phantom/bitcoin
1
0
Fork 0
mirror of https://github.com/bitcoin/bitcoin.git synced 2025-04-29 06:49:38 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

cmake: Check user-defined APPEND_* variables early

Browse source 
This change improves usability in cases where the user provides
`APPEND_*` variables that are incompatible with the compiler for some
reason.
This commit is contained in:
Hennadii Stepanov 2025-04-28 17:06:00 +01:00
parent 8287a7670b
commit eb2a943504
No known key found for this signature in database
GPG key ID: 410108112E7EA81F
1 changed files with 16 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
cmake/module/EnableLanguage.cmake
View file

@ -27,6 +27,22 @@ macro(bitcoincore_enable_language language)
string(APPEND CMAKE_${language}_COMPILE_OBJECT " ${APPEND_CPPFLAGS} ${APPEND_CXXFLAGS}")
string(APPEND CMAKE_${language}_CREATE_SHARED_LIBRARY " ${APPEND_LDFLAGS}")
string(APPEND CMAKE_${language}_LINK_EXECUTABLE " ${APPEND_LDFLAGS}")
# CMake's `enable_language()` command internally checks
# whether the compiler is able to compile a simple test program.
# However, it does not take into consideration the contents
# of the user-defined `APPEND_*FLAGS` variables, because they
# modify CMake's compiler configuration variables, which in turn
# become available only after `enable_language()` is invoked.
# Therefore, we test the compiler again at this point.
include(CheckSourceCompiles)
check_source_compiles("${language}" "int main() { return 0; }" ${language}_COMPILER_WORKS)
if(NOT ${language}_COMPILER_WORKS)
unset(${language}_COMPILER_WORKS CACHE)
message(FATAL_ERROR "The ${language} compiler is not able to compile a simple test program.\n"
"Check that the \"APPEND_*FLAGS\" variables are set correctly.\n\n"
)
endif()
endif()
unset(_description)
endif()