143 lines
4.4 KiB
Markdown
143 lines
4.4 KiB
Markdown
+++
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title = "scons"
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draft = false
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tags = [
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"",
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"Users",
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"jefklak",
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"Downloads",
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"pages",
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"code",
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"build",
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"scons"
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]
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date = "2014-03-24"
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+++
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# SCons
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1. [SCons Wiki Frontpage](http://www.scons.org/wiki/FrontPage)
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2. [Single HTML Manpage](http://www.scons.org/doc/HTML/scons-man.html#lbAF)
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3. [SCons Construction Variables](http://www.scons.org/doc/0.96.90/HTML/scons-user/a3061.html) om bvb de compiler te specifiëren.
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### Opsplitsen SConstruct en SConscript
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Waarom? http://www.scons.org/doc/2.1.0/HTML/scons-user/c3356.html
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Build output definiëren, duplicate source files, etc. Voorbeeld `SConstruct` file:
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```python
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SConscript('SConscript', variant_dir######'build', duplicate0)
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```
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Voorbeeld file om Google Test mee te (proberen) builden `SConscript`:
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```python
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def Glob( pattern ###### '*.*', dir '.' ):
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import os, fnmatch
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files = []
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for file in os.listdir( Dir(dir).srcnode().abspath ):
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if fnmatch.fnmatch(file, pattern) :
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files.append( os.path.join( dir, file ) )
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return files
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# construction variables: http://www.scons.org/doc/0.96.90/HTML/scons-user/a3061.html
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env ###### Environment(CXX 'g++',
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CPPPATH = '../:./include')
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# add to library search path env.Append(LIBPATH = ['/usr/local/lib/'])
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# add to libraries link path env.Append(LIBS = ['SDL_image','GL'])
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env.Append(CPPFLAGS = ['-isystem ./include'])
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env.Append(CXXFLAGS = ['-g', '-Wall', '-Wextra', '-pthread'])
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env.SharedLibrary(target ###### 'gtest_main.dll', source ['../src/gtest-all.cc'])
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# after that, we should link with gtest_main
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```
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Poging tot converteren van deze voorbeeld `Makefile` - supplied bij de gtest sources:
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```
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# A sample Makefile for building Google Test and using it in user
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# tests. Please tweak it to suit your environment and project. You
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# may want to move it to your project's root directory.
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#
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# SYNOPSIS:
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#
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# make [all] - makes everything.
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# make TARGET - makes the given target.
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# make clean - removes all files generated by make.
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# Please tweak the following variable definitions as needed by your
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# project, except GTEST_HEADERS, which you can use in your own targets
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# but shouldn't modify.
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# Points to the root of Google Test, relative to where this file is.
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# Remember to tweak this if you move this file.
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GTEST_DIR = ..
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# Where to find user code.
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USER_DIR = ../samples
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# Flags passed to the preprocessor.
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# Set Google Test's header directory as a system directory, such that
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# the compiler doesn't generate warnings in Google Test headers.
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CPPFLAGS += -isystem $(GTEST_DIR)/include
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# Flags passed to the C++ compiler.
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CXXFLAGS += -g -Wall -Wextra -pthread
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# All tests produced by this Makefile. Remember to add new tests you
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# created to the list.
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TESTS = sample1_unittest
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# All Google Test headers. Usually you shouldn't change this
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# definition.
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GTEST_HEADERS = $(GTEST_DIR)/include/gtest/*.h <br/>
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$(GTEST_DIR)/include/gtest/internal/*.h
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# House-keeping build targets.
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all : $(TESTS)
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clean :
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rm -f $(TESTS) gtest.a gtest_main.a *.o
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# Builds gtest.a and gtest_main.a.
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# Usually you shouldn't tweak such internal variables, indicated by a
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# trailing _.
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GTEST_SRCS_ = $(GTEST_DIR)/src/*.cc $(GTEST_DIR)/src/*.h $(GTEST_HEADERS)
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# For simplicity and to avoid depending on Google Test's
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# implementation details, the dependencies specified below are
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# conservative and not optimized. This is fine as Google Test
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# compiles fast and for ordinary users its source rarely changes.
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gtest-all.o : $(GTEST_SRCS_)
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$(CXX) $(CPPFLAGS) -I$(GTEST_DIR) $(CXXFLAGS) -c <br/>
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$(GTEST_DIR)/src/gtest-all.cc
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gtest_main.o : $(GTEST_SRCS_)
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$(CXX) $(CPPFLAGS) -I$(GTEST_DIR) $(CXXFLAGS) -c <br/>
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$(GTEST_DIR)/src/gtest_main.cc
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gtest.a : gtest-all.o
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$(AR) $(ARFLAGS) $@ $^
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gtest_main.a : gtest-all.o gtest_main.o
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$(AR) $(ARFLAGS) $@ $^
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# Builds a sample test. A test should link with either gtest.a or
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# gtest_main.a, depending on whether it defines its own main()
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# function.
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sample1.o : $(USER_DIR)/sample1.cc $(USER_DIR)/sample1.h $(GTEST_HEADERS)
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$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c $(USER_DIR)/sample1.cc
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sample1_unittest.o : $(USER_DIR)/sample1_unittest.cc <br/>
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$(USER_DIR)/sample1.h $(GTEST_HEADERS)
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$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c $(USER_DIR)/sample1_unittest.cc
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sample1_unittest : sample1.o sample1_unittest.o gtest_main.a
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$(CXX) $(CPPFLAGS) $(CXXFLAGS) -lpthread $^ -o $@
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``` |