Add pre-commit hook for trailing-whitespace

.pre-commit-config.yaml

@@ -2,6 +2,12 @@
 # See https://pre-commit.com/hooks.html for more hooks
 #
 repos:
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v4.4.0
+  hooks:
+  - id: trailing-whitespace
+    exclude: '^(FindOpenSSL|conan).cmake$'
+
 - repo: https://github.com/maxwinterstein/shfmt-py
   rev: 3.3.1.8
   hooks:

ConfigurePackaging.cmake

@@ -58,7 +58,7 @@ macro(SetPackageVersion _version)
 endmacro(SetPackageVersion)
 
 # Sets the list of desired package types to be created by the make
-# package target.  A .tar.gz is only made for source packages, and 
+# package target.  A .tar.gz is only made for source packages, and
 # binary pacakage format depends on the operating system:
 #
 # Darwin - PackageMaker

FindBIND.cmake

@@ -14,7 +14,7 @@
 # Variables defined by this module:
 #
 #  BIND_FOUND                System has BIND, include and library dirs found
-#  BIND_INCLUDE_DIR          The BIND include directories. 
+#  BIND_INCLUDE_DIR          The BIND include directories.
 #  BIND_LIBRARY              The BIND library (if any) required for
 #                            ns_inittab and res_mkquery symbols
 

FindBISON.cmake

@@ -150,7 +150,7 @@ IF(BISON_EXECUTABLE)
         IF("${ARGV5}" STREQUAL "VERBOSE")
           BISON_TARGET_option_verbose(${Name} ${BisonOutput} "${ARGV6}")
         ENDIF()
-      
+
         IF("${ARGV5}" STREQUAL "COMPILE_FLAGS")
           BISON_TARGET_option_extraopts("${ARGV6}")
         ENDIF()
@@ -164,7 +164,7 @@ IF(BISON_EXECUTABLE)
         IF("${ARGV7}" STREQUAL "VERBOSE")
           BISON_TARGET_option_verbose(${Name} ${BisonOutput} "${ARGV8}")
         ENDIF()
-      
+
         IF("${ARGV7}" STREQUAL "COMPILE_FLAGS")
           BISON_TARGET_option_extraopts("${ARGV8}")
         ENDIF()
@@ -184,20 +184,20 @@ IF(BISON_EXECUTABLE)
           LIST(APPEND BISON_TARGET_cmdopt "-d")
           STRING(REGEX REPLACE "^(.*)(\\.[^.]*)$" "\\2" _fileext "${ARGV2}")
           STRING(REPLACE "c" "h" _fileext ${_fileext})
-          STRING(REGEX REPLACE "^(.*)(\\.[^.]*)$" "\\1${_fileext}" 
+          STRING(REGEX REPLACE "^(.*)(\\.[^.]*)$" "\\1${_fileext}"
               BISON_${Name}_OUTPUT_HEADER "${ARGV2}")
       ENDIF()
 
       LIST(APPEND BISON_TARGET_outputs "${BISON_${Name}_OUTPUT_HEADER}")
-        
+
       ADD_CUSTOM_COMMAND(OUTPUT ${BISON_TARGET_outputs}
         ${BISON_TARGET_extraoutputs}
         COMMAND ${BISON_EXECUTABLE}
         ARGS ${BISON_TARGET_cmdopt} -o ${ARGV2} ${ARGV1}
         DEPENDS ${ARGV1}
         COMMENT "[BISON][${Name}] Building parser with bison ${BISON_VERSION}"
         WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
-    
+
       # define target variables
       SET(BISON_${Name}_DEFINED TRUE)
       SET(BISON_${Name}_INPUT ${ARGV1})

FindGooglePerftools.cmake

@@ -8,7 +8,7 @@
 # to be set before calling find_package:
 #
 #  GooglePerftools_ROOT_DIR  Set this variable to the root installation of
-#                            GooglePerftools if the module has problems finding 
+#                            GooglePerftools if the module has problems finding
 #                            the proper installation path.
 #
 # Variables defined by this module:

FindRequiredPackage.cmake

@@ -8,7 +8,7 @@
 #
 # The caller can use these variables to display a list of any missing
 # packages and abort the build/configuration if there were any.
-# 
+#
 # Use as follows:
 #
 # include(FindRequiredPackage)

MAC_PACKAGE_INTRO

@@ -9,7 +9,7 @@ You may choose to update your PATH environment variable:
 
     # For CSH
     setenv PATH @CMAKE_INSTALL_PREFIX@/bin:$PATH
- 
+
 If you have more than one volume, please choose the install
 destination as the one that contains the root filesystem.