luke
/
nextpnr
mirror of https://github.com/YosysHQ/nextpnr.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Change Hash Embed check to check for erroneous signed #embed

This commit is contained in:
Will MacCormack 2025-08-09 12:06:17 -05:00 committed by Catherine
parent 5355222e09
commit b0626280e9
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
cmake/CheckCXXCompilerHashEmbed.cmake
View File

@ -9,11 +9,15 @@
# set(CMAKE_CXX_FLAGS ${CXX_FLAGS_HASH_EMBED} ${CMAKE_CXX_FLAGS})
#
function(check_cxx_compiler_hash_embed VAR FLAGS_VAR)
# Create a binary file with at least one byte that will check for #embed treating things as signed chars
execute_process(
COMMAND python3 -c "with open('${CMAKE_CURRENT_BINARY_DIR}/unsigned_bin', 'wb') as f: f.write(b'\\xA5\\x27\\x00')")
try_compile(
${VAR}
SOURCE_FROM_CONTENT
compiletest.cc
"const char s[] = {\n#embed \"${CMAKE_CURRENT_FUNCTION_LIST_FILE}\"\n};\nint main() {}"
"const unsigned char s[] = {\n#embed \"${CMAKE_CURRENT_BINARY_DIR}/unsigned_bin\"\n};\nint main() {}"
)
if (${VAR})
if (FLAGS_VAR)