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add a --enable-experimental option to './configure'

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This will enable USE_EXPERIMENTAL_FEATURES instead of having a header-level #define

Change-Id: I860b007f64220ddf92d0becd18f7d100c718f8d1
This commit is contained in:
Pascal Massimino 2011-05-04 15:17:54 -07:00
parent d757523889
commit 79cc49f5eb
5 changed files with 18 additions and 6 deletions
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14
configure.ac
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@ -69,6 +69,20 @@ AC_CHECK_HEADER(jpeglib.h,
AC_SUBST(JPEG_LIBS)
AC_SUBST(JPEG_INCLUDES)
dnl === If --enable-experimental is defined, add the flag WEBP_EXPERIMENTAL_FEATURES
USE_EXPERIMENTAL_CODE=""
AC_MSG_CHECKING(if --enable-experimental option is specified)
AC_ARG_ENABLE(experimental, [ --enable-experimental Activate experimental features])
if test "$enable_experimental" = "yes"; then
AC_DEFINE(EXPERIMENTAL,,[Enable experimental code])
USE_EXPERIMENTAL_CODE="-DWEBP_EXPERIMENTAL_FEATURES"
fi
AC_MSG_RESULT(${enable_experimental-no})
AC_SUBST(USE_EXPERIMENTAL_CODE)
dnl =========================
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_FILES([Makefile src/Makefile man/Makefile examples/Makefile src/dec/Makefile src/enc/Makefile src/libwebp.pc])

4
examples/Makefile.am
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@ -3,9 +3,9 @@ AM_CPPFLAGS = -I$(top_srcdir)/src
bin_PROGRAMS = dwebp cwebp
dwebp_SOURCES = dwebp.c stopwatch.h
dwebp_CPPFLAGS = $(AM_CPPFLAGS) $(PNG_INCLUDES) $(JPEG_INCLUDES)
dwebp_CPPFLAGS = $(AM_CPPFLAGS) $(PNG_INCLUDES) $(JPEG_INCLUDES) $(USE_EXPERIMENTAL_CODE)
dwebp_LDADD = ../src/libwebp.la $(PNG_LIBS) $(JPEG_LIBS) -lz
cwebp_SOURCES = cwebp.c stopwatch.h
cwebp_CPPFLAGS = $(AM_CPPFLAGS) $(PNG_INCLUDES) $(JPEG_INCLUDES)
cwebp_CPPFLAGS = $(AM_CPPFLAGS) $(PNG_INCLUDES) $(JPEG_INCLUDES) $(USE_EXPERIMENTAL_CODE)
cwebp_LDADD = ../src/libwebp.la $(PNG_LIBS) $(JPEG_LIBS) -lz

1
src/dec/Makefile.am
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@ -3,6 +3,7 @@ AM_CPPFLAGS = -I$(top_srcdir)/src
libwebpdecode_la_SOURCES = bits.h vp8i.h yuv.h bits.c dsp.c frame.c \
quant.c tree.c vp8.c webp.c yuv.c idec.c alpha.c
libwebpdecode_la_LDFLAGS = -version-info 0:0:0
libwebpdecode_la_CPPFLAGS = $(USE_EXPERIMENTAL_CODE)
libwebpdecodeinclude_HEADERS = ../webp/decode.h ../webp/decode_vp8.h ../webp/types.h
libwebpdecodeincludedir = $(includedir)/webp

1
src/enc/Makefile.am
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@ -5,6 +5,7 @@ libwebpencode_la_SOURCES = analysis.c bit_writer.c bit_writer.h \
frame.c iterator.c picture.c quant.c \
syntax.c tree.c vp8enci.h webpenc.c alpha.c
libwebpencode_la_LDFLAGS = -version-info 0:0:0 -lm
libwebpencode_la_CPPFLAGS = $(USE_EXPERIMENTAL_CODE)
libwebpencodeinclude_HEADERS = ../webp/encode.h ../webp/types.h
libwebpencodeincludedir = $(includedir)/webp

4
src/webp/types.h
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@ -12,10 +12,6 @@
#ifndef WEBP_WEBP_TYPES_H_
#define WEBP_WEBP_TYPES_H_
// This is for experimentation only! Bitstreams generated will surely
// be invalid, non-decodable ones! USE WITH CARE!
// #define WEBP_EXPERIMENTAL_FEATURES // activate alpha support, yuv444, etc.
#ifndef _MSC_VER
#include <inttypes.h>
#ifdef ANSI