25 lines
1.1 KiB
Diff
25 lines
1.1 KiB
Diff
diff --git a/CMakeLists.txt b/CMakeLists.txt
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--- a/CMakeLists.txt
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+++ b/CMakeLists.txt
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@@ -37,21 +37,6 @@ message(STATUS "default momentum and length are ${HEPMC_DEFAULT_MOM_UNIT} ${HEPM
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# find the HepMC cmake modules
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set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules ${CMAKE_MODULE_PATH})
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-# make sure we are not building from within the source code directory
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-string(COMPARE EQUAL "${CMAKE_SOURCE_DIR}" "${CMAKE_BINARY_DIR}" in_source)
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-string( REGEX MATCH "${CMAKE_SOURCE_DIR}/" in_source_subdir
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-"${CMAKE_BINARY_DIR}")
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-if (in_source OR in_source_subdir)
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- message(FATAL_ERROR "
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-ERROR: In source builds of this project are not allowed.
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-A separate build directory is required.
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-Please create one and run cmake from the build directory.
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-Also note that cmake has just added files to your source code directory.
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-We suggest getting a new copy of the source code.
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-Otherwise, delete `CMakeCache.txt' and the directory `CMakeFiles'.
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- ")
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-endif ()
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-
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# build_docs is OFF (false) by default
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if ( build_docs )
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message(STATUS "documents WILL be built and installed" )
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