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[libpng15] Added "Common linking failures" section to INSTALL.
This commit is contained in:
Glenn Randers-Pehrson
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5
ANNOUNCE
5
ANNOUNCE
@ -1,5 +1,5 @@
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Libpng 1.5.28beta01 - June 4, 2016
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Libpng 1.5.28beta01 - July 2, 2016
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This is not intended to be a public release. It will be replaced
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within a few weeks by a public version or by another test version.
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@ -26,10 +26,11 @@ Other information:
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Changes since the last public release (1.5.27):
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version 1.5.28beta01 [June 4, 2016]
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version 1.5.28beta01 [July 2, 2016]
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Merge with current libpng16 pngvalid.c
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Fixed undefined behavior in png_push_save_buffer(). Do not call
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memcpy() with a null source, even if count is zero (Leon Scroggins III).
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Added "Common linking failures" section to INSTALL.
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Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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(subscription required; visit
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3
CHANGES
3
CHANGES
@ -4496,10 +4496,11 @@ version 1.5.27rc01 [May 14, 2016]
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version 1.5.27 [May 26, 2016]
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No changes.
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version 1.5.28beta01 [June 4, 2016]
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version 1.5.28beta01 [July 2, 2016]
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Merge with current libpng16 pngvalid.c
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Fixed undefined behavior in png_push_save_buffer(). Do not call
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memcpy() with a null source, even if count is zero (Leon Scroggins III).
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Added "Common linking failures" section to INSTALL.
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Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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(subscription required; visit
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49
INSTALL
49
INSTALL
@ -17,8 +17,9 @@ VIII. Configuring libpng for 16-bit platforms
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XII. Configuring for compiler xxx:
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XIII. Removing unwanted object code
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XIV. Changes to the build and configuration of libpng in libpng-1.5.x
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XV. Configuring libpng for multiprocessing
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XVI. Other sources of information about libpng
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XV. Setjmp/longjmp issues
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XVI. Common linking failures
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XVII. Other sources of information about libpng
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I. Simple installation
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@ -32,6 +33,10 @@ and ignore the rest of this document. "/path" is the path to the directory
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where you want to install the libpng "lib", "include", and "bin"
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subdirectories.
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If you downloaded a GIT clone, you will need to run ./autogen.sh before
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running ./configure, to create "configure" and "Makefile.in" which are
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not included in the GIT repository.
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Note that "configure" is only included in the "*.tar" distributions and not
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in the "*.zip" or "*.7z" distributions. If you downloaded one of those
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distributions, see "Building with project files" or "Building with makefiles",
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@ -43,7 +48,9 @@ If configure does not work on your system, or if you have a need to
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change configure.ac or Makefile.am, and you have a reasonably
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up-to-date set of tools, running ./autogen.sh in a git clone before
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running ./configure may fix the problem. To be really sure that you
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aren't using any of the included pre-built scripts, you can do this:
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aren't using any of the included pre-built scripts, especially if you
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are building from a tar distribution instead of a git distribution,
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do this:
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./configure --enable-maintainer-mode
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make maintainer-clean
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@ -348,7 +355,7 @@ $PREFIX/include directory). Do not edit pnglibconf.h after you have built
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libpng, because than the settings would not accurately reflect the settings
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that were used to build libpng.
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XV. Configuring libpng for multiprocessing
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XV. Setjmp/longjmp issues
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Libpng uses setjmp()/longjmp() for error handling. Unfortunately setjmp()
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is known to be not thread-safe on some platforms and we don't know of
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@ -361,28 +368,20 @@ configure libpng with PNG_NO_SETJMP in your pngusr.dfa file, with
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in your pnglibconf.h or pngusr.h.
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XVI. Other sources of information about libpng:
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XVI. Common linking failures
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If your application fails to find libpng or zlib entries while linking:
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Be sure "-lz" appears after "-lpng" on your linking command.
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Be sure you have built libpng, zlib, and your application for the
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same platform (e.g., 32-bit or 64-bit).
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If you are using the vstudio project, observe the WARNING in
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project/vstudio/README.txt.
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XVII. Other sources of information about libpng:
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Further information can be found in the README and libpng-manual.txt
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files, in the individual makefiles, in png.h, and the manual pages
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libpng.3 and png.5.
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Using the ./configure script -- 16 December 2002.
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=================================================
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The ./configure script should work compatibly with what scripts/makefile.*
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did, however there are some options you might need to add to configure
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explicitly, which previously was done semi-automatically (if you didn't edit
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scripts/makefile.* yourself, that is)
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CFLAGS="-Wall -O -funroll-loops \
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-malign-loops=2 -malign-functions=2" ./configure --prefix=/usr/include \
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--with-pkgconfigdir=/usr/lib/pkgconfig --includedir=/usr/include
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You can alternatively specify --includedir=/usr/include, /usr/local/include,
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/usr/include/libpng15, or whatever.
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If you find that the configure script is out-of-date or is not supporting
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your platform properly, try running autogen.sh to regenerate "configure",
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"Makefile.in", and the other configuration files. Then try configure again.
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