# # Copyright 2015-2016 Nest Labs Inc. All Rights Reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # # # Description: # This file defines a GNU autoconf M4-style macro for checking # the presence and viability of both required and optional # dependent packages, which may be internal or external to the # current package. # # Five (5) macros are made available: # # * NL_WITH_REQUIRED_EXTERNAL_PACKAGE # * NL_WITH_OPTIONAL_EXTERNAL_PACKAGE # * NL_WITH_REQUIRED_INTERNAL_PACKAGE # * NL_WITH_OPTIONAL_INTERNAL_PACKAGE # * NL_WITH_PACKAGE # # Note, however, that NL_WITH_PACKAGE is deprecated and maps to # NL_WITH_REQUIRED_INTERNAL_PACKAGE. # # _NL_ARG_WITH_INCLUDES_OR_LIBS(PACKAGE-DISPOSITION, # PACKAGE-SOURCE, # PACKAGE-PRETTY-NAME, # PACKAGE-VARIABLE-PREFIX, # PACKAGE-SUCCINCT-NAME, # PACKAGE-WITH-OPTION, # PLURAL-WITH-OPTION-HELP-WORD, # WITH-DIR-VARIABLE-MODIFIER) # ---------------------------------------------------------------------------- # This is a wrapper around AC_ARG_WITH that provides the ability to # optionally specify a dependent package include and link library # directories independently as # --with--=. # # If the package is specified as required, the use of # --without- or the use of # --with-=no will result in a fatal error. # # At the successful conclusion of the execution of the macro, # two variables will be defined: # # * nl_with_ # * __dir # # The package disposition and source are specified by: # # PACKAGE-DISPOSITION : This may be either 'required' if the dependent # package is required or 'optional' if # not. # PACKAGE-SOURCE : This may be either 'internal' if the dependent # package may be provided either # internally or externally to the current # package or 'external' if the dependent # package may only be provided outside of # the current package. This also serves as # the default value for where the # configuration script expects to find the # package. # # The dependent package is specified in three forms: # # PACKAGE-PRETTY-NAME : The human-readable name by which the package # will be referred for any diagnostic output. For # example, "My Great Software Package". # PACKAGE-VARIABLE-PREFIX : The package-specific prefix applied to variables # defined as a result of running this macro for the # packages. For example, "MGSP" here is transformed # into MGSP_CPPFLAGS. # PACKAGE-SUCCINCT-NAME : The package-specific name used for pkg-config, # in temporary variables and on the # configure command line. For example, # "mgsp" here is used for --with-mgsp=DIR # or 'pkg-config --cflags mgsp'. # ---------------------------------------------------------------------------- AC_DEFUN([_NL_ARG_WITH_INCLUDES_OR_LIBS], [ dnl Check whether or not the package is required m4_case([$1], [required],[], [optional],[], [m4_fatal([$0: invalid disposition value '$1'; must be 'required' or 'optional'])]) dnl Check whether or not the package is internal m4_case([$2], [internal],[], [external],[], [m4_fatal([$0: invalid source value '$2'; must be 'internal' or 'external'])]) AC_ARG_WITH($5-$6, AS_HELP_STRING([--with-$5-$6=DIR], [Specify location of $1 $3 $7 @<:@default=$2@:>@.]), [ if test "${withval}" = "no"; then m4_if([$1], [required], [AC_MSG_ERROR([${PACKAGE_NAME} requires the $3 package.])], [nl_with_$5=${withval}]) fi if test "x${$5_dir}" != "x"; then AC_MSG_WARN([overriding --with-$5=${$5_dir}]) fi if test "${withval}" = "internal"; then $5_$8_dir=${withval} nl_with_$5=${withval} else $5_$8_dir=${withval} nl_with_$5=external fi ], [ $5_$8_dir=; if test "x${nl_with_$5}" = "x"; then nl_with_$5=$2 fi ]) ]) # _NL_ARG_WITH_INCLUDES(PACKAGE-DISPOSITION, # PACKAGE-SOURCE, # PACKAGE-PRETTY-NAME, # PACKAGE-VARIABLE-PREFIX, # PACKAGE-SUCCINCT-NAME) # ---------------------------------------------------------------------------- # This is a wrapper around AC_ARG_WITH that provides the ability to # optionally specify a dependent package include directory # independently as --with--includes=. # # If the package is specified as required, the use of # --without--includes or the use of # --with--includes=no will result in a fatal error. # # At the successful conclusion of the execution of the macro, # two variables will be defined: # # * nl_with_ # * _header_dir # # The package disposition and source are specified by: # # PACKAGE-DISPOSITION : This may be either 'required' if the dependent # package is required or 'optional' if # not. # PACKAGE-SOURCE : This may be either 'internal' if the dependent # package may be provided either # internally or externally to the current # package or 'external' if the dependent # package may only be provided outside of # the current package. This also serves as # the default value for where the # configuration script expects to find the # package. # # The dependent package is specified in three forms: # # PACKAGE-PRETTY-NAME : The human-readable name by which the package # will be referred for any diagnostic output. For # example, "My Great Software Package". # PACKAGE-VARIABLE-PREFIX : The package-specific prefix applied to variables # defined as a result of running this macro for the # packages. For example, "MGSP" here is transformed # into MGSP_CPPFLAGS. # PACKAGE-SUCCINCT-NAME : The package-specific name used for pkg-config, # in temporary variables and on the # configure command line. For example, # "mgsp" here is used for --with-mgsp=DIR # or 'pkg-config --cflags mgsp'. # ---------------------------------------------------------------------------- AC_DEFUN([_NL_ARG_WITH_INCLUDES], [ _NL_ARG_WITH_INCLUDES_OR_LIBS([$1], [$2], [$3], [$4], [$5], [includes], [headers], [header])dnl ]) # _NL_ARG_WITH_LIBS(PACKAGE-DISPOSITION, # PACKAGE-SOURCE, # PACKAGE-PRETTY-NAME, # PACKAGE-VARIABLE-PREFIX, # PACKAGE-SUCCINCT-NAME) # ---------------------------------------------------------------------------- # This is a wrapper around AC_ARG_WITH that provides the ability to # optionally specify a dependent package link library directory # independently as --with--libs=. # # If the package is specified as required, the use of # --without--libs or the use of # --with--libs=no will result in a fatal error. # # At the successful conclusion of the execution of the macro, # two variables will be defined: # # * nl_with_ # * _library_dir # # The package disposition and source are specified by: # # PACKAGE-DISPOSITION : This may be either 'required' if the dependent # package is required or 'optional' if # not. # PACKAGE-SOURCE : This may be either 'internal' if the dependent # package may be provided either # internally or externally to the current # package or 'external' if the dependent # package may only be provided outside of # the current package. This also serves as # the default value for where the # configuration script expects to find the # package. # # The dependent package is specified in three forms: # # PACKAGE-PRETTY-NAME : The human-readable name by which the package # will be referred for any diagnostic output. For # example, "My Great Software Package". # PACKAGE-VARIABLE-PREFIX : The package-specific prefix applied to variables # defined as a result of running this macro for the # packages. For example, "MGSP" here is transformed # into MGSP_CPPFLAGS. # PACKAGE-SUCCINCT-NAME : The package-specific name used for pkg-config, # in temporary variables and on the # configure command line. For example, # "mgsp" here is used for --with-mgsp=DIR # or 'pkg-config --cflags mgsp'. # ---------------------------------------------------------------------------- AC_DEFUN([_NL_ARG_WITH_LIBS], [ _NL_ARG_WITH_INCLUDES_OR_LIBS([$1], [$2], [$3], [$4], [$5], [libs], [libraries], [library])dnl ]) # _NL_ARG_WITH_PACKAGE(PACKAGE-DISPOSITION, # PACKAGE-SOURCE, # PACKAGE-PRETTY-NAME, # PACKAGE-VARIABLE-PREFIX, # PACKAGE-SUCCINCT-NAME) # ---------------------------------------------------------------------------- # This is a wrapper around AC_ARG_WITH that provides the ability to # optionally specify a dependent package as # --with-= or to independently specify the # include and link library directories independently as # --with--includes= and # --with--libs=. # # If the package is specified as required, the use of # --without-* or the use of # --with-*=no will result in a fatal error. # # At the successful conclusion of the execution of the macro, # two or more variables will be defined: # # * nl_with_ # * _dir # * _header_dir # * _library_dir # # The package disposition and source are specified by: # # PACKAGE-DISPOSITION : This may be either 'required' if the dependent # package is required or 'optional' if # not. # PACKAGE-SOURCE : This may be either 'internal' if the dependent # package may be provided either # internally or externally to the current # package or 'external' if the dependent # package may only be provided outside of # the current package. This also serves as # the default value for where the # configuration script expects to find the # package. # # The dependent package is specified in three forms: # # PACKAGE-PRETTY-NAME : The human-readable name by which the package # will be referred for any diagnostic output. For # example, "My Great Software Package". # PACKAGE-VARIABLE-PREFIX : The package-specific prefix applied to variables # defined as a result of running this macro for the # packages. For example, "MGSP" here is transformed # into MGSP_CPPFLAGS. # PACKAGE-SUCCINCT-NAME : The package-specific name used for pkg-config, # in temporary variables and on the # configure command line. For example, # "mgsp" here is used for --with-mgsp=DIR # or 'pkg-config --cflags mgsp'. # ---------------------------------------------------------------------------- AC_DEFUN([_NL_ARG_WITH_PACKAGE], [ AC_ARG_WITH($5, AS_HELP_STRING([--with-$5=DIR], [Specify location of the $1 $3 headers and libraries @<:@default=$2@:>@.]), [ if test "${withval}" = "no"; then m4_if([$1], [required], [AC_MSG_ERROR([${PACKAGE_NAME} requires the $3 package.])], [nl_with_$5=${withval}]) elif test "${withval}" = "internal"; then $5_dir=${withval} nl_with_$5=${withval} else $5_dir=${withval} nl_with_$5=external fi ], [$5_dir=; nl_with_$5=$2]) # Allow users to specify external headers and libraries independently. _NL_ARG_WITH_INCLUDES([$1], [$2], [$3], [$4], [$5])dnl _NL_ARG_WITH_LIBS([$1], [$2], [$3], [$4], [$5])dnl ]) # _NL_WITH_PACKAGE(PACKAGE-DISPOSITION, # PACKAGE-SOURCE, # PACKAGE-PRETTY-NAME, # PACKAGE-VARIABLE-PREFIX, # PACKAGE-SUCCINCT-NAME, # [DEFAULT-PACKAGE-LIBS], # [ACTIONS-TO-RUN-IF-NOT-EXTERNAL], # [ACTIONS-TO-RUN-IF-NOT-INTERNAL]) # ---------------------------------------------------------------------------- # This macro is used to test for the presence, with pkg-config if it # is available, of the specified, optional or required dependent # package. The dependent package may be provided externally or may # exist within the current package itself. # # If the package is specified as required, failure to find the # dependent package will result in a fatal error. # # At the successful conclusion of the execution of the macro, three # variables will be defined: # # * _CPPFLAGS # * _LDFLAGS # * _LIBS # # In addition, the variable: # # * nl_with_ # # will unconditionally be set to the source of the package if it is to # be used and is found; otherwise, 'no' if it is not to be used. # # The package disposition and source are specified by: # # PACKAGE-DISPOSITION : This may be either 'required' if the dependent # package is required or 'optional' if # not. # PACKAGE-SOURCE : This may be either 'internal' if the dependent # package may be provided either # internally or externally to the current # package or 'external' if the dependent # package may only be provided outside of # the current package. This also serves as # the default value for where the # configuration script expects to find the # package. # # The dependent package is specified in three forms: # # PACKAGE-PRETTY-NAME : The human-readable name by which the package # will be referred for any diagnostic output. For # example, "My Great Software Package". # PACKAGE-VARIABLE-PREFIX : The package-specific prefix applied to variables # defined as a result of running this macro for the # packages. For example, "MGSP" here is transformed # into MGSP_CPPFLAGS. # PACKAGE-SUCCINCT-NAME : The package-specific name used for pkg-config, # in temporary variables and on the # configure command line. For example, # "mgsp" here is used for --with-mgsp=DIR # or 'pkg-config --cflags mgsp'. # # In addition, if any additional, default link libraries are required # for use with the package, these are specified as: # # DEFAULT-PACKAGE-LIBS : Default link libraries required for use with # the package. These are used if pkg-config is # not available or cannot identify any # such libraries. For example, '-lmgsp'. # # If the package is specified, either internally or externally, optional # actions are run. # # ACTIONS-TO-RUN-IF-NOT-EXTERNAL : Optional actions to run if the package # is not external. # ACTIONS-TO-RUN-IF-NOT-INTERNAL : Optional actions to run if the package # is not internal. # ---------------------------------------------------------------------------- AC_DEFUN([_NL_WITH_PACKAGE], [ # Influential external variables for the package support AC_ARG_VAR($4_CPPFLAGS, [$3 C preprocessor flags]) AC_ARG_VAR($4_LDFLAGS, [$3 linker flags]) AC_ARG_VAR($4_LIBS, [$3 linker libraries]) # Allow the user to specify both external headers and libraries # together (or internal). _NL_ARG_WITH_PACKAGE([$1], [$2], [$3], [$4], [$5])dnl if test "${nl_with_$5}" == "no"; then AC_MSG_CHECKING([whether to use the $3 package]) AC_MSG_RESULT([${nl_with_$5}]) else AC_MSG_CHECKING([source of the $3 package]) AC_MSG_RESULT([${nl_with_$5}]) # If the user has selected or has defaulted into the internal $3 # package, set the values appropriately. Otherwise, run through the # usual routine. if test "${nl_with_$5}" = "internal"; then $7 else # We always prefer checking the values of the various '--with-$5-...' # options first to using pkg-config because the former might be used # in a cross-compilation environment on a system that also contains # pkg-config. In such a case, the user wants what he/she specified # rather than what pkg-config indicates. if test "x${$5_dir}" != "x" -o "x${$5_header_dir}" != "x" -o "x${$5_library_dir}" != "x"; then if test "x${$5_dir}" != "x"; then if test -d "${$5_dir}"; then if test -d "${$5_dir}/include"; then $4_CPPFLAGS="-I${$5_dir}/include" else $4_CPPFLAGS="-I${$5_dir}" fi if test -d "${$5_dir}/lib"; then $4_LDFLAGS="-L${$5_dir}/lib" else $4_LDFLAGS="-L${$5_dir}" fi else AC_MSG_ERROR([No such directory ${$5_dir}]) fi fi if test "x${$5_header_dir}" != "x"; then if test -d "${$5_header_dir}"; then $4_CPPFLAGS="-I${$5_header_dir}" else AC_MSG_ERROR([No such directory ${$5_header_dir}]) fi fi if test "x${$5_library_dir}" != "x"; then if test -d "${$5_library_dir}"; then $4_LDFLAGS="-L${$5_library_dir}" else AC_MSG_ERROR([No such directory ${$5_library_dir}]) fi fi $4_LIBS="${$4_LDFLAGS} $6" elif test "x${PKG_CONFIG}" != "x"; then if ${PKG_CONFIG} --exists "$5"; then $4_CPPFLAGS="`${PKG_CONFIG} --cflags $5`" $4_LDFLAGS="`${PKG_CONFIG} --libs-only-L $5`" $4_LIBS="`${PKG_CONFIG} --libs-only-l $5`" else m4_if([$1], [required], [AC_MSG_ERROR([Cannot find the $5 package with ${PKG_CONFIG}. ${PACKAGE_NAME} requires the $5 package. Try installing the package or use the relevant --with options to configure.])], [nl_with_$5="no"]) fi else m4_if([$1], [required], [AC_MSG_ERROR([Cannot find the $3 package. ${PACKAGE_NAME} requires the $3 package.])], [nl_with_$5="no"]) fi fi AC_SUBST($4_CPPFLAGS) AC_SUBST($4_LDFLAGS) AC_SUBST($4_LIBS) if test "${nl_with_$5}" != "internal" -a "${nl_with_$5}" != "no"; then nl_saved_CPPFLAGS="${CPPFLAGS}" nl_saved_LDFLAGS="${LDFLAGS}" nl_saved_LIBS="${LIBS}" CPPFLAGS="${CPPFLAGS} ${$4_CPPFLAGS}" LDFLAGS="${LDFLAGS} ${$4_LDFLAGS}" LIBS="${LIBS} ${$4_LIBS}" $8 CPPFLAGS="${nl_saved_CPPFLAGS}" LDFLAGS="${nl_saved_LDFLAGS}" LIBS="${nl_saved_LIBS}" fi fi ]) # NL_WITH_REQUIRED_EXTERNAL_PACKAGE(PACKAGE-PRETTY-NAME, # PACKAGE-VARIABLE-PREFIX, # PACKAGE-SUCCINCT-NAME, # [DEFAULT-PACKAGE-LIBS], # [ACTIONS-TO-RUN]) # ---------------------------------------------------------------------------- # This macro is used to test for the presence, with pkg-config if it # is available, of the specified, required external dependent package. # # Failure to find the dependent package will result in a fatal error. # # The dependent package is specified in three forms: # # PACKAGE-PRETTY-NAME : The human-readable name by which the package # will be referred for any diagnostic output. For # example, "My Great Software Package". # PACKAGE-VARIABLE-PREFIX : The package-specific prefix applied to variables # defined as a result of running this macro for the # packages. For example, "MGSP" here is transformed # into MGSP_CPPFLAGS. # PACKAGE-SUCCINCT-NAME : The package-specific name used for pkg-config, # in temporary variables and on the # configure command line. For example, # "mgsp" here is used for --with-mgsp=DIR # or 'pkg-config --cflags mgsp'. # # In addition, if any additional, default link libraries are required # for use with the package, these are specified as: # # DEFAULT-PACKAGE-LIBS : Default link libraries required for use with # the package. These are used if pkg-config is # not available or cannot identify any # such libraries. For example, '-lmgsp'. # # If the package is specified, optional actions are run. # # ACTIONS-TO-RUN-IF-FOUND : Optional actions to run if the package is found. # ---------------------------------------------------------------------------- AC_DEFUN([NL_WITH_REQUIRED_EXTERNAL_PACKAGE], [ _NL_WITH_PACKAGE([required], [external], [$1], [$2], [$3], [$4], [:], [$5])dnl ]) # NL_WITH_OPTIONAL_EXTERNAL_PACKAGE(PACKAGE-PRETTY-NAME, # PACKAGE-VARIABLE-PREFIX, # PACKAGE-SUCCINCT-NAME, # [DEFAULT-PACKAGE-LIBS], # [ACTIONS-TO-RUN]) # ---------------------------------------------------------------------------- # This macro is used to test for the presence, with pkg-config if it # is available, of the specified, optional external dependent package. # # Failure to find the dependent package will NOT result in a fatal error. # # The dependent package is specified in three forms: # # PACKAGE-PRETTY-NAME : The human-readable name by which the package # will be referred for any diagnostic output. For # example, "My Great Software Package". # PACKAGE-VARIABLE-PREFIX : The package-specific prefix applied to variables # defined as a result of running this macro for the # packages. For example, "MGSP" here is transformed # into MGSP_CPPFLAGS. # PACKAGE-SUCCINCT-NAME : The package-specific name used for pkg-config, # in temporary variables and on the # configure command line. For example, # "mgsp" here is used for --with-mgsp=DIR # or 'pkg-config --cflags mgsp'. # # In addition, if any additional, default link libraries are required # for use with the package, these are specified as: # # DEFAULT-PACKAGE-LIBS : Default link libraries required for use with # the package. These are used if pkg-config is # not available or cannot identify any # such libraries. For example, '-lmgsp'. # # If the package is specified, optional actions are run. # # ACTIONS-TO-RUN-IF-FOUND : Optional actions to run if the package is found. # ---------------------------------------------------------------------------- AC_DEFUN([NL_WITH_OPTIONAL_EXTERNAL_PACKAGE], [ _NL_WITH_PACKAGE([optional], [external], [$1], [$2], [$3], [$4], [:], [$5])dnl ]) # NL_WITH_REQUIRED_INTERNAL_PACKAGE(PACKAGE-PRETTY-NAME, # PACKAGE-VARIABLE-PREFIX, # PACKAGE-SUCCINCT-NAME, # [DEFAULT-PACKAGE-LIBS], # [ACTIONS-TO-RUN-IF-NOT-EXTERNAL], # [ACTIONS-TO-RUN-IF-NOT-INTERNAL]) # ---------------------------------------------------------------------------- # This macro is used to test for the presence, with pkg-config if it # is available, of the specified, required dependent package. The dependent # package may be provided externally or may exist within the current # package itself. # # Failure to find the dependent package will result in a fatal error. # # The dependent package is specified in three forms: # # PACKAGE-PRETTY-NAME : The human-readable name by which the package # will be referred for any diagnostic output. For # example, "My Great Software Package". # PACKAGE-VARIABLE-PREFIX : The package-specific prefix applied to variables # defined as a result of running this macro for the # packages. For example, "MGSP" here is transformed # into MGSP_CPPFLAGS. # PACKAGE-SUCCINCT-NAME : The package-specific name used for pkg-config, # in temporary variables and on the # configure command line. For example, # "mgsp" here is used for --with-mgsp=DIR # or 'pkg-config --cflags mgsp'. # # In addition, if any additional, default link libraries are required # for use with the package, these are specified as: # # DEFAULT-PACKAGE-LIBS : Default link libraries required for use with # the package. These are used if pkg-config is # not available or cannot identify any # such libraries. For example, '-lmgsp'. # # If the package is specified, either internally or externally, optional # actions are run. # # ACTIONS-TO-RUN-IF-NOT-EXTERNAL : Optional actions to run if the package # is not external. # ACTIONS-TO-RUN-IF-NOT-INTERNAL : Optional actions to run if the package # is not internal. # ---------------------------------------------------------------------------- AC_DEFUN([NL_WITH_REQUIRED_INTERNAL_PACKAGE], [ _NL_WITH_PACKAGE([required], [internal], [$1], [$2], [$3], [$4], [$5], [$6])dnl ]) # NL_WITH_OPTIONAL_INTERNAL_PACKAGE(PACKAGE-PRETTY-NAME, # PACKAGE-VARIABLE-PREFIX, # PACKAGE-SUCCINCT-NAME, # [DEFAULT-PACKAGE-LIBS], # [ACTIONS-TO-RUN-IF-NOT-EXTERNAL], # [ACTIONS-TO-RUN-IF-NOT-INTERNAL]) # ---------------------------------------------------------------------------- # This macro is used to test for the presence, with pkg-config if it # is available, of the specified, optional dependent package. The dependent # package may be provided externally or may exist within the current # package itself. # # Failure to find the dependent package will NOT result in a fatal error. # # The dependent package is specified in three forms: # # PACKAGE-PRETTY-NAME : The human-readable name by which the package # will be referred for any diagnostic output. For # example, "My Great Software Package". # PACKAGE-VARIABLE-PREFIX : The package-specific prefix applied to variables # defined as a result of running this macro for the # packages. For example, "MGSP" here is transformed # into MGSP_CPPFLAGS. # PACKAGE-SUCCINCT-NAME : The package-specific name used for pkg-config, # in temporary variables and on the # configure command line. For example, # "mgsp" here is used for --with-mgsp=DIR # or 'pkg-config --cflags mgsp'. # # In addition, if any additional, default link libraries are required # for use with the package, these are specified as: # # DEFAULT-PACKAGE-LIBS : Default link libraries required for use with # the package. These are used if pkg-config is # not available or cannot identify any # such libraries. For example, '-lmgsp'. # # If the package is specified, either internally or externally, optional # actions are run. # # ACTIONS-TO-RUN-IF-NOT-EXTERNAL : Optional actions to run if the package # is not external. # ACTIONS-TO-RUN-IF-NOT-INTERNAL : Optional actions to run if the package # is not internal. # ---------------------------------------------------------------------------- AC_DEFUN([NL_WITH_OPTIONAL_INTERNAL_PACKAGE], [ _NL_WITH_PACKAGE([optional], [internal], [$1], [$2], [$3], [$4], [$5], [$6])dnl ]) # NL_WITH_PACKAGE(PACKAGE-PRETTY-NAME, PACKAGE-VARIABLE-PREFIX, # PACKAGE-SUCCINCT-NAME, [DEFAULT-PACKAGE-LIBS], # [ACTIONS-TO-RUN-IF-NOT-EXTERNAL], # [ACTIONS-TO-RUN-IF-NOT-INTERNAL]) # ---------------------------------------------------------------------------- # This macro is used to test for the presence, with pkg-config if it # is available, of the specified dependent package. The dependent # package may be provided externally or may exist within the current # package itself. # # The dependent package is specified in three forms: # # PACKAGE-PRETTY-NAME : The human-readable name by which the package # will be referred for any diagnostic output. For # example, "My Great Software Package". # PACKAGE-VARIABLE-PREFIX : The package-specific prefix applied to variables # defined as a result of running this macro for the # packages. For example, "MGSP" here is transformed # into MGSP_CPPFLAGS. # PACKAGE-SUCCINCT-NAME : The package-specific name used for pkg-config, # in temporary variables and on the # configure command line. For example, # "mgsp" here is used for --with-mgsp=DIR # or 'pkg-config --cflags mgsp'. # # In addition, if any additional, default link libraries are required # for use with the package, these are specified as: # # DEFAULT-PACKAGE-LIBS : Default link libraries required for use with # the package. These are used if pkg-config is # not available or cannot identify any # such libraries. For example, '-lmgsp'. # # If the package is specified, either internally or externally, optional # actions are run. # # ACTIONS-TO-RUN-IF-NOT-EXTERNAL : Optional actions to run if the package # is not external. # ACTIONS-TO-RUN-IF-NOT-INTERNAL : Optional actions to run if the package # is not internal. # ---------------------------------------------------------------------------- AC_DEFUN([NL_WITH_PACKAGE], [ m4_warn(obsolete, [$0: this macro has been deprecated. Consider using NL_WITH_REQUIRED_INTERNAL_PACKAGE instead.]) NL_WITH_REQUIRED_INTERNAL_PACKAGE([$1], [$2], [$3], [$4], [$5], [$6])dnl ])