#! /bin/sh
# Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for libpng 1.5.14.
+# Generated by GNU Autoconf 2.69 for libpng 1.6.1.
#
# Report bugs to <png-mng-implement@lists.sourceforge.net>.
#
# Identity of this package.
PACKAGE_NAME='libpng'
PACKAGE_TARNAME='libpng'
-PACKAGE_VERSION='1.5.14'
-PACKAGE_STRING='libpng 1.5.14'
+PACKAGE_VERSION='1.6.1'
+PACKAGE_STRING='libpng 1.6.1'
PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net'
PACKAGE_URL=''
PNG_ARM_NEON_FALSE
PNG_ARM_NEON_TRUE
AM_CCASFLAGS
+DO_PNG_PREFIX_FALSE
+DO_PNG_PREFIX_TRUE
+PNG_PREFIX
binconfigs
pkgconfigdir
PNGLIB_RELEASE
HAVE_LD_VERSION_SCRIPT_TRUE
HAVE_SOLARIS_LD_FALSE
HAVE_SOLARIS_LD_TRUE
-LIBPNG_DEFINES
LIBOBJS
POW_LIB
+PNG_COPTS
DFNCPP
OTOOL64
OTOOL
MAINT
MAINTAINER_MODE_FALSE
MAINTAINER_MODE_TRUE
+AM_BACKSLASH
+AM_DEFAULT_VERBOSITY
+AM_DEFAULT_V
+AM_V
am__untar
am__tar
AMTAR
ac_subst_files=''
ac_user_opts='
enable_option_checking
+enable_silent_rules
enable_maintainer_mode
enable_dependency_tracking
with_gnu_ld
enable_fast_install
with_sysroot
enable_libtool_lock
+enable_werror
with_zlib_prefix
with_pkgconfigdir
with_binconfigs
+with_libpng_prefix
enable_arm_neon
'
ac_precious_vars='build_alias
CPPFLAGS
CCAS
CCASFLAGS
-CPP'
+CPP
+PNG_COPTS'
# Initialize some variables set by options.
# Omit some internal or obsolete options to make the list less imposing.
# This message is too long to be a string in the A/UX 3.1 sh.
cat <<_ACEOF
-\`configure' configures libpng 1.5.14 to adapt to many kinds of systems.
+\`configure' configures libpng 1.6.1 to adapt to many kinds of systems.
Usage: $0 [OPTION]... [VAR=VALUE]...
if test -n "$ac_init_help"; then
case $ac_init_help in
- short | recursive ) echo "Configuration of libpng 1.5.14:";;
+ short | recursive ) echo "Configuration of libpng 1.6.1:";;
esac
cat <<\_ACEOF
--disable-option-checking ignore unrecognized --enable/--with options
--disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no)
--enable-FEATURE[=ARG] include FEATURE [ARG=yes]
- --enable-maintainer-mode enable make rules and dependencies not useful
- (and sometimes confusing) to the casual installer
- --disable-dependency-tracking speeds up one-time build
- --enable-dependency-tracking do not reject slow dependency extractors
+ --enable-silent-rules less verbose build output (undo: "make V=1")
+ --disable-silent-rules verbose build output (undo: "make V=0")
+ --enable-maintainer-mode
+ enable make rules and dependencies not useful (and
+ sometimes confusing) to the casual installer
+ --enable-dependency-tracking
+ do not reject slow dependency extractors
+ --disable-dependency-tracking
+ speeds up one-time build
--enable-shared[=PKGS] build shared libraries [default=yes]
--enable-static[=PKGS] build static libraries [default=yes]
--enable-fast-install[=PKGS]
optimize for fast installation [default=yes]
--disable-libtool-lock avoid locking (might break parallel builds)
- --enable-arm-neon Enable ARM NEON optimizations
+ --enable-werror[=OPT] Pass -Werror or the given argument to the compiler
+ if it is supported
+ --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'.
Optional Packages:
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
both]
--with-sysroot=DIR Search for dependent libraries within DIR
(or the compiler's sysroot if not specified).
- --with-zlib-prefix prefix that may have been used in installed zlib
- --with-pkgconfigdir Use the specified pkgconfig dir (default is
+ --with-zlib-prefix prefix that may have been used in installed zlib
+ --with-pkgconfigdir Use the specified pkgconfig dir (default is
libdir/pkgconfig)
- --with-binconfigs Generate shell libpng-config scripts as well as
+ --with-binconfigs Generate shell libpng-config scripts as well as
pkg-config data [default=yes]
+ --with-libpng-prefix prefix libpng exported function (API) names with the
+ given value
Some influential environment variables:
CC C compiler command
CCAS assembler compiler command (defaults to CC)
CCASFLAGS assembler compiler flags (defaults to CFLAGS)
CPP C preprocessor
+ PNG_COPTS additional flags for the C compiler, use this for options that
+ would cause configure itself to fail
Use these variables to override the choices made by `configure' or to help
it to find libraries and programs with nonstandard names/locations.
test -n "$ac_init_help" && exit $ac_status
if $ac_init_version; then
cat <<\_ACEOF
-libpng configure 1.5.14
+libpng configure 1.6.1
generated by GNU Autoconf 2.69
Copyright (C) 2012 Free Software Foundation, Inc.
} # ac_fn_c_check_func
-# ac_fn_c_check_header_mongrel LINENO HEADER VAR INCLUDES
-# -------------------------------------------------------
-# Tests whether HEADER exists, giving a warning if it cannot be compiled using
-# the include files in INCLUDES and setting the cache variable VAR
-# accordingly.
-ac_fn_c_check_header_mongrel ()
-{
- as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
- if eval \${$3+:} false; then :
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
- $as_echo_n "(cached) " >&6
-fi
-eval ac_res=\$$3
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-else
- # Is the header compilable?
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5
-$as_echo_n "checking $2 usability... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-$4
-#include <$2>
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- ac_header_compiler=yes
-else
- ac_header_compiler=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
-
-# Is the header present?
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5
-$as_echo_n "checking $2 presence... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <$2>
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
- ac_header_preproc=yes
-else
- ac_header_preproc=no
-fi
-rm -f conftest.err conftest.i conftest.$ac_ext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
-$as_echo "$ac_header_preproc" >&6; }
-
-# So? What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in #((
- yes:no: )
- { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&5
-$as_echo "$as_me: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&2;}
- { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
- ;;
- no:yes:* )
- { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5
-$as_echo "$as_me: WARNING: $2: present but cannot be compiled" >&2;}
- { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: check for missing prerequisite headers?" >&5
-$as_echo "$as_me: WARNING: $2: check for missing prerequisite headers?" >&2;}
- { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: see the Autoconf documentation" >&5
-$as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
- { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: section \"Present But Cannot Be Compiled\"" >&5
-$as_echo "$as_me: WARNING: $2: section \"Present But Cannot Be Compiled\"" >&2;}
- { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
-( $as_echo "## ------------------------------------------------------ ##
-## Report this to png-mng-implement@lists.sourceforge.net ##
-## ------------------------------------------------------ ##"
- ) | sed "s/^/$as_me: WARNING: /" >&2
- ;;
-esac
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- eval "$3=\$ac_header_compiler"
-fi
-eval ac_res=\$$3
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-fi
- eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
-
-} # ac_fn_c_check_header_mongrel
-
# ac_fn_c_check_type LINENO TYPE VAR INCLUDES
# -------------------------------------------
# Tests whether TYPE exists after having included INCLUDES, setting cache
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
-It was created by libpng $as_me 1.5.14, which was
+It was created by libpng $as_me 1.6.1, which was
generated by GNU Autoconf 2.69. Invocation command line was
$ $0 $@
ac_compiler_gnu=$ac_cv_c_compiler_gnu
-am__api_version='1.11'
+
+
+# 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__api_version='1.13'
ac_aux_dir=
for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether build environment is sane" >&5
$as_echo_n "checking whether build environment is sane... " >&6; }
-# Just in case
-sleep 1
-echo timestamp > conftest.file
# Reject unsafe characters in $srcdir or the absolute working directory
# name. Accept space and tab only in the latter.
am_lf='
esac
case $srcdir in
*[\\\"\#\$\&\'\`$am_lf\ \ ]*)
- as_fn_error $? "unsafe srcdir value: \`$srcdir'" "$LINENO" 5;;
+ as_fn_error $? "unsafe srcdir value: '$srcdir'" "$LINENO" 5;;
esac
-# Do `set' in a subshell so we don't clobber the current shell's
+# Do 'set' in a subshell so we don't clobber the current shell's
# arguments. Must try -L first in case configure is actually a
# symlink; some systems play weird games with the mod time of symlinks
# (eg FreeBSD returns the mod time of the symlink's containing
# directory).
if (
- set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
- if test "$*" = "X"; then
- # -L didn't work.
- set X `ls -t "$srcdir/configure" conftest.file`
- fi
- rm -f conftest.file
- if test "$*" != "X $srcdir/configure conftest.file" \
- && test "$*" != "X conftest.file $srcdir/configure"; then
-
- # If neither matched, then we have a broken ls. This can happen
- # if, for instance, CONFIG_SHELL is bash and it inherits a
- # broken ls alias from the environment. This has actually
- # happened. Such a system could not be considered "sane".
- as_fn_error $? "ls -t appears to fail. Make sure there is not a broken
-alias in your environment" "$LINENO" 5
- fi
-
+ am_has_slept=no
+ for am_try in 1 2; do
+ echo "timestamp, slept: $am_has_slept" > conftest.file
+ set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
+ if test "$*" = "X"; then
+ # -L didn't work.
+ set X `ls -t "$srcdir/configure" conftest.file`
+ fi
+ if test "$*" != "X $srcdir/configure conftest.file" \
+ && test "$*" != "X conftest.file $srcdir/configure"; then
+
+ # If neither matched, then we have a broken ls. This can happen
+ # if, for instance, CONFIG_SHELL is bash and it inherits a
+ # broken ls alias from the environment. This has actually
+ # happened. Such a system could not be considered "sane".
+ as_fn_error $? "ls -t appears to fail. Make sure there is not a broken
+ alias in your environment" "$LINENO" 5
+ fi
+ if test "$2" = conftest.file || test $am_try -eq 2; then
+ break
+ fi
+ # Just in case.
+ sleep 1
+ am_has_slept=yes
+ done
test "$2" = conftest.file
)
then
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
+# If we didn't sleep, we still need to ensure time stamps of config.status and
+# generated files are strictly newer.
+am_sleep_pid=
+if grep 'slept: no' conftest.file >/dev/null 2>&1; then
+ ( sleep 1 ) &
+ am_sleep_pid=$!
+fi
+
+rm -f conftest.file
+
test "$program_prefix" != NONE &&
program_transform_name="s&^&$program_prefix&;$program_transform_name"
# Use a double $ so make ignores it.
esac
fi
# Use eval to expand $SHELL
-if eval "$MISSING --run true"; then
- am_missing_run="$MISSING --run "
+if eval "$MISSING --is-lightweight"; then
+ am_missing_run="$MISSING "
else
am_missing_run=
- { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: \`missing' script is too old or missing" >&5
-$as_echo "$as_me: WARNING: \`missing' script is too old or missing" >&2;}
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: 'missing' script is too old or missing" >&5
+$as_echo "$as_me: WARNING: 'missing' script is too old or missing" >&2;}
fi
if test x"${install_sh}" != xset; then
esac
fi
-# Installed binaries are usually stripped using `strip' when the user
-# run `make install-strip'. However `strip' might not be the right
+# Installed binaries are usually stripped using 'strip' when the user
+# run "make install-strip". However 'strip' might not be the right
# tool to use in cross-compilation environments, therefore Automake
-# will honor the `STRIP' environment variable to overrule this program.
+# will honor the 'STRIP' environment variable to overrule this program.
if test "$cross_compiling" != no; then
if test -n "$ac_tool_prefix"; then
# Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $MKDIR_P" >&5
$as_echo "$MKDIR_P" >&6; }
-mkdir_p="$MKDIR_P"
-case $mkdir_p in
- [\\/$]* | ?:[\\/]*) ;;
- */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
-esac
-
for ac_prog in gawk mawk nawk awk
do
# Extract the first word of "$ac_prog", so it can be a program name with args.
fi
rmdir .tst 2>/dev/null
+# Check whether --enable-silent-rules was given.
+if test "${enable_silent_rules+set}" = set; then :
+ enableval=$enable_silent_rules;
+fi
+
+case $enable_silent_rules in # (((
+ yes) AM_DEFAULT_VERBOSITY=0;;
+ no) AM_DEFAULT_VERBOSITY=1;;
+ *) AM_DEFAULT_VERBOSITY=1;;
+esac
+am_make=${MAKE-make}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $am_make supports nested variables" >&5
+$as_echo_n "checking whether $am_make supports nested variables... " >&6; }
+if ${am_cv_make_support_nested_variables+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if $as_echo 'TRUE=$(BAR$(V))
+BAR0=false
+BAR1=true
+V=1
+am__doit:
+ @$(TRUE)
+.PHONY: am__doit' | $am_make -f - >/dev/null 2>&1; then
+ am_cv_make_support_nested_variables=yes
+else
+ am_cv_make_support_nested_variables=no
+fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_make_support_nested_variables" >&5
+$as_echo "$am_cv_make_support_nested_variables" >&6; }
+if test $am_cv_make_support_nested_variables = yes; then
+ AM_V='$(V)'
+ AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
+else
+ AM_V=$AM_DEFAULT_VERBOSITY
+ AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
+fi
+AM_BACKSLASH='\'
+
if test "`cd $srcdir && pwd`" != "`pwd`"; then
# Use -I$(srcdir) only when $(srcdir) != ., so that make's output
# is not polluted with repeated "-I."
# Define the identity of the package.
PACKAGE='libpng'
- VERSION='1.5.14'
+ VERSION='1.6.1'
cat >>confdefs.h <<_ACEOF
MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"}
+# For better backward compatibility. To be removed once Automake 1.9.x
+# dies out for good. For more background, see:
+# <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
+# <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
+mkdir_p='$(MKDIR_P)'
+
# We need awk for the "check" target. The system "awk" is bad on
# some platforms.
# Always define AMTAR for backward compatibility. Yes, it's still used
+# 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
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable maintainer-specific portions of Makefiles" >&5
$as_echo_n "checking whether to enable maintainer-specific portions of Makefiles... " >&6; }
-PNGLIB_VERSION=1.5.14
+
+PNGLIB_VERSION=1.6.1
PNGLIB_MAJOR=1
-PNGLIB_MINOR=5
-PNGLIB_RELEASE=14
+PNGLIB_MINOR=6
+PNGLIB_RELEASE=1
_am_result=none
# First try GNU make style include.
echo "include confinc" > confmf
-# Ignore all kinds of additional output from `make'.
+# Ignore all kinds of additional output from 'make'.
case `$am_make -s -f confmf 2> /dev/null` in #(
*the\ am__doit\ target*)
am__include=include
# We make a subdir and do the tests there. Otherwise we can end up
# making bogus files that we don't know about and never remove. For
# instance it was reported that on HP-UX the gcc test will end up
- # making a dummy file named `D' -- because `-MD' means `put the output
- # in D'.
+ # making a dummy file named 'D' -- because '-MD' means "put the output
+ # in D".
rm -rf conftest.dir
mkdir conftest.dir
# Copy depcomp to subdir because otherwise we won't find it if we're
: > sub/conftest.c
for i in 1 2 3 4 5 6; do
echo '#include "conftst'$i'.h"' >> sub/conftest.c
- # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
- # Solaris 8's {/usr,}/bin/sh.
- touch sub/conftst$i.h
+ # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
+ # Solaris 10 /bin/sh.
+ echo '/* dummy */' > sub/conftst$i.h
done
echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
- # We check with `-c' and `-o' for the sake of the "dashmstdout"
+ # We check with '-c' and '-o' for the sake of the "dashmstdout"
# mode. It turns out that the SunPro C++ compiler does not properly
- # handle `-M -o', and we need to detect this. Also, some Intel
- # versions had trouble with output in subdirs
+ # handle '-M -o', and we need to detect this. Also, some Intel
+ # versions had trouble with output in subdirs.
am__obj=sub/conftest.${OBJEXT-o}
am__minus_obj="-o $am__obj"
case $depmode in
test "$am__universal" = false || continue
;;
nosideeffect)
- # after this tag, mechanisms are not by side-effect, so they'll
- # only be used when explicitly requested
+ # After this tag, mechanisms are not by side-effect, so they'll
+ # only be used when explicitly requested.
if test "x$enable_dependency_tracking" = xyes; then
continue
else
fi
;;
msvc7 | msvc7msys | msvisualcpp | msvcmsys)
- # This compiler won't grok `-c -o', but also, the minuso test has
+ # This compiler won't grok '-c -o', but also, the minuso test has
# not run yet. These depmodes are late enough in the game, and
# so weak that their functioning should not be impacted.
am__obj=conftest.${OBJEXT-o}
# We make a subdir and do the tests there. Otherwise we can end up
# making bogus files that we don't know about and never remove. For
# instance it was reported that on HP-UX the gcc test will end up
- # making a dummy file named `D' -- because `-MD' means `put the output
- # in D'.
+ # making a dummy file named 'D' -- because '-MD' means "put the output
+ # in D".
rm -rf conftest.dir
mkdir conftest.dir
# Copy depcomp to subdir because otherwise we won't find it if we're
: > sub/conftest.c
for i in 1 2 3 4 5 6; do
echo '#include "conftst'$i'.h"' >> sub/conftest.c
- # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
- # Solaris 8's {/usr,}/bin/sh.
- touch sub/conftst$i.h
+ # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
+ # Solaris 10 /bin/sh.
+ echo '/* dummy */' > sub/conftst$i.h
done
echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
- # We check with `-c' and `-o' for the sake of the "dashmstdout"
+ # We check with '-c' and '-o' for the sake of the "dashmstdout"
# mode. It turns out that the SunPro C++ compiler does not properly
- # handle `-M -o', and we need to detect this. Also, some Intel
- # versions had trouble with output in subdirs
+ # handle '-M -o', and we need to detect this. Also, some Intel
+ # versions had trouble with output in subdirs.
am__obj=sub/conftest.${OBJEXT-o}
am__minus_obj="-o $am__obj"
case $depmode in
test "$am__universal" = false || continue
;;
nosideeffect)
- # after this tag, mechanisms are not by side-effect, so they'll
- # only be used when explicitly requested
+ # After this tag, mechanisms are not by side-effect, so they'll
+ # only be used when explicitly requested.
if test "x$enable_dependency_tracking" = xyes; then
continue
else
fi
;;
msvc7 | msvc7msys | msvisualcpp | msvcmsys)
- # This compiler won't grok `-c -o', but also, the minuso test has
+ # This compiler won't grok '-c -o', but also, the minuso test has
# not run yet. These depmodes are late enough in the game, and
# so weak that their functioning should not be impacted.
am__obj=conftest.${OBJEXT-o}
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu
-if test -n "$ac_tool_prefix"; then
- # Extract the first word of "${ac_tool_prefix}sed", so it can be a program name with args.
-set dummy ${ac_tool_prefix}sed; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_SED+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$SED"; then
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-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_SED+:} false; then :
- $as_echo_n "(cached) " >&6
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- if test -n "$ac_ct_SED"; then
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-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
+for ac_prog in gawk mawk nawk awk
do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
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-if test -n "$ac_tool_prefix"; then
- # Extract the first word of "${ac_tool_prefix}awk", so it can be a program name with args.
-set dummy ${ac_tool_prefix}awk; ac_word=$2
+ # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if ${ac_cv_prog_AWK+:} false; then :
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for ac_exec_ext in '' $ac_executable_extensions; do
if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_AWK="${ac_tool_prefix}awk"
+ ac_cv_prog_AWK="$ac_prog"
$as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
break 2
fi
fi
-fi
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-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_AWK+:} false; then :
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- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
+ test -n "$AWK" && break
done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_AWK=$ac_cv_prog_ac_ct_AWK
-if test -n "$ac_ct_AWK"; then
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- if test "x$ac_ct_AWK" = x; then
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- case $cross_compiling:$ac_tool_warned in
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
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-esac
- AWK=$ac_ct_AWK
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-else
- AWK="$ac_cv_prog_AWK"
-fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5
SET_MAKE="MAKE=${MAKE-make}"
fi
+
case `pwd` in
*\ * | *\ *)
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&5
$RM -r conftest*
+## CAVEAT EMPTOR:
+## There is no encapsulation within the following macros, do not change
+## the running order or otherwise move them around unless you know exactly
+## what you are doing...
if test -n "$compiler"; then
lt_prog_compiler_no_builtin_flag=
*) objformat=elf ;;
esac
fi
- # Handle Gentoo/FreeBSD as it was Linux
- case $host_vendor in
- gentoo)
- version_type=linux ;;
- *)
- version_type=freebsd-$objformat ;;
- esac
-
+ version_type=freebsd-$objformat
case $version_type in
freebsd-elf*)
library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix'
need_version=yes
;;
- linux)
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- need_lib_prefix=no
- need_version=no
- ;;
esac
shlibpath_var=LD_LIBRARY_PATH
case $host_os in
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-/* end confdefs.h. */
-1.5.0 16BIT
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
- DFNCPP="$CPP"
+# Some awks crash when confronted with pnglibconf.dfa, do a test run now
+# to make sure this doesn't happen
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking that AWK works" >&5
+$as_echo_n "checking that AWK works... " >&6; }
+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
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5
+$as_echo "ok" >&6; }
else
- DFNCPP=""
- sav_CPP="$CPP"
- for CPP in "${CC-cc} -E" "${CC-cc} -E -traditional-cpp" "/lib/cpp" "cpp"; do
+ { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 1 "failed
+See \`config.log' for more details" "$LINENO" 5; }
+fi
+
+# This is a remnant of the old cc -E validation, where it may have been
+# necessary to use a different preprocessor for .dfn files
+DFNCPP="$CPP"
+
+
+# -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
+
+# Check whether --enable-werror was given.
+if test "${enable_werror+set}" = set; then :
+ enableval=$enable_werror; test "$enable_werror" = "yes" && enable_werror="-Werror"
+ if test "$enable_werror" != "no"; then
+ sav_CFLAGS="$CFLAGS"
+ CFLAGS="$enable_werror $CFLAGS"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if the compiler allows $enable_werror" >&5
+$as_echo_n "checking if the compiler allows $enable_werror... " >&6; }
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-1.5.0 16BIT
+
+ int main(int argc, char **argv){
+ return argv[argc-1][0];
+ }
_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
- DFNCPP="$CPP"
- break
+if ac_fn_c_try_compile "$LINENO"; then :
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ PNG_COPTS="$PNG_COPTS $enable_werror"
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
fi
-rm -f conftest.err conftest.i conftest.$ac_ext
- done
- CPP="$sav_CPP"
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ CFLAGS="$sav_CFLAGS"
+ fi
fi
-rm -f conftest.err conftest.i conftest.$ac_ext
-if test -n "$DFNCPP"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DFNCPP" >&5
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
fi
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-_ACEOF
-
-fi
-
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-
# Checks for typedefs, structures, and compiler characteristics.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for an ANSI C-conforming const" >&5
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-LIBPNG_DEFINES=-DPNG_CONFIGURE_LIBPNG
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-
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if using Solaris linker" >&5
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withval=$with_binconfigs; if test "${withval}" = no; then
- binconfigs=
- { $as_echo "$as_me:${as_lineno-$LINENO}: libpng-config scripts will not be built" >&5
+ binconfigs=
+ { $as_echo "$as_me:${as_lineno-$LINENO}: libpng-config scripts will not be built" >&5
$as_echo "$as_me: libpng-config scripts will not be built" >&6;}
- else
- binconfigs='${binconfigs}'
- fi
+ else
+ binconfigs='${binconfigs}'
+ fi
else
binconfigs='${binconfigs}'
fi
+# Support for prefixes to the API function names; this will generate defines
+# at the start of the build to rename exported library functions
+
+# Check whether --with-libpng-prefix was given.
+if test "${with_libpng_prefix+set}" = set; then :
+ withval=$with_libpng_prefix; if test "${withval:-no}" != "no"; then
+ PNG_PREFIX=${withval}
+
+ fi
+fi
+
+ if test "${with_libpng_prefix:-no}" != "no"; then
+ DO_PNG_PREFIX_TRUE=
+ DO_PNG_PREFIX_FALSE='#'
+else
+ DO_PNG_PREFIX_TRUE='#'
+ DO_PNG_PREFIX_FALSE=
+fi
+
+
# 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)
# Check whether --enable-arm-neon was given.
if test "${enable_arm_neon+set}" = set; then :
- enableval=$enable_arm_neon; if test "${enableval}" = yes; then
+ enableval=$enable_arm_neon; case "$enableval" in
+ off)
-$as_echo "#define PNG_FILTER_OPTIMIZATIONS png_init_filter_functions_neon" >>confdefs.h
+$as_echo "#define PNG_NO_ARM_NEON /**/" >>confdefs.h
+;;
+ check)
+$as_echo "#define PNG_ARM_NEON_CHECK_SUPPORTED /**/" >>confdefs.h
+;;
+ api)
-$as_echo "#define PNG_ALIGNED_MEMORY_SUPPORTED 1" >>confdefs.h
+$as_echo "#define PNG_ARM_NEON_API_SUPPORTED /**/" >>confdefs.h
+;;
+ on)
- fi
+$as_echo "#define PNG_ARM_NEON_SUPPORTED /**/" >>confdefs.h
+;;
+ *)
+ as_fn_error $? "arm-neon: option value required (off/check/api/on)" "$LINENO" 5;;
+ esac
fi
- if test "${enable_arm_neon:-no}" = yes; then
+ if test "${enable_arm_neon:-no}" != "no"; then
PNG_ARM_NEON_TRUE=
PNG_ARM_NEON_FALSE='#'
else
fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: Extra options for compiler: $PNG_COPTS" >&5
+$as_echo "$as_me: Extra options for compiler: $PNG_COPTS" >&6;}
+
# Config files, substituting as above
ac_config_files="$ac_config_files Makefile libpng.pc:libpng.pc.in"
LTLIBOBJS=$ac_ltlibobjs
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking that generated files are newer than configure" >&5
+$as_echo_n "checking that generated files are newer than configure... " >&6; }
+ if test -n "$am_sleep_pid"; then
+ # Hide warnings about reused PIDs.
+ wait $am_sleep_pid 2>/dev/null
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: done" >&5
+$as_echo "done" >&6; }
if test -n "$EXEEXT"; then
am__EXEEXT_TRUE=
am__EXEEXT_FALSE='#'
as_fn_error $? "conditional \"HAVE_LD_VERSION_SCRIPT\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
+if test -z "${DO_PNG_PREFIX_TRUE}" && test -z "${DO_PNG_PREFIX_FALSE}"; then
+ as_fn_error $? "conditional \"DO_PNG_PREFIX\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
if test -z "${PNG_ARM_NEON_TRUE}" && test -z "${PNG_ARM_NEON_FALSE}"; then
as_fn_error $? "conditional \"PNG_ARM_NEON\" was never defined.
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# report actual input values of CONFIG_FILES etc. instead of their
# values after options handling.
ac_log="
-This file was extended by libpng $as_me 1.5.14, which was
+This file was extended by libpng $as_me 1.6.1, which was
generated by GNU Autoconf 2.69. Invocation command line was
CONFIG_FILES = $CONFIG_FILES
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
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ac_cs_version="\\
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case $ac_file$ac_mode in
"depfiles":C) test x"$AMDEP_TRUE" != x"" || {
- # Autoconf 2.62 quotes --file arguments for eval, but not when files
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case $CONFIG_FILES in
# Strip MF so we end up with the name of the file.
mf=`echo "$mf" | sed -e 's/:.*$//'`
# Check whether this is an Automake generated Makefile or not.
- # We used to match only the files named `Makefile.in', but
+ # We used to match only the files named 'Makefile.in', but
# some people rename them; so instead we look at the file content.
# Grep'ing the first line is not enough: some people post-process
# each Makefile.in and add a new line on top of each file to say so.
continue
fi
# Extract the definition of DEPDIR, am__include, and am__quote
- # from the Makefile without running `make'.
+ # from the Makefile without running 'make'.
DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
test -z "$DEPDIR" && continue
am__include=`sed -n 's/^am__include = //p' < "$mf"`
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fdir=`$as_dirname -- "$file" ||