summaryrefslogtreecommitdiff
path: root/Build/source/libs/libpng/libpng-1.6.2/configure.ac
diff options
context:
space:
mode:
Diffstat (limited to 'Build/source/libs/libpng/libpng-1.6.2/configure.ac')
-rw-r--r--Build/source/libs/libpng/libpng-1.6.2/configure.ac266
1 files changed, 0 insertions, 266 deletions
diff --git a/Build/source/libs/libpng/libpng-1.6.2/configure.ac b/Build/source/libs/libpng/libpng-1.6.2/configure.ac
deleted file mode 100644
index f9bc4f6344c..00000000000
--- a/Build/source/libs/libpng/libpng-1.6.2/configure.ac
+++ /dev/null
@@ -1,266 +0,0 @@
-# configure.ac
-
-dnl Process this file with autoconf to produce a configure script.
-dnl
-dnl Minor upgrades (compatible ABI): increment the package version
-dnl (third field in two places below) and set the PNGLIB_RELEASE
-dnl variable.
-dnl
-dnl Major upgrades (incompatible ABI): increment the package major
-dnl version (second field, or first if desired), set the minor
-dnl to 0, set PNGLIB_MAJOR below *and* follow the instructions in
-dnl Makefile.am to upgrade the package name.
-
-dnl This is here to prevent earlier autoconf from being used, it
-dnl should not be necessary to regenerate configure if the time
-dnl stamps are correct
-AC_PREREQ([2.68])
-
-dnl Version number stuff here:
-
-AC_INIT([libpng],[1.6.2],[png-mng-implement@lists.sourceforge.net])
-AC_CONFIG_MACRO_DIR([scripts])
-
-# libpng does not follow GNU file name conventions (hence 'foreign')
-# color-tests requires automake 1.11 or later
-# silent-rules requires automake 1.11 or later
-# dist-xz requires automake 1.11 or later
-# 1.12.2 fixes a security issue in 1.11.2 and 1.12.1
-# 1.13 is required for parallel tests
-AM_INIT_AUTOMAKE([1.13 foreign dist-xz color-tests silent-rules])
-# The following line causes --disable-maintainer-mode to be the default to
-# configure, this is necessary because libpng distributions cannot rely on the
-# time stamps of the autotools generated files being correct
-AM_MAINTAINER_MODE
-
-dnl configure.ac and Makefile.am expect automake 1.11.2 or a compatible later
-dnl version; aclocal.m4 will generate a failure if you use a prior version of
-dnl automake, so the following is not necessary (and is not defined anyway):
-dnl AM_PREREQ([1.11.2])
-dnl stop configure from automagically running automake
-
-PNGLIB_VERSION=1.6.2
-PNGLIB_MAJOR=1
-PNGLIB_MINOR=6
-PNGLIB_RELEASE=2
-
-dnl End of version number stuff
-
-AC_CONFIG_SRCDIR([pngget.c])
-AC_CONFIG_HEADERS([config.h])
-
-# Checks for programs.
-AC_LANG([C])
-AC_PROG_CC
-AM_PROG_AS
-LT_PATH_LD
-AC_PROG_CPP
-AC_PROG_AWK
-AC_PROG_INSTALL
-AC_PROG_LN_S
-AC_PROG_MAKE_SET
-
-dnl libtool/libtoolize; version 2.4.2 is the tested version, this or any
-dnl compatible later version may be used
-LT_INIT([win32-dll])
-LT_PREREQ([2.4.2])
-
-# Some awks crash when confronted with pnglibconf.dfa, do a test run now
-# to make sure this doesn't happen
-AC_MSG_CHECKING([that AWK works])
-if ${AWK} -f ${srcdir}/scripts/options.awk out="/dev/null" version=search\
- ${srcdir}/pngconf.h ${srcdir}/scripts/pnglibconf.dfa\
- ${srcdir}/pngusr.dfa 1>&2
-then
- AC_MSG_RESULT([ok])
-else
- AC_MSG_FAILURE([failed], 1)
-fi
-
-# This is a remnant of the old cc -E validation, where it may have been
-# necessary to use a different preprocessor for .dfn files
-DFNCPP="$CPP"
-AC_SUBST(DFNCPP)
-
-# -Werror cannot be passed to GCC in CFLAGS because configure will fail (it
-# checks the compiler with a program that generates a warning), add the
-# following option to deal with this
-AC_ARG_VAR(PNG_COPTS,
- [additional flags for the C compiler, use this for options that would]
- [cause configure itself to fail])
-AC_ARG_ENABLE(werror,
- AS_HELP_STRING([[[--enable-werror[=OPT]]]],
- [Pass -Werror or the given argument to the compiler if it is supported]),
- [test "$enable_werror" = "yes" && enable_werror="-Werror"
- if test "$enable_werror" != "no"; then
- sav_CFLAGS="$CFLAGS"
- CFLAGS="$enable_werror $CFLAGS"
- AC_MSG_CHECKING([if the compiler allows $enable_werror])
- AC_COMPILE_IFELSE(
- [AC_LANG_SOURCE([
- [int main(int argc, char **argv){]
- [return argv[argc-1][0];]
- [}]])],
- AC_MSG_RESULT(yes)
- PNG_COPTS="$PNG_COPTS $enable_werror",
- AC_MSG_RESULT(no))
- CFLAGS="$sav_CFLAGS"
- fi],)
-
-# Checks for header files.
-AC_HEADER_STDC
-
-# Checks for typedefs, structures, and compiler characteristics.
-AC_C_CONST
-AC_TYPE_SIZE_T
-AC_STRUCT_TM
-AC_C_RESTRICT
-
-# Checks for library functions.
-AC_FUNC_STRTOD
-AC_CHECK_FUNCS([memset], , AC_MSG_ERROR(memset not found in libc))
-AC_CHECK_FUNCS([pow], , AC_CHECK_LIB(m, pow, , AC_MSG_ERROR(cannot find pow)) )
-AC_ARG_WITH(zlib-prefix,
- AS_HELP_STRING([[[--with-zlib-prefix]]],
- [prefix that may have been used in installed zlib]),
- [ZPREFIX=${withval}],
- [ZPREFIX='z_'])
-AC_CHECK_LIB(z, zlibVersion, ,
- AC_CHECK_LIB(z, ${ZPREFIX}zlibVersion, , AC_MSG_ERROR(zlib not installed)))
-
-# The following is for pngvalid, to ensure it catches FP errors even on
-# platforms that don't enable FP exceptions, the function appears in the math
-# library (typically), it's not an error if it is not found.
-AC_CHECK_LIB([m], [feenableexcept])
-AC_CHECK_FUNCS([feenableexcept])
-
-AC_MSG_CHECKING([if using Solaris linker])
-SLD=`$LD --version 2>&1 | grep Solaris`
-if test "$SLD"; then
- have_solaris_ld=yes
- AC_MSG_RESULT(yes)
-else
- have_solaris_ld=no
- AC_MSG_RESULT(no)
-fi
-AM_CONDITIONAL(HAVE_SOLARIS_LD, test "$have_solaris_ld" = "yes")
-
-AC_MSG_CHECKING([if libraries can be versioned])
-# Special case for PE/COFF platforms: ld reports
-# support for version-script, but doesn't actually
-# DO anything with it.
-case $host in
-*cygwin* | *mingw32* | *interix* )
- have_ld_version_script=no
- AC_MSG_RESULT(no)
-;;
-* )
-
-if test "$have_solaris_ld" = "yes"; then
- GLD=`$LD --help < /dev/null 2>&1 | grep 'M mapfile'`
-else
- GLD=`$LD --help < /dev/null 2>/dev/null | grep version-script`
-fi
-
-if test "$GLD"; then
- have_ld_version_script=yes
- AC_MSG_RESULT(yes)
-else
- have_ld_version_script=no
- AC_MSG_RESULT(no)
- AC_MSG_WARN(*** You have not enabled versioned symbols.)
-fi
-;;
-esac
-
-AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes")
-
-if test "$have_ld_version_script" = "yes"; then
- AC_MSG_CHECKING([for symbol prefix])
- SYMBOL_PREFIX=`echo "PREFIX=__USER_LABEL_PREFIX__" \
- | ${CPP-${CC-gcc} -E} - 2>&1 \
- | ${EGREP-grep} "^PREFIX=" \
- | ${SED-sed} -e "s:^PREFIX=::" -e "s:__USER_LABEL_PREFIX__::"`
- AC_SUBST(SYMBOL_PREFIX)
- AC_MSG_RESULT($SYMBOL_PREFIX)
-fi
-
-# Substitutions for .in files
-AC_SUBST(PNGLIB_VERSION)
-AC_SUBST(PNGLIB_MAJOR)
-AC_SUBST(PNGLIB_MINOR)
-AC_SUBST(PNGLIB_RELEASE)
-
-# Additional arguments (and substitutions)
-# Allow the pkg-config directory to be set
-AC_ARG_WITH(pkgconfigdir,
- AS_HELP_STRING([[[--with-pkgconfigdir]]],
- [Use the specified pkgconfig dir (default is libdir/pkgconfig)]),
- [pkgconfigdir=${withval}],
- [pkgconfigdir='${libdir}/pkgconfig'])
-
-AC_SUBST([pkgconfigdir])
-AC_MSG_NOTICE([[pkgconfig directory is ${pkgconfigdir}]])
-
-# Make the *-config binary config scripts optional
-AC_ARG_WITH(binconfigs,
- AS_HELP_STRING([[[--with-binconfigs]]],
- [Generate shell libpng-config scripts as well as pkg-config data]
- [@<:@default=yes@:>@]),
- [if test "${withval}" = no; then
- binconfigs=
- AC_MSG_NOTICE([[libpng-config scripts will not be built]])
- else
- binconfigs='${binconfigs}'
- fi],
- [binconfigs='${binconfigs}'])
-AC_SUBST([binconfigs])
-
-# Support for prefixes to the API function names; this will generate defines
-# at the start of the build to rename exported library functions
-AC_ARG_WITH(libpng-prefix,
- AS_HELP_STRING([[[--with-libpng-prefix]]],
- [prefix libpng exported function (API) names with the given value]),
- [if test "${withval:-no}" != "no"; then
- AC_SUBST([PNG_PREFIX], [${withval}])
- fi])
-AM_CONDITIONAL([DO_PNG_PREFIX], [test "${with_libpng_prefix:-no}" != "no"])
-
-# Because GCC by default assembles code with an executable stack, even though it
-# compiles C code with a non-executable stack, it is necessary to do a fixup
-# here (this may by GCC specific)
-# AC_SUBST([AM_CCASFLAGS], [-Wa,--noexecstack])
-
-AC_ARG_ENABLE([arm-neon],
- AS_HELP_STRING([[[--enable-arm-neon]]],
- [Enable ARM NEON optimizations: =off, check, api, on:]
- [off: disable the optimizations; check: use internal checking code]
- [(deprecated and poorly supported); api: disable by default, enable by]
- [a call to png_set_option; on: turn on unconditionally. The]
- [default is 'on' if __ARM_NEON__ is defined, otherwise 'off'.]),
- [case "$enableval" in
- off)
- AC_DEFINE([PNG_NO_ARM_NEON], [],
- [Disable ARM Neon optimizations]);;
- check)
- AC_DEFINE([PNG_ARM_NEON_CHECK_SUPPORTED], [],
- [Check for ARM Neon support at run-time]);;
- api)
- AC_DEFINE([PNG_ARM_NEON_API_SUPPORTED], [],
- [Turn on ARM Neon optimizations at run-time]);;
- on)
- AC_DEFINE([PNG_ARM_NEON_SUPPORTED], [],
- [Enable ARM Neon optimizations]);;
- *)
- AC_MSG_ERROR([arm-neon: option value required (off/check/api/on)]);;
- esac])
-AM_CONDITIONAL([PNG_ARM_NEON], [test "${enable_arm_neon:-no}" != "no"])
-
-AC_MSG_NOTICE([[Extra options for compiler: $PNG_COPTS]])
-
-# Config files, substituting as above
-AC_CONFIG_FILES([Makefile libpng.pc:libpng.pc.in])
-AC_CONFIG_FILES([libpng-config:libpng-config.in],
- [chmod +x libpng-config])
-
-AC_OUTPUT