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Turn modified fdlibm into Jerry's own libm

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* Rename modified fdlibm to jerry-libm
  * Move third-party/fdlibm to jerry-libm
  * Rename original fdlibm.h to jerry-libm-internal.h
    * And remove it from the public headers.
  * Rename jerry-libm's public header to math.h
    * This also makes jerry-core sources include `<math.h>`. Therefore,
      should anyone want to use a different libm implementation with
      jerry, it becomes possible. (The same way as we provide a minimal
      libc with standard headers, but should it be insufficient or
      conflicting for someone, it can be replaced.)
  * Drop `s_` prefix from jerry-libm sources
    * The original fdlibm implementation had various prefixes (e.g., `k_`
      for sources of kernel routines, and `w_` for wrapper routines), but
      after the specialization of fdlibm to jerry, only `s_` remained.
      Since it does not encode anything anymore, it can be dropped.
  * Stylistic edits to jerry-libm's CMakeLists
    * Align project name with other CMakeLists in the code base
  * Move Jerry-LibM under Apache License
    * Using the same approach as was used by linux-wireless when ath5k
      driver license needed clarification. Solution was proposed by SFLC.
      External mail for future reference: http://lwn.net/Articles/247806/

* Tests & checks
  * Remove FD from the name of libm unit test-related files
  * Make vera++ and cppcheck check jerry-libm

* Targets
  * Speculative update of targets to use jerry-libm

JerryScript-DCO-1.0-Signed-off-by: Akos Kiss akiss@inf.u-szeged.hu
This commit is contained in:
Akos Kiss
2016-04-06 18:02:44 +02:00
parent 45c89fef28
commit 3ba286f3e1
48 changed files with 686 additions and 426 deletions
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jerry-core/CMakeLists.txt
+1 -1
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@@ -225,7 +225,7 @@ project (JerryCore C ASM)
PROPERTY COMPILE_FLAGS "${COMPILE_FLAGS_JERRY} ${C_FLAGS_JERRY} ${FLAGS_COMMON_${BUILD_MODE}}")
target_compile_definitions(${TARGET_NAME}.jerry-core PRIVATE ${DEFINES_JERRY})
target_include_directories(${TARGET_NAME}.jerry-core PRIVATE ${INCLUDE_CORE})
target_include_directories(${TARGET_NAME}.jerry-core PRIVATE ${INCLUDE_FDLIBM})
target_include_directories(${TARGET_NAME}.jerry-core PRIVATE ${INCLUDE_LIBM})
target_include_directories(${TARGET_NAME}.jerry-core SYSTEM PRIVATE ${INCLUDE_LIBC_INTERFACE})
target_include_directories(${TARGET_NAME}.jerry-core SYSTEM PRIVATE ${INCLUDE_EXTERNAL_LIBS_INTERFACE})