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Diffstat (limited to '')
| -rw-r--r-- | m4/libo_externals.m4 | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/m4/libo_externals.m4 b/m4/libo_externals.m4 new file mode 100644 index 000000000..7f2b04305 --- /dev/null +++ b/m4/libo_externals.m4 @@ -0,0 +1,133 @@ +dnl -*- Mode: Autoconf; tab-width: 4; indent-tabs-mode: nil; fill-column: 102 -*- +# +# This file is part of the LibreOffice project. +# +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, You can obtain one at http://mozilla.org/MPL/2.0/. +# +# <$1 lowercase variable part - used for variables and configure switches> +# <$2 uppercase variable part - used for configure.ac and make variables> +# <$3 pkg-config query string> +# [$4 if optional, default to: enabled, disabled or fixed (default: fixed)] +# [$5 which is preferred: (fixed-|test-)system or (fixed-)internal or system-if-linux (default: internal)] +# [$6 ignore $with_system_libs: TRUE or blank (default: blank/false)] +# +# $4 fixed: fixed-enabled, as fixed-disabled makes no sense. +# $5 test-system: follows $test_system_$1, ignores $with_system_libs; no configure switch +# +# Used configure.ac variables: +# - $2_(CFLAGS|LIBS)_internal: must be filled to match the internal build +# - enable_$1: should normally not be set manually; use test_$1 instead +# - found_$1: other tests already provided external $2_CFLAGS and $2_LIBS +# - test_$1: set to no, if the feature shouldn't be tested at all +# - test_system_$1: set to no, if the system library should not be used +# +# There is currently the AC_SUBST redundancy of +# (SYSTEM_$2,TRUE) == (,$(filter $2,$(BUILD_TYPE))) +# + +m4_define([csm_default_with], [ + if test "${with_system_$1+set}" != set -a "${with_system_libs+set}" = set -a "$3" != TRUE; then + with_system_$1="$with_system_libs"; + else + with_system_$1="$2" + fi +]) + +m4_define([csm_check_required], [ + m4_ifblank([$2],[m4_fatal([$][$1 ($2) must not be blank and $4])]) + m4_if([$2],[$3],,[m4_fatal([$][$1 ($2) $3 must be $4])]) +]) + +AC_DEFUN([libo_CHECK_SYSTEM_MODULE], [ +# validate arguments as possible +csm_check_required([1],[$1],m4_tolower([$1]),[lowercase]) +csm_check_required([2],[$2],m4_toupper([$2]),[uppercase]) +m4_ifblank([$3],[m4_fatal([$][3 is the pkg-config query and must not be blank])]) +m4_if([$6],[TRUE],[],[m4_ifnblank([$6],[m4_fatal([$][6 must be TRUE or blank])])]) +m4_if( + [$4],[enabled],[ + AC_ARG_ENABLE([$1], + AS_HELP_STRING([--disable-$1],[Disable $1 support.]), + ,[enable_$1="yes"]) + ],[$4],[disabled],[ + AC_ARG_ENABLE([$1], + AS_HELP_STRING([--enable-$1],[Enable $1 support.]), + ,[enable_$1="no"]) + ],[ + m4_if([$4],[fixed],,[m4_ifnblank([$4], + [m4_fatal([$$4 ($4) must be "enabled", "disabled", "fixed" or empty (=fixed)])])]) + enable_$1="yes"; +]) +m4_if( + [$5],[system],[ + AC_ARG_WITH(system-$1, + AS_HELP_STRING([--without-system-$1],[Build and bundle the internal $1.]), + ,[csm_default_with($1,yes,$6)]) + ],[$5],[test-system],[ + with_system_$1="$test_system_$1" + ],[$5],[fixed-system],[ + with_system_$1=yes + ],[$5],[fixed-internal],[ + with_system_$1=no + ],[$5],[system-if-linux],[ + AC_ARG_WITH(system-$1, + AS_HELP_STRING([--with-system-$1],[Use $1 from the operating system.]), + ,[case "$_os" in + Linux) + with_system_nss=yes + ;; + *) + with_system_nss=no + ;; + esac]) + ],[ + m4_if([$5],[internal],,[m4_ifnblank([$5], + [m4_fatal([$$5 ($5) must be "(fixed-|test-)system", "(fixed-)internal", "system-if-linux" or empty (=internal)])])]) + AC_ARG_WITH(system-$1, + AS_HELP_STRING([--with-system-$1],[Use $1 from the operating system.]), + ,[csm_default_with($1,no,$6)]) +]) + +AC_MSG_CHECKING([which $1 to use]) +if test "$test_$1" != no -a "$found_$1" != yes -a "$enable_$1" != no; then + ENABLE_$2=TRUE + if test "$with_system_$1" = yes -a "$test_system_$1" != no; then + AC_MSG_RESULT([external]) + SYSTEM_$2=TRUE + PKG_CHECK_MODULES([$2], [$3]) + $2_CFLAGS=$(printf '%s' "${$2_CFLAGS}" | sed -e "s/-I/${ISYSTEM?}/g") + FilterLibs "${$2_LIBS}" + $2_LIBS="$filteredlibs" + else + AC_MSG_RESULT([internal]) + SYSTEM_$2= + $2_CFLAGS="${$2_CFLAGS_internal}" + $2_LIBS="${$2_LIBS_internal}" + BUILD_TYPE="$BUILD_TYPE $2" + fi +else + if test "$found_$1" = yes -a "$enable_$1" != no -a "$with_system_$1" = yes; then + AC_MSG_RESULT([external]) + ENABLE_$2=TRUE + SYSTEM_$2=TRUE + else + ENABLE_$2= + SYSTEM_$2= + $2_CFLAGS= + $2_LIBS= + if test "$test_$1" != no -a "$enable_$1" = no; then + AC_MSG_RESULT([disabled]) + else + AC_MSG_RESULT([not tested]) + fi + fi +fi +AC_SUBST([ENABLE_$2]) +AC_SUBST([SYSTEM_$2]) +AC_SUBST([$2_CFLAGS]) +AC_SUBST([$2_LIBS]) +]) + +dnl vim:set shiftwidth=4 softtabstop=4 expandtab: |