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Simplified Windows build fix + some modernization of CMakeBuild files #16

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@pxntus pxntus commented Jun 26, 2019

Windows build fixes:

  • GCC compile flags only for Linux/GCC
  • Windows related install fix
  • No linking against librt since not needed (and unavailable for Windows)
  • Including algorithm header to get min (for integers)

CMake modernization:

  • Enabling C++11 according to best practices
  • Target based approach for include directories of library

pxntus added 3 commits June 26, 2019 10:15
- Setting C++11 and other compiler options without directly using compiler flags.
- Using a target based approach (instead of directory based) for setting include directories.
CMakeLists.txt Outdated
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-long-long")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wcast-align")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wsign-conversion")
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
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What about CLANG?

install( TARGETS sgp4s LIBRARY DESTINATION lib )
if(WIN32)
install(TARGETS sgp4s
RUNTIME DESTINATION lib)
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Can you explain why the library requires the runtime location specified?

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-long-long")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wcast-align")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wsign-conversion")
if(CMAKE_COMPILER_IS_GNUCC)
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Again is this compatible with clang?

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Sorry, I forgot about this. I will try to motivate the change request in the following days. (Just to mention: I actually use my branch of your code in a ground segment tool for satellites that will launch during 2020.)

@SpaceIm
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SpaceIm commented Feb 24, 2020

@pxntus @dnwrnr You could also use CMake feature WINDOWS_EXPORT_ALL_SYMBOLS. Indeed currently a shared libsgp4 fails to link into an executable or shared lib because symbols are not exported on windows.

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3 participants