diff options
| -rw-r--r-- | INSTALL | 17 | ||||
| -rw-r--r-- | build_system_log.gpr | 28 | ||||
| -rw-r--r-- | comfignat.gpr.gp | 20 | ||||
| -rw-r--r-- | comfignat.mk | 54 | ||||
| -rw-r--r-- | system_log.gpr.gp | 2 |
5 files changed, 90 insertions, 31 deletions
@@ -118,12 +118,21 @@ invoke Gnatprep. You may need to define them if you run Gnatprep manually. above will be used if the symbols are undefined. -Build Tools and Options ------------------------ +Building a Shared or Static Library +----------------------------------- + +System_Log can be built either as a shared library or as a static library. +The Make variable library_type controls which kind of library is built. The +valid values are "dynamic", "static", and "relocatable" which is an alias for +"dynamic". The default is to build a shared library, that is "dynamic". + + +Build Tools and their Arguments +------------------------------- The following variables, which may be set in the environment or on the Make command line, control which programs are invoked to do the build and which -options are passed to them: +arguments are passed to them: GNATPREP The command for invoking Gnatprep, in case you want to use a nondefault @@ -168,7 +177,7 @@ options are passed to them: Copyright of This File ---------------------- -Copyright 2013 B. Persson, Bjorn@Rombobeorn.se +Copyright 2013 - 2016 B. Persson, Bjorn@Rombobeorn.se This material is provided as is, with absolutely no warranty expressed or implied. Any use is at your own risk. diff --git a/build_system_log.gpr b/build_system_log.gpr index b907fd5..ff2af50 100644 --- a/build_system_log.gpr +++ b/build_system_log.gpr @@ -10,19 +10,29 @@ with "comfignat.gpr"; library project Build_System_Log is + for Library_Name use "adasyslog"; + for Library_Kind use Comfignat.Library_Type; + for Object_Dir use Comfignat.Objdir; + for Library_Src_Dir use Comfignat.Stage_Includedir & "/adasyslog"; + for Library_Dir use Comfignat.Stage_Libdir; + for Library_ALI_Dir use Comfignat.Stage_Alidir & "/adasyslog"; + + -- When building a shared library we want Library_Interface to make the + -- library elaborate itself automatically. For a static library we need to + -- avoid Library_Interface so that GNAT will automatically make a using + -- program handle elaboration of the library. + -- Library_Version sets the soname, which only shared libraries have. -- An attempt to use a two-part version number at the end of the soname -- caused Gnatmake and GPRbuild to include only the major version number, -- so for compatibility the soname is libadasyslog.so.1 until an ABI change -- is made, if that ever happens. - - for Library_Name use "adasyslog"; - for Library_Kind use "dynamic"; - for Library_Version use "libadasyslog.so.1"; - for Library_Interface use ("System_Log"); - for Object_Dir use Comfignat.Objdir; - for Library_Src_Dir use Comfignat.Stage_Includedir & "/adasyslog"; - for Library_Dir use Comfignat.Stage_Libdir; - for Library_ALI_Dir use Comfignat.Stage_Alidir & "/adasyslog"; + case Comfignat.Library_Type is + when "dynamic" | "relocatable" => + for Library_Version use "libadasyslog.so.1"; + for Library_Interface use ("System_Log"); + when "static" => + null; + end case; package Compiler is for Default_Switches ("Ada") use ("-gnato"); diff --git a/comfignat.gpr.gp b/comfignat.gpr.gp index b9ea446..e024f90 100644 --- a/comfignat.gpr.gp +++ b/comfignat.gpr.gp @@ -1,5 +1,5 @@ -- Comfignat configuration variables for GNAT project files --- Copyright 2013 - 2015 B. Persson, Bjorn@Rombobeorn.se +-- Copyright 2013 - 2016 B. Persson, Bjorn@Rombobeorn.se -- -- This material is provided as is, with absolutely no warranty expressed -- or implied. Any use is at your own risk. @@ -11,7 +11,7 @@ -- modified is included with the above copyright notice. --- This file is part of Comfignat 1.4 – common, convenient, command-line- +-- This file is part of Comfignat 1.5 – common, convenient, command-line- -- controlled compile-time configuration of software built with the GNAT tools. -- For information about Comfignat, see http://www.Rombobeorn.se/Comfignat/. @@ -313,4 +313,20 @@ abstract project Comfignat is Stage_Alidir := Stagedir & Alidir; #end if; + + -- + -- Other configuration than directories: + -- + + -- If a library can be built as either shared or static, then Library_Type + -- shall be used to set the attribute Library_Kind. It can be overridden on + -- the builder command line, which makes it possible to write a makefile + -- that builds both a shared and a static library. + type Library_Kind is ("dynamic", "relocatable", "static"); + #if Library_Type'Defined then + Library_Type : Library_Kind := external("LIBRARY_TYPE", $Library_Type); + #else + Library_Type : Library_Kind := external("LIBRARY_TYPE", "dynamic"); + #end if; + end Comfignat; diff --git a/comfignat.mk b/comfignat.mk index f9f2038..b71efb2 100644 --- a/comfignat.mk +++ b/comfignat.mk @@ -1,5 +1,5 @@ # Comfignat makefile foundation for configuring and building GNAT projects -# Copyright 2013 - 2015 B. Persson, Bjorn@Rombobeorn.se +# Copyright 2013 - 2016 B. Persson, Bjorn@Rombobeorn.se # # This material is provided as is, with absolutely no warranty expressed # or implied. Any use is at your own risk. @@ -11,7 +11,7 @@ # modified is included with the above copyright notice. -# This file is part of Comfignat 1.4 – common, convenient, command-line- +# This file is part of Comfignat 1.5 – common, convenient, command-line- # controlled compile-time configuration of software built with the GNAT tools. # For information about Comfignat, see http://www.Rombobeorn.se/Comfignat/. @@ -148,6 +148,10 @@ relocatable_package = false # breaking the project files. # dirgpr takes precedence over relocatable_package. +library_type = dynamic +# If a library can be built as either shared or static, then library_type shall +# be used to set the attribute Library_Kind in the project files. + prefix = /usr/local exec_prefix = ${prefix} datarootdir = ${prefix}/share @@ -212,6 +216,16 @@ srcdir := ${abspath ${dir ${lastword ${MAKEFILE_LIST}}}} # as the directory part of the last pathname in MAKEFILE_LIST – which is this # file since there is no include directive above this point. +srcsubdir := ${abspath ${dir ${firstword ${MAKEFILE_LIST}}}} +# Unlike other directory variables, srcsubdir varies between Make invocations +# when there are several Comfignat-using makefiles in subdirectories in the +# source tree. Its value is the directory of the makefile that the current Make +# process was invoked with. This will often be the same as CURDIR, but not for +# the main makefile when it's invoked from a delegating makefile in a separate +# build directory, as CURDIR is then the build directory. +# (dir must be called before abspath in case a parent directory name contains +# spaces, because dir operates on a space-separated list.) + stage_bindir = ${stagedir}${bindir} stage_libexecdir = ${stagedir}${libexecdir} stage_datadir = ${stagedir}${datadir} @@ -232,6 +246,7 @@ stage_miscdocdir = ${stagedir}${miscdocdir} # written during the build. Make_srcdir = ${call Make_pathname,srcdir} +Make_srcsubdir = ${call Make_pathname,srcsubdir} Make_builddir = ${call Make_pathname,builddir} Make_objdir = ${call Make_pathname,objdir} Make_stagedir = ${call Make_pathname,stagedir} @@ -257,14 +272,14 @@ Make_miscdocdir = ${call Make_pathname,stage_miscdocdir} preprocess_file = "${GNATPREP}" ${firstword ${filter %.gp,$^}} $@ \ ${options_preprocessing} ${Gnatprep_arguments} \ ${if ${filter ${notdir $@},${notdir ${usage_GPRs}}}, \ - ${usage_directories}, \ + ${usage_directories} '-DLibrary_Type="${library_type}"', \ '-DSrcdir="${srcdir}"'} \ ${GNATPREPFLAGS} # preprocess_file is a command for use in recipes. It runs the first .gp file # among the rule's prerequisites through Gnatprep to produce the target. If the -# target is a usage project, then the usage-relevant directory variables are -# conveyed to it as Gnatprep symbols. Otherwise srcdir is conveyed, as it's -# needed by preprocessed build projects. +# target is a usage project, then the usage-relevant variables are conveyed to +# it as Gnatprep symbols. Otherwise srcdir is conveyed, as it's needed by +# preprocessed build projects. build_GPR = "${GNAT_BUILDER}" -P ${firstword ${filter %.gpr,$^}} \ ${addprefix -aP,${VPATH}} -p \ @@ -350,7 +365,7 @@ endif ifneq (${origin preprocessed_files},file) preprocessed_files = \ ${filter-out ${notdir ${usage_GPRs}}, \ - ${basename ${notdir ${wildcard ${Make_srcdir}/*.gp}}}} + ${basename ${notdir ${wildcard ${Make_srcsubdir}/*.gp}}}} endif # preprocessed_files is a list of files to be produced in the preprocessing # step at the beginning of the build. Containing makefiles may override it or @@ -396,7 +411,7 @@ configuration_variables += \ GNATPREPFLAGS GNAT_BUILDER_FLAGS ADAFLAGS CPPFLAGS CFLAGS CXXFLAGS FFLAGS \ GNATBINDFLAGS GNATLINKFLAGS LDFLAGS GNATFLAGS \ DESTDIR \ - dirgpr relocatable_package \ + dirgpr relocatable_package library_type \ prefix exec_prefix datarootdir localstatedir \ bindir libexecdir \ datadir sysconfdir statedir cachedir logdir runstatedir lockdir \ @@ -574,12 +589,20 @@ options_building = ${addprefix -X,${option_values}} # Some other data that the rules below need: # -main_makefile := ${firstword ${MAKEFILE_LIST}} -delegation_command = @$${MAKE} --file=${abspath ${main_makefile}} \ - --include-dir=${abspath ${dir ${main_makefile}}} +delegation_command = @\$${MAKE} \ + '--file=${abspath ${firstword ${MAKEFILE_LIST}}}' \ + '--include-dir=${srcsubdir}' # delegation_command is the Make command line that delegating makefiles in # separate build directories use to delegate commands to the main makefile. The # first pathname in MAKEFILE_LIST is the main makefile. +# The --file parameter remembers the main makefile that was used to write the +# delegating makefile. +# The --include-dir parameter allows the main makefile to find comfignat.mk +# relative to its own location. +# The working directory is not changed, so that any relative pathnames passed +# in will be resolved relative to the build directory. (Note that sub-Makes in +# subdirectories can still change the working directory). + build_targets = ${addsuffix .phony_target,${build_GPRs}} # A phony target is defined for each build project, and the job of determining @@ -613,8 +636,8 @@ ${Make_gprdir}/: # How to initialize a build directory with a delegating makefile: ${Make_builddir}/Makefile: | ${Make_builddir}/ @echo 'Writing $@.' - @( echo 'Comfignat_default_goal: force ; ${delegation_command}'; \ - echo '%: force ; ${delegation_command} $$@'; \ + @( echo "Comfignat_default_goal: force ; ${delegation_command}"; \ + echo "%: force ; ${delegation_command} "'$$@'; \ echo 'force: ;'; \ echo 'Makefile: ;' \ ) > $@ @@ -673,7 +696,8 @@ show_configuration:: # How to preprocess the project Comfignat: ${Make_builddir}/comfignat.gpr: comfignat.gpr.gp | ${Make_builddir}/ - "${GNATPREP}" $< $@ -DInvoked_By_Makefile ${all_directories} ${GNATPREPFLAGS} + "${GNATPREP}" $< $@ -DInvoked_By_Makefile ${all_directories} \ + '-DLibrary_Type="${library_type}"' ${GNATPREPFLAGS} # How to preprocess files that are needed during the build: ${Make_builddir}/%: %.gp | ${Make_builddir}/ @@ -698,7 +722,7 @@ preprocess: $${preprocessed_files_in_builddir} # done before any project is built. .PHONY: base -base: $${build_targets} +base: $${build_targets} preprocess # This builds the projects listed in build_GPRs, plus any additional # prerequisites that the containing makefile might add. diff --git a/system_log.gpr.gp b/system_log.gpr.gp index 7bb2c6d..1962134 100644 --- a/system_log.gpr.gp +++ b/system_log.gpr.gp @@ -12,7 +12,7 @@ with $Directories_GPR; library project System_Log is for Library_Name use "adasyslog"; - for Library_Kind use "dynamic"; + for Library_Kind use $Library_Type; for Source_Dirs use ($Includedir & "/adasyslog"); for Library_Dir use $Libdir; for Library_ALI_Dir use $Alidir & "/adasyslog"; |