diff options
| -rw-r--r-- | cmake/configure.cmake | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/cmake/configure.cmake b/cmake/configure.cmake index d7e44cf7..ddb54b99 100644 --- a/cmake/configure.cmake +++ b/cmake/configure.cmake @@ -248,12 +248,17 @@ DefineFunctionIfAvailable(mbrtowc HAVE_MBRTOWC) add_definitions(-D HAVE_STRINGIZE) add_definitions(-D _Noreturn=) -if (CMAKE_HOST_UNIX) - find_package(BISON REQUIRED) - if (${BISON_FOUND} STREQUAL "TRUE") - BISON_TARGET(awkgram awkgram.y ${CMAKE_SOURCE_DIR}/awkgram.c) - endif() +find_package(BISON QUIET) +# If there is a bison installed on this platform, +if (${BISON_FOUND} STREQUAL "TRUE") + # then let bison generate awkgram.c. + BISON_TARGET(awkgram awkgram.y ${CMAKE_SOURCE_DIR}/awkgram.c) +else() + # otherwise use the existing awkgram.c. + set(BISON_awkgram_OUTPUTS ${CMAKE_SOURCE_DIR}/awkgram.c) +endif() +if (CMAKE_HOST_UNIX) #http://www.cmake.org/cmake/help/v2.8.10/cmake.html#module:FindGettext find_package(Gettext REQUIRED) if (GETTEXT_FOUND STREQUAL "TRUE") |