diff options
Diffstat (limited to 'Modules/FindBISON.cmake')
| -rw-r--r-- | Modules/FindBISON.cmake | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/Modules/FindBISON.cmake b/Modules/FindBISON.cmake index 9ca428e98e..ec3ee78e85 100644 --- a/Modules/FindBISON.cmake +++ b/Modules/FindBISON.cmake @@ -92,16 +92,13 @@ if(BISON_EXECUTABLE) message(SEND_ERROR "Command \"${BISON_EXECUTABLE} --version\" failed with output:\n${BISON_version_error}") else() # Bison++ - if("${BISON_version_output}" MATCHES "^bison\\+\\+") - string(REGEX REPLACE "^bison\\+\\+ Version ([^,]+).*" "\\1" - BISON_VERSION "${BISON_version_output}") + if("${BISON_version_output}" MATCHES "^bison\\+\\+ Version ([^,]+)") + set(BISON_VERSION "${CMAKE_MATCH_1}") # GNU Bison - elseif("${BISON_version_output}" MATCHES "^bison[^+]") - string(REGEX REPLACE "^bison \\(GNU Bison\\) ([^\n]+)\n.*" "\\1" - BISON_VERSION "${BISON_version_output}") - elseif("${BISON_version_output}" MATCHES "^GNU Bison ") - string(REGEX REPLACE "^GNU Bison (version )?([^\n]+).*" "\\2" - BISON_VERSION "${BISON_version_output}") + elseif("${BISON_version_output}" MATCHES "^bison \\(GNU Bison\\) ([^\n]+)\n") + set(BISON_VERSION "${CMAKE_MATCH_1}") + elseif("${BISON_version_output}" MATCHES "^GNU Bison (version )?([^\n]+)") + set(BISON_VERSION "${CMAKE_MATCH_2}") endif() endif() |