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Tutorial: Update Step 5 to work on Windows

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`log` and `exp` should be found on Windows systems now, as expected.

Update tests to be more specific in looking for the expected outcome of
the tutorial.
This commit is contained in:
Betsy McPhail
2020-02-18 16:32:50 -05:00
committed by Brad King
parent 21d72777fb
commit 07223c5c27
3 changed files with 27 additions and 8 deletions
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12
Help/guide/tutorial/Step6/MathFunctions/CMakeLists.txt
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@@ -8,10 +8,20 @@ target_include_directories(MathFunctions
# does this system provide the log and exp functions?
include(CheckSymbolExists)
set(CMAKE_REQUIRED_LIBRARIES "m")
check_symbol_exists(log "math.h" HAVE_LOG)
check_symbol_exists(exp "math.h" HAVE_EXP)
if(NOT (HAVE_LOG AND HAVE_EXP))
unset(HAVE_LOG CACHE)
unset(HAVE_EXP CACHE)
set(CMAKE_REQUIRED_LIBRARIES "m")
check_symbol_exists(log "math.h" HAVE_LOG)
check_symbol_exists(exp "math.h" HAVE_EXP)
if(HAVE_LOG AND HAVE_EXP)
target_link_libraries(MathFunctions PRIVATE m)
endif()
endif()
# add compile definitions
if(HAVE_LOG AND HAVE_EXP)
target_compile_definitions(MathFunctions
PRIVATE "HAVE_LOG" "HAVE_EXP")