Hi,
when using CLang, GDAL forces the use of libstdc++ for linking, so
seeing "cannot find -lstdc++", I suspect you might lack the installation
of libstdc++-11-dev package
Even
Le 04/07/2024 à 08:01, Eric Knudstrup via gdal-dev a écrit :
I'm using WEBP, so the 3.4.1 release of GDAL that Ubuntu has won't
work for me.
Is there a workaround for this?
cmake ..
-- The CXX compiler identification is Clang 13.0.0
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - failed
-- Check for working CXX compiler: /usr/bin/clang++
-- Check for working CXX compiler: /usr/bin/clang++ - broken
CMake Error at
/snap/cmake/1403/share/cmake-3.30/Modules/CMakeTestCXXCompiler.cmake:73
(message):
The C++ compiler
"/usr/bin/clang++"
is not able to compile a simple test program.
It fails with the following output:
Change Dir:
'/home/me/gdal-3.9.1/build/CMakeFiles/CMakeScratch/TryCompile-hpEoYa'
Run Build Command(s): /snap/cmake/1403/bin/cmake -E env VERBOSE=1
/usr/bin/gmake -f Makefile cmTC_8efcd/fast
/usr/bin/gmake -f CMakeFiles/cmTC_8efcd.dir/build.make
CMakeFiles/cmTC_8efcd.dir/build
gmake[1]: Entering directory
'/home/me/gdal-3.9.1/build/CMakeFiles/CMakeScratch/TryCompile-hpEoYa'
Building CXX object CMakeFiles/cmTC_8efcd.dir/testCXXCompiler.cxx.o
/usr/bin/clang++ -MD -MT
CMakeFiles/cmTC_8efcd.dir/testCXXCompiler.cxx.o -MF
CMakeFiles/cmTC_8efcd.dir/testCXXCompiler.cxx.o.d -o
CMakeFiles/cmTC_8efcd.dir/testCXXCompiler.cxx.o -c
/home/me/gdal-3.9.1/build/CMakeFiles/CMakeScratch/TryCompile-hpEoYa/testCXXCompiler.cxx
Linking CXX executable cmTC_8efcd
/snap/cmake/1403/bin/cmake -E cmake_link_script
CMakeFiles/cmTC_8efcd.dir/link.txt --verbose=1
/usr/bin/clang++ CMakeFiles/cmTC_8efcd.dir/testCXXCompiler.cxx.o
-o cmTC_8efcd
/usr/bin/ld: cannot find -lstdc++: No such file or directory
clang-13: error: linker command failed with exit code 1 (use -v to
see invocation)
gmake[1]: *** [CMakeFiles/cmTC_8efcd.dir/build.make:100:
cmTC_8efcd] Error 1
gmake[1]: Leaving directory
'/home/me/gdal-3.9.1/build/CMakeFiles/CMakeScratch/TryCompile-hpEoYa'
gmake: *** [Makefile:127: cmTC_8efcd/fast] Error 2
CMake will not be able to correctly generate this project.
Call Stack (most recent call first):
CMakeLists.txt:4 (project)
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