108 lines
3.0 KiB
Plaintext
108 lines
3.0 KiB
Plaintext
# configure.ac
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dnl Process this file with autoconf to produce a configure script.
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dnl
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dnl Minor upgrades (compatible ABI): increment the package version
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dnl (third field in two places below) and set the PNGLIB_MINOR
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dnl variable.
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dnl
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dnl Major upgrades (incompatible ABI): increment the package major
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dnl version (second field, or first if desired), set the minor
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dnl to 0, set PNGLIB_MAJOR below *and* follow the instructions in
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dnl Makefile.am to upgrade the package name.
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dnl This is here to prevent earlier autoconf from being used, it
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dnl should not be necessary to regenerate configure if the time
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dnl stamps are correct
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AC_PREREQ(2.59)
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dnl Version number stuff here:
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AC_INIT([libpng], [1.2.9beta4], [png-mng-implement@lists.sourceforge.net])
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AM_INIT_AUTOMAKE
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dnl stop configure from automagically running automake
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AM_MAINTAINER_MODE
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PNGLIB_VERSION=1.2.9beta4
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PNGLIB_MAJOR=12
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PNGLIB_MINOR=9
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dnl End of version number stuff
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AC_CONFIG_SRCDIR([pngget.c])
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AM_CONFIG_HEADER([config.h])
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# Checks for programs.
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AC_PROG_CC
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AC_PROG_INSTALL
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AC_PROG_LN_S
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AC_PROG_MAKE_SET
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AC_PROG_LIBTOOL
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# Checks for header files.
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AC_HEADER_STDC
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AC_CHECK_HEADERS([malloc.h stdlib.h string.h strings.h])
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# Checks for typedefs, structures, and compiler characteristics.
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AC_C_CONST
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AC_TYPE_SIZE_T
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AC_STRUCT_TM
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# Checks for library functions.
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AC_FUNC_MALLOC
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AC_FUNC_STRTOD
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AC_CHECK_FUNCS([memset], , AC_ERROR([memset not found in libc]))
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AC_CHECK_FUNCS([pow], , AC_CHECK_LIB(m, pow,, AC_ERROR([cannot find pow])) )
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AC_CHECK_LIB(z, zlibVersion,, AC_ERROR([zlib not installed]))
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# Substitutions for .in files
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AC_SUBST(PNGLIB_VERSION)
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AC_SUBST(PNGLIB_MAJOR)
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AC_SUBST(PNGLIB_MINOR)
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# Additional arguments (and substitutions)
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# Allow the pkg-config directory to be set
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AC_ARG_WITH(pkgconfigdir,
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AC_HELP_STRING([--with-pkgconfigdir],
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[Use the specified pkgconfig dir (default is libdir/pkgconfig)]),
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[pkgconfigdir=${withval}],
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[pkgconfigdir='${libdir}/pkgconfig'])
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AC_SUBST([pkgconfigdir])
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AC_MSG_NOTICE([pkgconfig directory is ${pkgconfigdir}])
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# Make the *-config binary config scripts optional
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AC_ARG_WITH(binconfigs,
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AC_HELP_STRING([--with-binconfigs],
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[Generate shell libpng-config scripts as well as pkg-config data]
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[@<:@default=yes@:>@]),
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[if test "${withval}" = no; then
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binconfigs=
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AC_MSG_NOTICE([libpng-config scripts will not be built])
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else
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binconfigs='${binconfigs}'
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fi],
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[binconfigs='${binconfigs}'])
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AC_SUBST([binconfigs])
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# Allow the old version number library, libpng.so, to be removed from
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# the build
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AC_ARG_WITH(libpng-compat,
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AC_HELP_STRING([--with-libpng-compat],
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[Generate the obsolete libpng.so library @<:@default=yes@:>@]),
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[if test "${withval}" = no; then
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compatlib=
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AC_MSG_NOTICE([libpng.so will not be built])
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else
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compatlib=libpng.la
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fi],
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[compatlib=libpng.la])
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AC_SUBST([compatlib])
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# Config files, substituting as above
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AC_CONFIG_FILES([Makefile libpng.pc:scripts/libpng.pc.in])
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AC_CONFIG_FILES([libpng-config:scripts/libpng-config.in],
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[chmod +x libpng-config])
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AC_OUTPUT
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