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php-src/ext/gd/config.m4
Christoph M. Becker 03bd4333f6 Add imagegetinterpolation() 
While `imagesetinterpolation()` is available as of PHP 5.5.0,
there is no according getter function, so users would have to track the
current interpolation method manually.

To remedy this, we introduce `imagegetinterpolation()` as thin wrapper
for `gdImageGetInterpolationMethod()` (which has been introduced with
libgd 2.1.1), and use `im->interpolation_id` as fallback for older
libgd.  Since our bundled libgd does not yet have this function, we add
it.

We also simplify the recently introduced bug79068.phpt, where it is
sufficient to check that the interpolation method has not been changed.
2020-01-14 18:25:27 +01:00

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dnl
dnl Configure options
dnl
PHP_ARG_ENABLE([gd],
[for GD support],
[AS_HELP_STRING([--enable-gd],
[Include GD support])])
PHP_ARG_WITH([external-gd],
[for external libgd],
[AS_HELP_STRING([--with-external-gd],
[Use external libgd])],
[no],
[no])
if test -z "$PHP_WEBP"; then
PHP_ARG_WITH([webp],
[for libwebp],
[AS_HELP_STRING([--with-webp],
[GD: Enable WEBP support (only for bundled libgd)])],
[no],
[no])
fi
if test -z "$PHP_JPEG"; then
PHP_ARG_WITH([jpeg],
[for libjpeg],
[AS_HELP_STRING([--with-jpeg],
[GD: Enable JPEG support (only for bundled libgd)])],
[no],
[no])
fi
PHP_ARG_WITH([xpm],
[for libXpm],
[AS_HELP_STRING([--with-xpm],
[GD: Enable XPM support (only for bundled libgd)])],
[no],
[no])
PHP_ARG_WITH([freetype],
[for FreeType 2],
[AS_HELP_STRING([--with-freetype],
[GD: Enable FreeType 2 support (only for bundled libgd)])],
[no],
[no])
PHP_ARG_ENABLE([gd-jis-conv],
[whether to enable JIS-mapped Japanese font support in GD],
[AS_HELP_STRING([--enable-gd-jis-conv],
[GD: Enable JIS-mapped Japanese font support (only for bundled libgd)])],
[no],
[no])
dnl
dnl Checks for the configure options
dnl
dnl zlib is always required
AC_DEFUN([PHP_GD_ZLIB],[
PKG_CHECK_MODULES([ZLIB], [zlib])
PHP_EVAL_LIBLINE($ZLIB_LIBS, GD_SHARED_LIBADD)
PHP_EVAL_INCLINE($ZLIB_CFLAGS)
])
dnl libpng is always required
AC_DEFUN([PHP_GD_PNG],[
PKG_CHECK_MODULES([PNG], [libpng])
PHP_EVAL_LIBLINE($PNG_LIBS, GD_SHARED_LIBADD)
PHP_EVAL_INCLINE($PNG_CFLAGS)
AC_DEFINE(HAVE_LIBPNG, 1, [ ])
])
AC_DEFUN([PHP_GD_WEBP],[
if test "$PHP_WEBP" != "no"; then
PKG_CHECK_MODULES([WEBP], [libwebp])
PHP_EVAL_LIBLINE($WEBP_LIBS, GD_SHARED_LIBADD)
PHP_EVAL_INCLINE($WEBP_CFLAGS)
AC_DEFINE(HAVE_LIBWEBP, 1, [ ])
AC_DEFINE(HAVE_GD_WEBP, 1, [ ])
fi
])
AC_DEFUN([PHP_GD_JPEG],[
if test "$PHP_JPEG" != "no"; then
PKG_CHECK_MODULES([JPEG], [libjpeg])
PHP_EVAL_LIBLINE($JPEG_LIBS, GD_SHARED_LIBADD)
PHP_EVAL_INCLINE($JPEG_CFLAGS)
AC_DEFINE(HAVE_LIBJPEG, 1, [ ])
AC_DEFINE(HAVE_GD_JPG, 1, [ ])
fi
])
AC_DEFUN([PHP_GD_XPM],[
if test "$PHP_XPM" != "no"; then
PKG_CHECK_MODULES([XPM], [xpm])
PHP_EVAL_LIBLINE($XPM_LIBS, GD_SHARED_LIBADD)
PHP_EVAL_INCLINE($XPM_CFLAGS)
AC_DEFINE(HAVE_XPM, 1, [ ])
AC_DEFINE(HAVE_GD_XPM, 1, [ ])
fi
])
AC_DEFUN([PHP_GD_FREETYPE2],[
if test "$PHP_FREETYPE" != "no"; then
PKG_CHECK_MODULES([FREETYPE2], [freetype2], [FREETYPE2_FOUND=true])
PHP_EVAL_INCLINE($FREETYPE2_CFLAGS)
PHP_EVAL_LIBLINE($FREETYPE2_LIBS, GD_SHARED_LIBADD)
AC_DEFINE(HAVE_LIBFREETYPE, 1, [ ])
AC_DEFINE(HAVE_GD_FREETYPE, 1, [ ])
fi
])
AC_DEFUN([PHP_GD_JISX0208],[
if test "$PHP_GD_JIS_CONV" = "yes"; then
AC_DEFINE(USE_GD_JISX0208, 1, [ ])
AC_DEFINE(JISX0208, 1, [ ])
fi
])
AC_DEFUN([PHP_GD_CHECK_VERSION],[
PHP_CHECK_LIBRARY(gd, gdImageCreateFromPng, [AC_DEFINE(HAVE_GD_PNG, 1, [ ])], [], [ $GD_SHARED_LIBADD ])
PHP_CHECK_LIBRARY(gd, gdImageCreateFromWebp, [AC_DEFINE(HAVE_GD_WEBP, 1, [ ])], [], [ $GD_SHARED_LIBADD ])
PHP_CHECK_LIBRARY(gd, gdImageCreateFromJpeg, [AC_DEFINE(HAVE_GD_JPG, 1, [ ])], [], [ $GD_SHARED_LIBADD ])
PHP_CHECK_LIBRARY(gd, gdImageCreateFromXpm, [AC_DEFINE(HAVE_GD_XPM, 1, [ ])], [], [ $GD_SHARED_LIBADD ])
PHP_CHECK_LIBRARY(gd, gdImageCreateFromBmp, [AC_DEFINE(HAVE_GD_BMP, 1, [ ])], [], [ $GD_SHARED_LIBADD ])
PHP_CHECK_LIBRARY(gd, gdImageCreateFromTga, [AC_DEFINE(HAVE_GD_TGA, 1, [ ])], [], [ $GD_SHARED_LIBADD ])
PHP_CHECK_LIBRARY(gd, gdImageStringFT, [AC_DEFINE(HAVE_GD_FREETYPE, 1, [ ])], [], [ $GD_SHARED_LIBADD ])
PHP_CHECK_LIBRARY(gd, gdVersionString, [AC_DEFINE(HAVE_GD_LIBVERSION, 1, [ ])], [], [ $GD_SHARED_LIBADD ])
PHP_CHECK_LIBRARY(gd, gdImageGetInterpolationMethod, [AC_DEFINE(HAVE_GD_GET_INTERPOLATION, 1, [ ])], [], [ $GD_SHARED_LIBADD ])
])
dnl
dnl Main GD configure
dnl
if test "$PHP_GD" != "no"; then
if test "$PHP_EXTERNAL_GD" = "no"; then
GD_CFLAGS=""
extra_sources="libgd/gd.c libgd/gd_gd.c libgd/gd_gd2.c libgd/gd_io.c libgd/gd_io_dp.c \
libgd/gd_io_file.c libgd/gd_ss.c libgd/gd_io_ss.c libgd/gd_webp.c \
libgd/gd_png.c libgd/gd_jpeg.c libgd/gdxpm.c libgd/gdfontt.c libgd/gdfonts.c \
libgd/gdfontmb.c libgd/gdfontl.c libgd/gdfontg.c libgd/gdtables.c libgd/gdft.c \
libgd/gdcache.c libgd/gdkanji.c libgd/wbmp.c libgd/gd_wbmp.c libgd/gdhelpers.c \
libgd/gd_topal.c libgd/gd_gif_in.c libgd/gd_xbm.c libgd/gd_gif_out.c libgd/gd_security.c \
libgd/gd_filter.c libgd/gd_pixelate.c libgd/gd_rotate.c libgd/gd_color_match.c \
libgd/gd_transform.c libgd/gd_crop.c libgd/gd_interpolation.c libgd/gd_matrix.c \
libgd/gd_bmp.c libgd/gd_tga.c"
dnl check for fabsf and floorf which are available since C99
AC_CHECK_FUNCS(fabsf floorf)
dnl These are always available with bundled library
AC_DEFINE(HAVE_GD_BUNDLED, 1, [ ])
AC_DEFINE(HAVE_GD_PNG, 1, [ ])
AC_DEFINE(HAVE_GD_BMP, 1, [ ])
AC_DEFINE(HAVE_GD_TGA, 1, [ ])
dnl Various checks for GD features
PHP_GD_ZLIB
PHP_GD_PNG
PHP_GD_WEBP
PHP_GD_JPEG
PHP_GD_XPM
PHP_GD_FREETYPE2
PHP_GD_JISX0208
PHP_NEW_EXTENSION(gd, gd.c $extra_sources, $ext_shared,, \\$(GD_CFLAGS))
PHP_ADD_BUILD_DIR($ext_builddir/libgd)
GD_CFLAGS="-I$ext_srcdir/libgd $GD_CFLAGS"
GD_HEADER_DIRS="ext/gd/ ext/gd/libgd/"
PHP_TEST_BUILD(foobar, [], [
AC_MSG_ERROR([GD build test failed. Please check the config.log for details.])
], [ $GD_SHARED_LIBADD ], [char foobar () {}])
else
extra_sources="gd_compat.c"
PKG_CHECK_MODULES([GDLIB], [gdlib >= 2.1.0])
PHP_EVAL_LIBLINE($GDLIB_LIBS, GD_SHARED_LIBADD)
PHP_EVAL_INCLINE($GDLIB_CFLAGS)
AC_DEFINE(HAVE_LIBGD, 1, [ ])
PHP_GD_CHECK_VERSION
PHP_NEW_EXTENSION(gd, gd.c $extra_sources, $ext_shared)
GD_HEADER_DIRS="ext/gd/"
PHP_CHECK_LIBRARY(gd, gdImageCreate, [], [
AC_MSG_ERROR([GD build test failed. Please check the config.log for details.])
], [ $GD_SHARED_LIBADD ])
fi
PHP_INSTALL_HEADERS([$GD_HEADER_DIRS])
PHP_SUBST(GD_CFLAGS)
PHP_SUBST(GDLIB_CFLAGS)
PHP_SUBST(GDLIB_LIBS)
PHP_SUBST(GD_SHARED_LIBADD)
fi
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