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CMake: Do not enable the C language (unnecessary)

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The project() command in the top-level CMakeLists.txt was not specifying
languages which default to enabling C and CXX.
The googlemock and googletest project() commands were explicitly enabing
both the C and CXX languages in their respective subdirectories,
although all their source file are correctly identified as CXX and the C
language is effectively never used.

Enabling the C language forces CXX-only projects downstream that embed
this repo (via FetchContent or add subdirectory) to detect a C compiler
at configuration-time.

This PR proposes to properly only enable the CXX language.

Signed-off-by: Damien L-G <dalg24@gmail.com>
This commit is contained in:
Damien L-G 2025-10-24 07:54:17 -04:00
parent b2b9072ecb
commit 3d638c14a5
3 changed files with 3 additions and 3 deletions
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2
CMakeLists.txt
View File

@ -3,7 +3,7 @@
cmake_minimum_required(VERSION 3.16) cmake_minimum_required(VERSION 3.16)
project(googletest-distribution) project(googletest-distribution CXX)
set(GOOGLETEST_VERSION 1.16.0) set(GOOGLETEST_VERSION 1.16.0)
if(NOT CYGWIN AND NOT MSYS AND NOT ${CMAKE_SYSTEM_NAME} STREQUAL QNX) if(NOT CYGWIN AND NOT MSYS AND NOT ${CMAKE_SYSTEM_NAME} STREQUAL QNX)

2
googlemock/CMakeLists.txt
View File

@ -37,7 +37,7 @@ endif()
# ${gmock_BINARY_DIR}. # ${gmock_BINARY_DIR}.
# Language "C" is required for find_package(Threads). # Language "C" is required for find_package(Threads).
cmake_minimum_required(VERSION 3.13) cmake_minimum_required(VERSION 3.13)
project(gmock VERSION ${GOOGLETEST_VERSION} LANGUAGES CXX C) project(gmock VERSION ${GOOGLETEST_VERSION} LANGUAGES CXX)
if (COMMAND set_up_hermetic_build) if (COMMAND set_up_hermetic_build)
set_up_hermetic_build() set_up_hermetic_build()

2
googletest/CMakeLists.txt
View File

@ -47,7 +47,7 @@ endif()
# Project version. # Project version.
cmake_minimum_required(VERSION 3.13) cmake_minimum_required(VERSION 3.13)
project(gtest VERSION ${GOOGLETEST_VERSION} LANGUAGES CXX C) project(gtest VERSION ${GOOGLETEST_VERSION} LANGUAGES CXX)
if (COMMAND set_up_hermetic_build) if (COMMAND set_up_hermetic_build)
set_up_hermetic_build() set_up_hermetic_build()