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Tests: With lfortran < 1.24 skip cases broken by incorrect filename handling

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`lfortran` < 1.24 uses `fccn`, a Fortran-to-C converter that
incorrectly handles long filenames that are more than 128 characters
long; so to check if Fortran can compile something, CMake must be
run in binary directory that has a name of less that 35 characters long.
It is ok for typical runs line `cmake -S . -B build` or `cmake ..`,
but does not work with usual CDash dashboard testing paths.

All this is not a problem for modern LCC >= 1.24.
This commit is contained in:
makise-homura
2023-12-21 22:58:09 +03:00
committed by Brad King
parent 020e80d825
commit 3377141c8f
3 changed files with 27 additions and 1 deletions
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12
Tests/RunCMake/CMakeLists.txt
View File

@@ -345,7 +345,17 @@ if(DEFINED CMake_TEST_OBJC)
list(APPEND CompilerTest_ARGS -DCMake_TEST_OBJC=${CMake_TEST_OBJC})
endif()
if(CMAKE_Fortran_COMPILER)
list(APPEND CompilerTest_ARGS -DCMake_TEST_Fortran=1)
# lfortran < 1.24 cannot handle long file names. Fortran is not
# enabled here, so check the C compiler version instead.
if(CMAKE_C_COMPILER_ID STREQUAL "LCC" AND CMAKE_C_COMPILER_VERSION VERSION_LESS "1.24")
string(LENGTH "${CMAKE_CURRENT_BINARY_DIR}" _CCBD_LEN)
if(_CCBD_LEN LESS 35)
list(APPEND CompilerTest_ARGS -DCMake_TEST_Fortran=1)
endif()
unset(_CCBD_LEN)
else()
list(APPEND CompilerTest_ARGS -DCMake_TEST_Fortran=1)
endif()
endif()
foreach(lang IN ITEMS CUDA HIP ISPC)
if(CMake_TEST_${lang})

8
Tests/RunCMake/CheckSourceCompiles/CheckSourceCompilesFortran.cmake
View File

@@ -5,6 +5,14 @@ include(CheckSourceCompiles)
set(Fortran 1) # test that this is tolerated
# lfortran < 1.24 cannot handle long file names.
if(CMAKE_Fortran_COMPILER_ID STREQUAL "LCC" AND CMAKE_Fortran_COMPILER_VERSION VERSION_LESS "1.24")
string(LENGTH "${CMAKE_CURRENT_BINARY_DIR}" _CCBD_LEN)
if(_CCBD_LEN GREATER_EQUAL 35)
return()
endif()
endif()
check_source_compiles(Fortran [=[
PROGRAM TEST_HAVE_PRINT
PRINT *, 'Hello'

8
Tests/RunCMake/CheckSourceRuns/CheckSourceRunsFortran.cmake
View File

@@ -5,6 +5,14 @@ include(CheckSourceRuns)
set(Fortran 1) # test that this is tolerated
# lfortran < 1.24 cannot handle long file names.
if(CMAKE_Fortran_COMPILER_ID STREQUAL "LCC" AND CMAKE_Fortran_COMPILER_VERSION VERSION_LESS "1.24")
string(LENGTH "${CMAKE_CURRENT_BINARY_DIR}" _CCBD_LEN)
if(_CCBD_LEN GREATER_EQUAL 35)
return()
endif()
endif()
check_source_runs(Fortran [=[
PROGRAM TEST_HAVE_PRINT
PRINT *, 'Hello'