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Error out if bison is not found on non-Windows operating systems.

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We cannot just default to use tools/bison.exe when it is not on
Windows.
This commit is contained in:
Lei Zhang 2016-02-18 06:16:11 -05:00 committed by Lei Zhang
parent 6c292d3ba7
commit 4fe1efa1a9
1 changed files with 6 additions and 2 deletions
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8
glslang/CMakeLists.txt
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@ -66,8 +66,12 @@ set(HEADERS
find_package(BISON)
if(NOT BISON_FOUND)
set(BISON_EXECUTABLE ../tools/bison.exe)
message("bison not found. Assuming it is at ${BISON_EXECUTABLE}")
if (WIN32)
set(BISON_EXECUTABLE ../tools/bison.exe)
message("bison not found. Assuming it is at ${BISON_EXECUTABLE}")
else()
message(FATAL_ERROR "bison required but not found. Please install via your package management tool.")
endif()
endif()
# Always use a custom command since our use of --defines isn't assumed by CMake's BISON_TARGET,