| 1 | |
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| 2 | Variable exports are performed over multiple directory levels from parent- to |
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| 3 | subdirectory-makefiles. |
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| 4 | |
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| 5 | To avoid specifying them at many locations, these exports are defined in files named |
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| 6 | export2sub. Currently these export2sub exist: |
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| 7 | |
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| 8 | ../SOURCE_TOOLS/export2sub |
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| 9 | ../UNIT_TESTER/export2sub |
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| 10 | ../AISC_COM/AISC/export2sub |
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| 11 | |
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| 12 | |
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| 13 | Short description of most important variables passed from parent makefiles: |
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| 14 | |
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| 15 | A_CC C-compiler |
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| 16 | A_CXX C++-compiler |
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| 17 | |
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| 18 | cflags C-compiler flags |
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| 19 | cxxflags additional C++-compiler flags |
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| 20 | (should be used as '$(cflags) $(cxxflags)'!) |
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| 21 | shared_cflags additional compiler flags used when compiling objects for a shared library |
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| 22 | |
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| 23 | CC_INCLUDES include directories for C-compiler |
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| 24 | CXX_INCLUDES include directories for C++-compiler |
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| 25 | |
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| 26 | POST_COMPILE global filter applied to compiler output (i.e. to errors and warnings) |
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| 27 | |
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| 28 | LINK_EXECUTABLE linker command for executables |
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| 29 | LINK_STATIC_LIB linker command for static libs |
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| 30 | LINK_SHARED_LIB linker command for shared libs (depends on LINK_STATIC) |
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| 31 | |
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| 32 | LINK_STATIC =0 -> use dynamic libs, =1 -> use only static libs |
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| 33 | SHARED_LIB_SUFFIX suffix for shared libs (contains .a if LINK_STATIC=1) |
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| 34 | |
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| 35 | Several dynamic library definitions are documented in ../Makefile@DYNLIBDEFS |
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| 36 | |
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| 37 | Note: |
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| 38 | Several variables are still passed directly via the call of the submakefile, e.g. |
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| 39 | make -C subdir "VAR=content" target |
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| 40 | If passing them is common at many places, they should better be passed via export2sub |
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| 41 | |
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