BUILD: Remove need for OpenMP

CMakeLists.txt

@@ -13,7 +13,6 @@ set(THREADS_PREFER_PTHREAD_FLAG     ON)
 set(CMAKE_COLOR_MAKEFILE            ON)
 
 include(TestBigEndian)   # Needed for endianness tests
-include(FindOpenMP)      # Test OpenMP support
 include(GNUInstallDirs)  # Needed for installation things
 include(ExternalProject) # Enable ExternalProject CMake module
 
@@ -41,16 +40,6 @@ else()
     set(RUST_BUILD_CMD   "${CARGO}" build)
 endif()
 
-###         ###
-# TEST OPENMP #
-###         ###
-
-if(OpenMP_FOUND)
-    message(STATUS "OpenMP found by CMake for C (version ${OpenMP_C_VERSION}) and C++ (version ${OpenMP_CXX_VERSION})")
-else()
-    message(FATAL_ERROR "OpenMP not found by CMake for C and C++")
-endif()
-
 ###                  ###
 # SET COMMON VARIABLES #
 ###                  ###
@@ -77,7 +66,6 @@ set(COMMON_C_FLAGS
     -Wdouble-promotion
     -Wformat=2
     -Wignored-qualifiers
-    ${OpenMP_C_FLAGS}
 )
 set(Clang_C_FLAGS
     -Weverything
@@ -117,11 +105,11 @@ set(GNU_C_FLAGS
 # FIND DEPENDENCIES #
 ###               ###
 
-find_library(MPV_LIBRARY        mpv                   REQUIRED)                   # tested with 0.32.0
-find_library(SQLITE3_LIBRARY    sqlite3               REQUIRED version>=3.31.0)   # tested with 3.34.1
+find_library(MPV_LIBRARY     mpv     REQUIRED)                 # tested with 0.32.0
+find_library(SQLITE3_LIBRARY sqlite3 REQUIRED version>=3.31.0) # tested with 3.34.1
 
-find_package(CURL                                     REQUIRED HTTP HTTPS)        # tested with 7.74.0
-find_package(Qt6      COMPONENTS REQUIRED Widgets OpenGL)
+find_package(CURL COMPONENTS HTTP HTTPS     REQUIRED) # tested with 7.74.0
+find_package(Qt6  COMPONENTS Widgets OpenGL REQUIRED)
 
 set(CMAKE_AUTOUIC ON)
 set(CMAKE_AUTOMOC ON)
@@ -308,7 +296,6 @@ if(GENERATE_MANPAGES)
 endif()
 
 target_link_libraries(lektord PRIVATE
-    ${OpenMP_C_LIBRARIES}
     ${MPV_LIBRARY}
     ${CMAKE_DL_LIBS}
     ${SQLITE3_LIBRARY}
@@ -316,11 +303,8 @@ target_link_libraries(lektord PRIVATE
     Qt::Widgets
     Qt::OpenGL
 )
-target_link_libraries(lkt PRIVATE
-    ${OpenMP_C_LIBRARIES}
-)
 
-target_include_directories(lkt  PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/inc)
+target_include_directories(lkt     PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/inc)
 target_include_directories(lektord PRIVATE
     ${CMAKE_CURRENT_SOURCE_DIR}/inc
     ${CURL_INCLUDE_DIRS}

README.md

@@ -30,8 +30,6 @@ A Karaoke player made to replace the old bash scripts on Sakura.
 - [cmake](https://cmake.org/) with at least the version 3.17
 - a C compiler with C11 support
 - a C++ compiler with C++20 support (for the Qt5 module)
-- The C and C++ compilers must have OpenMP support (see the
-  [OpenMP C test program](utils/cmake/TestOpenMp.c))
 - the [sqlite3](https://www.sqlite.org/) development library, version
   3.31.0 or newer for [generated columns](https://www.sqlite.org/gencol.html) support
 - a POSIX.1-2008 compatible system (for MS Windows, use something like WSL2)