 for details). For this specific bug, we
don't need a patch, only a instruction modification.

Finally, the following changes are suggested to resolve this issue:
- Add the espgs-7.07.1-libpng_check.patch to the ESP Ghostscript section
  marked as "required".
- Change the the shared library compilation instruction to:

make CFLAGS_SO='-fPIC $(ACDEFS)' so

The upcoming 7.07.2 version is supposed to fix these bugs.

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