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Make -platform linux-clang-libc++ work with icecc

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It usage of libc++ was never detected if the compiler was explicitly set
to a specific clang binary and clang wrapper.

Change-Id: I5fd3c84223cafedf06b34afe91d975e71c199e24
Pick-to: 6.9
Reviewed-by: Alexey Edelev <alexey.edelev@qt.io>
This commit is contained in:
Allan Sandfeld Jensen 2025-02-04 13:30:36 +01:00
parent 82a5e8bdb7
commit 982fe396e5
1 changed files with 19 additions and 21 deletions
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40
cmake/QtProcessConfigureArgs.cmake
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@ -871,29 +871,27 @@ function(guess_compiler_from_mkspec)
check_whether_to_guess_compiler(guess_c_compiler CC CMAKE_C_COMPILER)
check_whether_to_guess_compiler(guess_cxx_compiler CXX CMAKE_CXX_COMPILER)
if(NOT guess_c_compiler AND NOT guess_cxx_compiler)
return()
endif()
string(REGEX MATCH "(^|;)-DQT_QMAKE_TARGET_MKSPEC=\([^;]+\)" m "${cmake_args}")
set(mkspec ${CMAKE_MATCH_2})
set(c_compiler "")
set(cxx_compiler "")
if(mkspec MATCHES "-clang-msvc$")
set(c_compiler "clang-cl")
set(cxx_compiler "clang-cl")
elseif(mkspec MATCHES "-clang(-|$)" AND NOT mkspec MATCHES "android")
set(c_compiler "clang")
set(cxx_compiler "clang++")
elseif(mkspec MATCHES "-msvc(-|$)")
set(c_compiler "cl")
set(cxx_compiler "cl")
endif()
if(guess_c_compiler AND NOT c_compiler STREQUAL "")
push("-DCMAKE_C_COMPILER=${c_compiler}")
endif()
if(guess_cxx_compiler AND NOT cxx_compiler STREQUAL "")
push("-DCMAKE_CXX_COMPILER=${cxx_compiler}")
if(guess_c_compiler OR guess_cxx_compiler)
set(c_compiler "")
set(cxx_compiler "")
if(mkspec MATCHES "-clang-msvc$")
set(c_compiler "clang-cl")
set(cxx_compiler "clang-cl")
elseif(mkspec MATCHES "-clang(-|$)" AND NOT mkspec MATCHES "android")
set(c_compiler "clang")
set(cxx_compiler "clang++")
elseif(mkspec MATCHES "-msvc(-|$)")
set(c_compiler "cl")
set(cxx_compiler "cl")
endif()
if(guess_c_compiler AND NOT c_compiler STREQUAL "")
push("-DCMAKE_C_COMPILER=${c_compiler}")
endif()
if(guess_cxx_compiler AND NOT cxx_compiler STREQUAL "")
push("-DCMAKE_CXX_COMPILER=${cxx_compiler}")
endif()
endif()
if(mkspec MATCHES "-libc\\+\\+$")
push("-DFEATURE_stdlib_libcpp=ON")