Initial support for custom build rules in makefiles
This commit is contained in:
Jason Perkins
parent
6df59080eb
commit
2dd8552258
@ -179,22 +179,60 @@
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local tr = project.getsourcetree(prj)
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premake.tree.traverse(tr, {
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onleaf = function(node, depth)
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if path.iscppfile(node.abspath) then
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local objectname = project.getfileobject(prj, node.abspath)
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_p('$(OBJDIR)/%s.o: %s', make.esc(objectname), make.esc(node.relpath))
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_p('\t@echo $(notdir $<)')
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cpp.buildcommand(prj)
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elseif path.isresourcefile(node.abspath) then
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local objectname = project.getfileobject(prj, node.abspath)
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_p('$(OBJDIR)/%s.res: %s', make.esc(objectname), make.esc(node.relpath))
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_p('\t@echo $(notdir $<)')
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_p('\t$(SILENT) $(RESCOMP) $< -O coff -o "$@" $(RESFLAGS)')
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-- check to see if this file has custom rules
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local rules
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for cfg in project.eachconfig(prj) do
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local filecfg = config.getfileconfig(cfg, node.abspath)
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if filecfg and filecfg.buildrule then
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rules = true
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break
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end
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end
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-- if it has custom rules, need to break them out
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-- into individual configurations
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if rules then
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cpp.customfilerules(prj, node)
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else
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cpp.standardfilerules(prj, node)
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end
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end
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})
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_p('')
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end
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function cpp.standardfilerules(prj, node)
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-- C/C++ file
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if path.iscppfile(node.abspath) then
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local objectname = project.getfileobject(prj, node.abspath)
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_p('$(OBJDIR)/%s.o: %s', make.esc(objectname), make.esc(node.relpath))
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_p('\t@echo $(notdir $<)')
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cpp.buildcommand(prj)
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-- resource file
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elseif path.isresourcefile(node.abspath) then
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local objectname = project.getfileobject(prj, node.abspath)
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_p('$(OBJDIR)/%s.res: %s', make.esc(objectname), make.esc(node.relpath))
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_p('\t@echo $(notdir $<)')
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_p('\t$(SILENT) $(RESCOMP) $< -O coff -o "$@" $(RESFLAGS)')
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end
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end
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function cpp.customfilerules(prj, node)
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for cfg in project.eachconfig(prj) do
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local filecfg = config.getfileconfig(cfg, node.abspath)
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local rule = filecfg.buildrule
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_p('ifeq ($(config),%s)', make.esc(cfg.shortname))
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_p('%s: %s', make.esc(rule.outputs[1]), make.esc(filecfg.relpath))
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_p('\t@echo "%s"', rule.description)
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for _, cmd in ipairs(rule.commands) do
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_p('\t$(SILENT) %s', cmd)
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end
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_p('endif')
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end
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end
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--
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-- Compile flags
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@ -261,53 +299,72 @@
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local tr = project.getsourcetree(prj)
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premake.tree.traverse(tr, {
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onleaf = function(node, depth)
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-- identify the file type
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local kind
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if path.iscppfile(node.abspath) then
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kind = "objects"
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elseif path.isresourcefile(node.abspath) then
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kind = "resources"
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end
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-- skip files that aren't compiled
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if not kind then
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return
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end
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-- assign a unique object file name to avoid collisions from
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-- files at different folder levels with the same name
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local objectname = project.getfileobject(prj, node.abspath)
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-- see what set of configurations contains this file
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local inallcfgs = true
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-- figure out what configurations contain this file, and
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-- if it uses custom build rules
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local inall = true
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local custom = false
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for cfg in project.eachconfig(prj) do
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local filecfg = config.getfileconfig(cfg, node.abspath)
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incfg[cfg] = (filecfg ~= nil)
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if not filecfg then
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inallcfgs = false
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if filecfg then
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incfg[cfg] = filecfg
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custom = (filecfg.buildrule ~= nil)
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else
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inall = false
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end
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end
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-- if this file exists in all configurations, write it to
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-- the project's list of files, else add to specific cfgs
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if inallcfgs then
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table.insert(root[kind], objectname)
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if not custom then
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-- identify the file type
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local kind
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if path.iscppfile(node.abspath) then
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kind = "objects"
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elseif path.isresourcefile(node.abspath) then
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kind = "resources"
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end
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-- skip files that aren't compiled
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if not custom and not kind then
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return
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end
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-- assign a unique object file name to avoid collisions
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local objectname = project.getfileobject(prj, node.abspath)
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objectname = "$(OBJDIR)/" .. objectname .. iif(kind == "objects", ".o", ".res")
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-- if this file exists in all configurations, write it to
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-- the project's list of files, else add to specific cfgs
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if inall then
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table.insert(root[kind], objectname)
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else
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for cfg in project.eachconfig(prj) do
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if incfg[cfg] then
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table.insert(configs[cfg][kind], objectname)
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end
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end
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end
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else
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for cfg in project.eachconfig(prj) do
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if incfg[cfg] then
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table.insert(configs[cfg][kind], objectname)
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local filecfg = incfg[cfg]
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if filecfg then
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-- if the custom build outputs an object file, add it to
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-- the link step automatically to match Visual Studio
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local output = filecfg.buildrule.outputs[1]
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if path.isobjectfile(output) then
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table.insert(configs[cfg].objects, output)
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end
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end
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end
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end
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end
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})
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-- now I can write out the lists, project level first...
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function listobjects(var, list, ext)
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function listobjects(var, list)
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_p('%s \\', var)
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for _, objectname in ipairs(list) do
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_p('\t$(OBJDIR)/%s.%s \\', make.esc(objectname), ext)
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_p('\t%s \\', make.esc(objectname))
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end
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_p('')
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end
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@ -321,10 +378,10 @@
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if #files.objects > 0 or #files.resources > 0 then
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_p('ifeq ($(config),%s)', make.esc(cfg.shortname))
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if #files.objects > 0 then
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listobjects(' OBJECTS +=', files.objects, 'o')
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listobjects(' OBJECTS +=', files.objects)
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end
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if #files.resources > 0 then
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listobjects(' RESOURCES +=', files.resources, 'res')
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listobjects(' RESOURCES +=', files.resources)
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end
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_p('endif')
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_p('')
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@ -274,6 +274,7 @@
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fcfg.vpath = fcfg.relpath
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end
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fcfg.name = path.getname(filename)
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fcfg.basename = path.getbasename(filename)
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fcfg.path = fcfg.relpath
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@ -43,3 +43,36 @@ $(OBJDIR)/hello1.o: src/hello.cpp
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]]
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end
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--
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-- If a custom build rule is supplied, it should be used.
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--
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function suite.customBuildRule()
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files { "hello.x" }
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configuration "**.x"
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buildrule {
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description = "Compiling %{file.name}",
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commands = {
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'cxc -c "%{file.path}" -o "%{cfg.objdir}/%{file.basename}.xo"',
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'c2o -c "%{cfg.objdir}/%{file.basename}.xo" -o "%{cfg.objdir}/%{file.basename}.obj"'
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},
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outputs = { "%{cfg.objdir}/%{file.basename}.obj" }
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}
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prepare()
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test.capture [[
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ifeq ($(config),debug)
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obj/Debug/hello.obj: hello.x
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@echo "Compiling hello.x"
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$(SILENT) cxc -c "hello.x" -o "obj/Debug/hello.xo"
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$(SILENT) c2o -c "obj/Debug/hello.xo" -o "obj/Debug/hello.obj"
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endif
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ifeq ($(config),release)
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obj/Release/hello.obj: hello.x
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@echo "Compiling hello.x"
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$(SILENT) cxc -c "hello.x" -o "obj/Release/hello.xo"
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$(SILENT) c2o -c "obj/Release/hello.xo" -o "obj/Release/hello.obj"
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endif
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]]
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end
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@ -112,3 +112,37 @@ RESOURCES := \
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]]
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end
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--
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-- If a custom rule builds to an object file, include it in the
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-- link automatically to match the behavior of Visual Studio
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--
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function suite.customBuildRule()
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files { "hello.x" }
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configuration "**.x"
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buildrule {
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description = "Compiling %{file.name}",
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commands = {
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'cxc -c "%{file.path}" -o "%{cfg.objdir}/%{file.basename}.xo"',
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'c2o -c "%{cfg.objdir}/%{file.basename}.xo" -o "%{cfg.objdir}/%{file.basename}.obj"'
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},
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outputs = { "%{cfg.objdir}/%{file.basename}.obj" }
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}
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prepare()
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test.capture [[
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OBJECTS := \
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RESOURCES := \
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ifeq ($(config),debug)
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OBJECTS += \
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obj/Debug/hello.obj \
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endif
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]]
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end
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