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219 lines
8.7 KiB
Text
219 lines
8.7 KiB
Text
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Installing libpng version 1.2.24 - December 14, 2007
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On Unix/Linux and similar systems, you can simply type
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./configure [--prefix=/path]
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make check
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make install
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and ignore the rest of this document.
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If configure does not work on your system and you have a reasonably
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up-to-date set of tools, running ./autogen.sh before running ./configure
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may fix the problem. You can also run the individual commands in
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autogen.sh with the --force option, if supported by your version of
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the tools. If you run 'libtoolize --force', though, this will replace
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the distributed, patched, version of ltmain.sh with an unpatched version
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and your shared library builds may fail to produce libraries with the
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correct version numbers.
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Instead, you can use one of the custom-built makefiles in the
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"scripts" directory
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cp scripts/makefile.system makefile
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make test
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make install
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Or you can use one of the "projects" in the "projects" directory.
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If you want to use "cmake" (see www.cmake.org), copy CMakeLists.txt
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from the "scripts" directory to this directory and type
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cmake . [-DPNG_MMX=YES] -DCMAKE_INSTALL_PREFIX=/path
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make
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make install
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Before installing libpng, you must first install zlib, if it
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is not already on your system. zlib can usually be found
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wherever you got libpng. zlib can be placed in another directory,
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at the same level as libpng.
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If your system already has a preinstalled zlib you will still need
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to have access to the zlib.h and zconf.h include files that
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correspond to the version of zlib that's installed.
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You can rename the directories that you downloaded (they
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might be called "libpng-1.2.24" or "lpng109" and "zlib-1.2.1"
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or "zlib121") so that you have directories called "zlib" and "libpng".
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Your directory structure should look like this:
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.. (the parent directory)
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libpng (this directory)
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INSTALL (this file)
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README
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*.h
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*.c
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contrib
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gregbook
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pngminus
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pngsuite
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visupng
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projects
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beos
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c5builder (Borland)
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visualc6 (msvc)
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netware.txt
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wince.txt
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scripts
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makefile.*
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pngtest.png
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etc.
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zlib
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README
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*.h
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*.c
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contrib
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etc.
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If the line endings in the files look funny, you may wish to get the other
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distribution of libpng. It is available in both tar.gz (UNIX style line
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endings) and zip (DOS style line endings) formats.
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If you are building libpng with MSVC, you can enter the
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libpng projects\visualc6 directory and follow the instructions in
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projects\visualc6\README.txt.
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You can build libpng for WindowsCE by downloading and installing
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the projects\wince directory as instructed in the projects\wince.txt file, and
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then following the instructions in the README* files. Similarly, you can
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build libpng for Netware or Beos as instructed in projects\netware.txt
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or projects\beos.
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Else enter the zlib directory and follow the instructions in zlib/README,
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then come back here and run "configure" or choose the appropriate
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makefile.sys in the scripts directory.
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The files that are presently available in the scripts directory
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include
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CMakeLists.txt => "cmake" script
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makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
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makefile.elf => Linux/ELF makefile symbol versioning,
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gcc, creates libpng12.so.0.1.2.24)
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makefile.linux => Linux/ELF makefile
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(gcc, creates libpng12.so.0.1.2.24)
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makefile.gcc => Generic makefile (gcc, creates static libpng.a)
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makefile.knr => Archaic UNIX Makefile that converts files with
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ansi2knr (Requires ansi2knr.c from
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ftp://ftp.cs.wisc.edu/ghost)
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makefile.aix => AIX/gcc makefile
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makefile.cygwin => Cygwin/gcc makefile
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makefile.darwin => Darwin makefile, can use on MacosX
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makefile.dec => DEC Alpha UNIX makefile
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makefile.freebsd => FreeBSD makefile
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makefile.hpgcc => HPUX makefile using gcc
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makefile.hpux => HPUX (10.20 and 11.00) makefile
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makefile.hp64 => HPUX (10.20 and 11.00) makefile, 64-bit
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makefile.ibmc => IBM C/C++ version 3.x for Win32 and OS/2 (static)
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makefile.intel => Intel C/C++ version 4.0 and later
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libpng.icc => Project file for IBM VisualAge/C++ version 4.0 or later
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makefile.netbsd => NetBSD/cc makefile, uses PNGGCCRD, makes libpng.so.
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makefile.ne12bsd => NetBSD/cc makefile, uses PNGGCCRD,
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makes libpng12.so
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makefile.openbsd => OpenBSD makefile
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makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib)
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makefile.sggcc => Silicon Graphics (gcc,
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creates libpng12.so.0.1.2.24)
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makefile.sunos => Sun makefile
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makefile.solaris => Solaris 2.X makefile (gcc,
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creates libpng12.so.0.1.2.24)
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makefile.solaris-x86 => Solaris/intelMMX 2.X makefile (gcc,
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creates libpng12.so.0.1.2.24)
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makefile.so9 => Solaris 9 makefile (gcc,
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creates libpng12.so.0.1.2.24)
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makefile.32sunu => Sun Ultra 32-bit makefile
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makefile.64sunu => Sun Ultra 64-bit makefile
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makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc
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makefile.mips => MIPS makefile
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makefile.acorn => Acorn makefile
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makefile.amiga => Amiga makefile
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smakefile.ppc => AMIGA smakefile for SAS C V6.58/7.00 PPC compiler
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(Requires SCOPTIONS, copied from scripts/SCOPTIONS.ppc)
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makefile.atari => Atari makefile
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makefile.beos => BEOS makefile for X86
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makefile.bor => Borland makefile (uses bcc)
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makefile.bc32 => 32-bit Borland C++ (all modules compiled in C mode)
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makefile.tc3 => Turbo C 3.0 makefile
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makefile.dj2 => DJGPP 2 makefile
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makefile.msc => Microsoft C makefile
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makefile.vcwin32 => makefile for Microsoft Visual C++ 4.0 and later
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makefile.os2 => OS/2 Makefile (gcc and emx, requires pngos2.def)
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pngos2.def => OS/2 module definition file used by makefile.os2
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makefile.watcom => Watcom 10a+ Makefile, 32-bit flat memory model
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makevms.com => VMS build script
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descrip.mms => VMS makefile for MMS or MMK
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SCOPTIONS.ppc => Used with smakefile.ppc
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Copy the file (or files) that you need from the
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scripts directory into this directory, for example
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MSDOS example: copy scripts\makefile.msc makefile
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UNIX example: cp scripts/makefile.std makefile
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Read the makefile to see if you need to change any source or
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target directories to match your preferences.
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Then read pngconf.h to see if you want to make any configuration
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changes.
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Then just run "make" which will create the libpng library in
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this directory and "make test" which will run a quick test that reads
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the "pngtest.png" file and writes a "pngout.png" file that should be
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identical to it. Look for "9782 zero samples" in the output of the
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test. For more confidence, you can run another test by typing
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"pngtest pngnow.png" and looking for "289 zero samples" in the output.
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Also, you can run "pngtest -m contrib/pngsuite/*.png" and compare
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your output with the result shown in contrib/pngsuite/README.
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Most of the makefiles will allow you to run "make install" to
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put the library in its final resting place (if you want to
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do that, run "make install" in the zlib directory first if necessary).
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Some also allow you to run "make test-installed" after you have
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run "make install".
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If you encounter a compiler error message complaining about the
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lines
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__png.h__ already includes setjmp.h;
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__dont__ include it again.;
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This means you have compiled another module that includes setjmp.h,
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which is hazardous because the two modules might not include exactly
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the same setjmp.h. If you are sure that you know what you are doing
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and that they are exactly the same, then you can comment out or
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delete the two lines. Better yet, use the cexcept interface
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instead, as demonstrated in contrib/visupng of the libpng distribution.
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Further information can be found in the README and libpng.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 need to add to configure explicitly,
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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/png12, or whatever.
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