This would disable bash scripts under FreeBSD. (#1118)

* This would disable bash scripts under FreeBSD.

* Let us also disable GIT.

* Let us try to just disable GIT

* Nope. We must have both bash and git disabled.

.cirrus.yml

@@ -14,8 +14,8 @@ task:
   build_script:
     - mkdir build
     - cd build
-    - cmake ..
+    - cmake -DSIMDJSON_BASH=OFF  -DSIMDJSON_GIT=OFF ..
     - make
   test_script:
     - cd build
-    - ctest --output-on-failure -E checkperf
+    - ctest --output-on-failure -E checkperf

benchmark/checkperf.cmake

@@ -7,7 +7,7 @@
 
 # Clone the repository if it's not there
 find_package(Git QUIET)
-if (SIMDJSON_IS_UNDER_GIT AND Git_FOUND AND (GIT_VERSION_STRING VERSION_GREATER  "2.1.4") AND (NOT CMAKE_GENERATOR MATCHES Ninja) ) # We use "-C" which requires a recent git
+if (SIMDJSON_IS_UNDER_GIT AND SIMDJSON_GIT AND Git_FOUND AND (GIT_VERSION_STRING VERSION_GREATER  "2.1.4") AND (NOT CMAKE_GENERATOR MATCHES Ninja) ) # We use "-C" which requires a recent git
   message(STATUS "Git is available and it is recent. We are enabling checkperf targets.")
   # sync_git_repository(myrepo ...) creates two targets:
   # myrepo - if the repo does not exist, creates and syncs it against the origin branch

cmake/simdjson-flags.cmake

@@ -112,6 +112,10 @@ if(NOT SIMDJSON_IMPLEMENTATION_FALLBACK)
   target_compile_definitions(simdjson-internal-flags INTERFACE SIMDJSON_IMPLEMENTATION_FALLBACK=0)
 endif()
 
+option(SIMDJSON_BASH "Allow usage of bash within CMake" ON)
+
+option(SIMDJSON_GIT "Allow usage of git within CMake" ON)
+
 option(SIMDJSON_EXCEPTIONS "Enable simdjson's exception-throwing interface" ON)
 if(NOT SIMDJSON_EXCEPTIONS)
   message(STATUS "simdjson exception interface turned off. Code that does not check error codes will not compile.")

dependencies/CMakeLists.txt

@@ -2,7 +2,7 @@
 
 
 find_package(Git QUIET) # We want the library to build even if git is missing
-if ((Git_FOUND) AND (SIMDJSON_IS_UNDER_GIT))
+if ((Git_FOUND) AND SIMDJSON_GIT AND (SIMDJSON_IS_UNDER_GIT))
   message(STATUS "Git is available.")
   # Does NOT attempt to update or otherwise modify git submodules that are already initialized.
   function(initialize_submodule DIRECTORY)

singleheader/CMakeLists.txt

@@ -23,7 +23,7 @@ find_program(BASH bash)
 # Under Windows, exectuting a bash script works, except that you cannot generally
 # do bash C:/path to my script. You need a  "mounted" path: /mnt/c/path
 
-if (BASH AND (NOT WIN32))
+if (BASH AND (NOT WIN32) AND SIMDJSON_BASH)
   add_custom_command(
     OUTPUT ${SINGLEHEADER_FILES}
     COMMAND ${CMAKE_COMMAND} -E env

tests/CMakeLists.txt

@@ -70,7 +70,7 @@ find_program(BASH bash)
 # required to make things work robustly. Simply put: bash is not quite portable.
 
 # Script tests
-if (BASH AND (NOT WIN32) AND (TARGET json2json)) # The scripts are not robust enough to run under Windows even if bash is available
+if (BASH AND (NOT WIN32) AND SIMDJSON_BASH AND (TARGET json2json)) # The scripts are not robust enough to run under Windows even if bash is available
   #
   # json2json test
   #