mirror of
https://gitlab.freedesktop.org/cairo/cairo.git
synced 2026-05-04 23:28:07 +02:00
[configure.ac.enable] More macro cleanup
This commit is contained in:
Behdad Esfahbod
parent
96e45e6779
commit
eddb3f6a84
2 changed files with 119 additions and 100 deletions
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@ -124,6 +124,7 @@ dnl
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dnl Cairo-specific macros
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dnl
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m4_pattern_forbid([CAIRO])
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m4_pattern_forbid([^cr_])
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dnl ==========================================================================
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@ -1,122 +1,117 @@
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dnl
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dnl These are the facilities for enable/disabling various backends/features,
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dnl and for collecting CFLAGS/LIBS and generating per backend/feature .pc
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dnl These are the facilities for enable/disabling various features,
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dnl and for collecting CFLAGS/LIBS and generating per feature .pc
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dnl files, assembling list of source files to compile, and creating
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dnl cairo-features.h and other generated files.
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dnl
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dnl ===========================================================================
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dnl
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dnl cairo_cache_version should be increased every time that the backend
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dnl cairo_cache_version should be increased every time that the feature
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dnl detection stuff changes in a way that removing the config.cache file may be
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dnl needed for correct operation. (this is only for the backend detection
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dnl needed for correct operation. (this is only for the feature detection
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dnl changes; it doesn't have any effect on any other cached thing.)
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dnl
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m4_define(cairo_cache_version, 4)
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m4_define(cairo_cache_version, 5)
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dnl ===========================================================================
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dnl
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dnl Define a macro to enable features
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dnl - Macro: _CAIRO_ENABLE_FULL (NAMESPACE, NAME, ARG, FEATURE_NAME, DEFAULT, WHAT, COMMANDS)
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dnl - Macro: _CAIRO_ENABLE_FULL (ID, NAME, ARG, TAG, DEFAULT, WHAT, COMMANDS)
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dnl
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dnl where:
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dnl
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dnl NAMESPACE is the sub-namespace in function names, eg. "ft" for cairo_ft_...
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dnl NAME is the human-readable name of the backend, eg. "FreeType font"
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dnl ARG is what enables the backend, eg. "freetype" for --enable-freetype
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dnl FEATURE_NAME is the feature conditional, eg. CAIRO_HAS_FT_FONT
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dnl ID is the sub-namespace in function names, eg. "ft" for cairo_ft_...
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dnl NAME is the human-readable name of the feature, eg. "FreeType font"
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dnl ARG is what enables the feature, eg. "ft" for --enable-ft
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dnl TAG is the feature conditional, eg. CAIRO_HAS_FT_FONT
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dnl WHAT is the type of feature:
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dnl "surface" for surface backends
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dnl "font" for font backends
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dnl "functions" for set of functions
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dnl "" for private configurations
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dnl DEFAULT is the default state of the backend:
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dnl DEFAULT is the default state of the feature:
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dnl "no" for experimental backends, eg. your favorite new backend
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dnl "yes" for mandatory backends, eg. png
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dnl "auto" for other supported backends, eg. xlib
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dnl COMMANDS are run to check whether the backend can be enabled. Their
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dnl COMMANDS are run to check whether the feature can be enabled. Their
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dnl result may be cached, so user should not count on them being run.
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dnl They should set use_$(NAMESPACE) to something other than yes if the
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dnl backend cannot be built, eg. "no (requires SomeThing)". It then
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dnl should also set $(NAMESPACE)_REQUIRES/CFLAGS/LIBS/...
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dnl They should set use_$(ID) to something other than yes if the
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dnl feature cannot be built, eg. "no (requires SomeThing)". It then
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dnl should also set $(ID)_REQUIRES/CFLAGS/LIBS/...
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dnl appropriately. Look at the macro definition for more details,
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dnl or ask if in doubt.
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dnl
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AC_DEFUN([_CAIRO_ENABLE_FULL],
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[ AC_ARG_ENABLE([$3],
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AS_HELP_STRING([--enable-$3=@<:@no/auto/yes@:>@],
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[Enable cairo's $2 backend @<:@default=$6@:>@]),
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enable_$1=$enableval, enable_$1=$6)
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[
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m4_define([cr_feature], [$1])
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m4_define([cr_feature_name], m4_expand([$2]))
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m4_define([cr_feature_arg], m4_expand([$3]))
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m4_define([cr_feature_tag], m4_expand([$4]))
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m4_define([cr_feature_what], m4_expand([$5]))
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m4_define([cr_feature_default], m4_expand([$6]))
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m4_define([cr_feature_commands], [$7])
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AC_ARG_ENABLE(cr_feature_arg,
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AS_HELP_STRING([--enable-]cr_feature_arg[=@<:@no/auto/yes@:>@],
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[Enable cairo's ]cr_feature_name[ feature @<:@default=]cr_feature_default[@:>@]),
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enable_$1=$enableval, enable_$1=cr_feature_default)
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case $enable_$1 in
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no)
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use_$1="no (disabled, use --enable-$3 to enable)"
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use_$1="no (disabled, use --enable-cr_feature_arg to enable)"
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;;
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yes|auto)
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if test "x$cairo_cv_backend_[]$1[]_cache_version" != "x[]cairo_cache_version"; then
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# cached results for this backend (if any) are stale. force rechecking.
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unset cairo_cv_backend_[]$1[]_use
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if test "x$cairo_cv_[]$1[]_cache_version" != "x[]cairo_cache_version"; then
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# cached results for this feature (if any) are stale. force rechecking.
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unset cairo_cv_[]$1[]_use
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fi
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AC_CACHE_CHECK([for cairo's $2 backend], cairo_cv_backend_[]$1[]_use,
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AC_CACHE_CHECK([for cairo's ]cr_feature_name[ feature], cairo_cv_[]$1[]_use,
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[
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echo
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use_[]$1=yes
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$1[]_REQUIRES=$ac_env_[]$1[]_REQUIRES_value
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$1[]_CFLAGS=$ac_env_[]$1[]_CFLAGS_value
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$1[]_LIBS=$ac_env_[]$1[]_LIBS_value
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$1[]_NONPKGCONFIG_CFLAGS=$ac_env_[]$1[]_NONPKGCONFIG_CFLAGS_value
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$1[]_NONPKGCONFIG_LIBS=$ac_env_[]$1[]_NONPKGCONFIG_LIBS_value
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$1[]_BASE=cairo
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$7
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cairo_cv_backend_[]$1[]_use=$use_[]$1
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cairo_cv_backend_[]$1[]_cache_version=cairo_cache_version
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cairo_cv_backend_[]$1[]_requires=$[]$1[]_REQUIRES
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cairo_cv_backend_[]$1[]_cflags=$[]$1[]_CFLAGS
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cairo_cv_backend_[]$1[]_libs=$[]$1[]_LIBS
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cairo_cv_backend_[]$1[]_nonpkgconfig_cflags=$[]$1[]_NONPKGCONFIG_CFLAGS
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cairo_cv_backend_[]$1[]_nonpkgconfig_libs=$[]$1[]_NONPKGCONFIG_LIBS
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cairo_cv_backend_[]$1[]_base=$[]$1[]_BASE
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AC_MSG_CHECKING([whether cairo's $2 backend could be enabled])
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CAIRO_FEATURE_VARS_FOREACH(cr_var, [cr_feature[_]cr_var[=$ac_env_]cr_feature[_]cr_var[_value]
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])
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cr_feature_commands
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cairo_cv_[]$1[]_use=$use_[]$1
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cairo_cv_[]$1[]_cache_version=cairo_cache_version
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CAIRO_FEATURE_VARS_FOREACH([cr_var], [[cairo_cv_]cr_feature[_]cr_var[=$]cr_feature[_]cr_var
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])
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AC_MSG_CHECKING([whether cairo's ]cr_feature_name[ feature could be enabled])
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])
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use_[]$1=$cairo_cv_backend_[]$1[]_use
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$1[]_BASE=$cairo_cv_backend_[]$1[]_base
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$1[]_REQUIRES="$cairo_cv_backend_[]$1[]_requires "
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$1[]_CFLAGS="$cairo_cv_backend_[]$1[]_cflags "
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$1[]_LIBS="$cairo_cv_backend_[]$1[]_libs "
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$1[]_NONPKGCONFIG_CFLAGS="$cairo_cv_backend_[]$1[]_nonpkgconfig_cflags "
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$1[]_NONPKGCONFIG_LIBS="$cairo_cv_backend_[]$1[]_nonpkgconfig_libs "
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# null the ones that only have space
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test "x$$1[]_REQUIRES" = "x " && $1[]_REQUIRES=""
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test "x$$1[]_CFLAGS" = "x " && $1[]_CFLAGS=""
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test "x$$1[]_LIBS" = "x " && $1[]_LIBS=""
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test "x$$1[]_NONPKGCONFIG_CFLAGS" = "x " && $1[]_NONPKGCONFIG_CFLAGS=""
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test "x$$1[]_NONPKGCONFIG_LIBS" = "x " && $1[]_NONPKGCONFIG_LIBS=""
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use_[]$1=$cairo_cv_[]$1[]_use
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AS_IF([test "x$enable_$1" = "xyes" -a "x$use_$1" != xyes],
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[
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AC_MSG_ERROR([requested $2 backend could not be enabled])
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AC_MSG_ERROR([requested ]cr_feature_name[ feature could not be enabled])
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])
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;;
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*)
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AC_MSG_ERROR([invalid argument passed to --enable-$3: $use_$1, should be one of @<:@no/auto/yes@:>@])
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AC_MSG_ERROR([invalid argument passed to --enable-]cr_feature_arg[: `$use_$1', should be one of @<:@no/auto/yes@:>@])
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;;
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esac
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AS_IF([test "x$use_$1" = "xyes"],
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[
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CAIRO_FEATURE_VARS_FOREACH([cr_var], [cr_feature[_]cr_var[=$cairo_cv_]cr_feature[_]cr_var
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])
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],[
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dnl If not enabled, empty the vars so no one accidentally uses them.
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CAIRO_FEATURE_VARS_FOREACH([cr_var], [cr_feature[_]cr_var[=$cairo_cv_]cr_feature[_]cr_var
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])
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])
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if test "x$use_$1" = xyes; then
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CAIRO_FEATURES="$4 $CAIRO_FEATURES"
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CAIRO_REQUIRES="$$1_REQUIRES$CAIRO_REQUIRES"
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CAIRO_CFLAGS="$$1_NONPKGCONFIG_CFLAGS$$1_CFLAGS$CAIRO_CFLAGS"
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CAIRO_LIBS="$$1_NONPKGCONFIG_LIBS$$1_LIBS$CAIRO_LIBS"
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CAIRO_NONPKGCONFIG_CFLAGS="$$1_NONPKGCONFIG_CFLAGS$CAIRO_NONPKGCONFIG_CFLAGS"
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CAIRO_NONPKGCONFIG_LIBS="$$1_NONPKGCONFIG_LIBS$CAIRO_NONPKGCONFIG_LIBS"
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CAIRO_FEATURE_VARS_FOREACH([cr_var], [[test -n "$]cr_feature[_]cr_var[" && CAIRO_]cr_var[="$]cr_feature[_]cr_var[ $CAIRO_]cr_var["]
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])
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CAIRO_FEATURES="cr_feature_tag $CAIRO_FEATURES"
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m4_define([cairo_backend_pc], m4_bpatsubst(src/cairo-$1.pc,_,-))
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AC_CONFIG_FILES(cairo_backend_pc():src/cairo-backend.pc.in,
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[
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$SED -i -e "
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s,@backend_name@,$1,g;
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s,@Backend_Name@,$2,g;
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s,@Backend_Name@,cr_feature_name,g;
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s,@BACKEND_BASE@,$$1_BASE,g;
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s,@BACKEND_REQUIRES@,$$1_REQUIRES,g;
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s%@BACKEND_NONPKGCONFIG_LIBS@%$$1_NONPKGCONFIG_LIBS%g;
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@ -132,23 +127,23 @@ AC_DEFUN([_CAIRO_ENABLE_FULL],
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])
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fi
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AM_CONDITIONAL($4, test "x$use_$1" = xyes)
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AM_CONDITIONAL(cr_feature_tag, test "x$use_$1" = xyes)
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dnl Collect list of all supported but disabled features
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AS_IF([test "x$use_$1" != xyes -a "x$6" != xno],
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AS_IF([test "x$use_$1" != xyes -a "x]cr_feature_default[" != xno],
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[
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CAIRO_NO_FEATURES="$4 $CAIRO_NO_FEATURES"
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CAIRO_NO_FEATURES="cr_feature_tag $CAIRO_NO_FEATURES"
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])
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dnl Collect list of all (un)supported features and cairo headers
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AS_IF([test "x$6" = xno],
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AS_IF([test "x]cr_feature_default[" = xno],
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[
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CAIRO_CONFIG_AMAKE=$CAIRO_CONFIG_AMAKE'
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unsupported_cairo_headers += $(cairo_$1_headers)'
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CAIRO_CONFIG_WIN32=$CAIRO_CONFIG_WIN32'
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unsupported_cairo_headers += $(cairo_$1_headers)'
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],[
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CAIRO_SUPPORTED_FEATURES="$4 $CAIRO_SUPPORTED_FEATURES"
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CAIRO_SUPPORTED_FEATURES="cr_feature_tag $CAIRO_SUPPORTED_FEATURES"
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CAIRO_CONFIG_AMAKE=$CAIRO_CONFIG_AMAKE'
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supported_cairo_headers += $(cairo_$1_headers)'
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CAIRO_CONFIG_WIN32=$CAIRO_CONFIG_WIN32'
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@ -161,7 +156,7 @@ all_cairo_pkgconf += $(cairo_$1_pkgconf)
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all_cairo_headers += $(cairo_$1_headers)
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all_cairo_private += $(cairo_$1_private)
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all_cairo_sources += $(cairo_$1_sources)
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if $4
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if cr_feature_tag
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enabled_cairo_pkgconf += $(cairo_$1_pkgconf)
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enabled_cairo_headers += $(cairo_$1_headers)
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enabled_cairo_private += $(cairo_$1_private)
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@ -173,7 +168,7 @@ all_cairo_pkgconf += $(cairo_$1_pkgconf)
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all_cairo_headers += $(cairo_$1_headers)
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all_cairo_private += $(cairo_$1_private)
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all_cairo_sources += $(cairo_$1_sources)
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ifeq ($($4),1)
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ifeq ($(cr_feature_tag),1)
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enabled_cairo_pkgconf += $(cairo_$1_pkgconf)
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enabled_cairo_headers += $(cairo_$1_headers)
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enabled_cairo_private += $(cairo_$1_private)
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@ -181,32 +176,28 @@ enabled_cairo_sources += $(cairo_$1_sources)
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endif
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'
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dnl Collect warning message for enabled unsupported backends
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AS_IF([test "x$use_$1" = xyes -a "x$6" = xno],
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AS_IF([test "x$use_$1" = xyes -a "x]cr_feature_default[" = xno],
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[
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CAIRO_WARNING_MESSAGE="$CAIRO_WARNING_MESSAGE
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*** The $2 backend is still under active development and
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*** is included in this release only as a preview. It does NOT
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*** fully work yet and incompatible changes may yet be made
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*** to $2-backend specific API.
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m4_text_wrap([The ]cr_feature_name[ feature is still under active development and is included in this release only as a preview. It does NOT fully work yet and incompatible changes may yet be made to ]cr_feature_name[ specific API.], [--- ],, 72)
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"
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])
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dnl Collect warning message for disabled recommended backends
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AS_IF([test "x$use_$1" != xyes -a "x$6" = xyes],
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AS_IF([test "x$use_$1" != xyes -a "x]cr_feature_default[" = xyes],
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[
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CAIRO_WARNING_MESSAGE="$CAIRO_WARNING_MESSAGE
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*** It is strictly recommended that you do NOT disable
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*** the $2 backend.
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m4_text_wrap([It is strictly recommended that you do NOT disable the ]cr_feature_name[ backend.], [+++ ],, 72)
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"
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])
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])
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m4_pattern_allow(^CAIRO_HAS_)
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m4_define([_CAIRO_BUILD_FEATURE_NAME_NORMALIZED],
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m4_define([_CAIRO_BUILD_FEATURE_TAG_NORMALIZED],
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[CAIRO_HAS_[$1]m4_bmatch([$1],[$2$],,[$2])])
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m4_define([_CAIRO_BUILD_FEATURE_NAME],
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[_CAIRO_BUILD_FEATURE_NAME_NORMALIZED(AS_TR_CPP([$1]),AS_TR_CPP(m4_ifval([$2],[ $2])))])
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m4_define([_CAIRO_BUILD_FEATURE_TAG],
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[_CAIRO_BUILD_FEATURE_TAG_NORMALIZED(AS_TR_CPP([$1]),AS_TR_CPP(m4_ifval([$2],[ $2])))])
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dnl Like _CAIRO_ENABLE*, but takes an object type too
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AC_DEFUN([_CAIRO_ENABLE],
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@ -221,31 +212,30 @@ AC_DEFUN([_CAIRO_ENABLE],
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[$1],
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m4_normalize([$2]),
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m4_translit([$1],[_],[-]),
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_CAIRO_BUILD_FEATURE_NAME([$1],m4_normalize([$3])),
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_CAIRO_BUILD_FEATURE_TAG([$1],m4_normalize([$3])),
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m4_normalize([$3]),
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m4_normalize([$4]),
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[$5]
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)dnl
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])
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dnl ===========================================================================
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dnl
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dnl Define macros to enable various features.
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dnl - Macro: CAIRO_ENABLE_* (NAMESPACE, NAME, DEFAULT, COMMANDS)
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dnl - Macro: CAIRO_ENABLE_* (ID, NAME, DEFAULT, COMMANDS)
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dnl
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dnl where:
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dnl
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dnl FEATURENAME is the feature name, eg. "ft" for cairo_ft_...
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dnl ID is the feature id, eg. "ft" for cairo_ft_...
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dnl NAME is the human-readable name of the feature, eg. "FreeType"
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dnl DEFAULT is the default state of the backend:
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dnl DEFAULT is the default state of the feature:
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dnl "no" for experimental backends, eg. your favorite new backend
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dnl "yes" for mandatory backends, eg. png
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dnl "auto" for other supported backends, eg. xlib
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dnl COMMANDS are run to check whether the feature can be enabled. Their
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dnl result may be cached, so user should not count on them being run.
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dnl They should set use_$(NAMESPACE) to something other than yes if the
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dnl backend cannot be built, eg. "no (requires SomeThing)". It then
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dnl should also set $(NAMESPACE)_REQUIRES/CFLAGS/LIBS/...
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dnl They should set use_$(ID) to something other than yes if the
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dnl feature cannot be built, eg. "no (requires SomeThing)". It then
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dnl should also set $(ID)_REQUIRES/CFLAGS/LIBS/...
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dnl appropriately. Look at the macro definition for more details,
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dnl or ask if in doubt.
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dnl
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@ -263,14 +253,43 @@ AC_DEFUN([CAIRO_ENABLE_FUNCTIONS],
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[_CAIRO_ENABLE([$1], [$2 functions], functions, [$3],[$4])])
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dnl ===========================================================================
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dnl
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dnl CAIRO_FEATURE_VARS_REGISTER(VARS, INITIAL-VALUE=[])
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dnl
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dnl Registers variables to be collected from feature-enabling code segments.
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dnl VARS should be a whitespace-separate list of variable names.
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dnl
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dnl XXX Should be able to set default value
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dnl
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dnl XXX Set separator. Also, prepend/append setting
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dnl
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dnl XXX An aggregate of the values from all enabled features is collected in
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dnl variables named as VARS but prefixed with CAIRO_.
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dnl
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AC_DEFUN([CAIRO_FEATURE_VARS_REGISTER],
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[
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m4_foreach_w([cr_var], [$1],
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[m4_append_uniq([CAIRO_FEATURE_VARS], cr_var, [ ],,
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[m4_fatal([Feature variable `]cr_var[' already registered])])])
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m4_foreach_w([cr_var], [$1], [[CAIRO_]cr_var[="$2"]
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])
|
||||
m4_foreach_w([cr_var], [$1], [m4_pattern_allow([CAIRO_]cr_var)])
|
||||
])
|
||||
|
||||
AC_DEFUN([CAIRO_FEATURE_VARS_FOREACH],
|
||||
[
|
||||
m4_foreach_w([$1], m4_expand(CAIRO_FEATURE_VARS), [$2])
|
||||
])
|
||||
|
||||
dnl ===========================================================================
|
||||
dnl
|
||||
dnl Report
|
||||
dnl
|
||||
|
||||
dnl Accumulator for warning messages
|
||||
m4_pattern_allow(^CAIRO_WARNING_MESSAGE$)
|
||||
CAIRO_WARNING_MESSAGE=""
|
||||
CAIRO_FEATURE_VARS_REGISTER([WARNING_MESSAGE])
|
||||
|
||||
AC_DEFUN([CAIRO_REPORT],
|
||||
[
|
||||
|
|
@ -341,18 +360,17 @@ dnl pkg-config requires, non-pkgconfig cflags and libs, and total cflags and lib
|
|||
dnl
|
||||
|
||||
dnl Accumulators
|
||||
CAIRO_REQUIRES=""
|
||||
CAIRO_NONPKGCONFIG_CFLAGS=""
|
||||
CAIRO_NONPKGCONFIG_LIBS="$LIBS"
|
||||
CAIRO_CFLAGS=$CAIRO_NONPKGCONFIG_CFLAGS
|
||||
CAIRO_LIBS=$CAIRO_NONPKGCONFIG_LIBS
|
||||
CAIRO_FEATURE_VARS_REGISTER([REQUIRES BASE])
|
||||
CAIRO_FEATURE_VARS_REGISTER([CFLAGS NONPKGCONFIG_CFLAGS])
|
||||
CAIRO_FEATURE_VARS_REGISTER([LIBS NONPKGCONFIG_LIBS], [$LIBS])
|
||||
|
||||
dnl Substitute
|
||||
dnl Substitute vars
|
||||
AC_SUBST(CAIRO_REQUIRES)
|
||||
AC_SUBST(CAIRO_NONPKGCONFIG_CFLAGS)
|
||||
AC_SUBST(CAIRO_NONPKGCONFIG_LIBS)
|
||||
AC_SUBST(CAIRO_BASE)
|
||||
AC_SUBST(CAIRO_CFLAGS)
|
||||
AC_SUBST(CAIRO_NONPKGCONFIG_CFLAGS)
|
||||
AC_SUBST(CAIRO_LIBS)
|
||||
AC_SUBST(CAIRO_NONPKGCONFIG_LIBS)
|
||||
|
||||
|
||||
dnl ===========================================================================
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue