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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])