Description
Describe the bug
When trying to find a dependency using CMake and it raised error despite being found, meson should give more detailed error message instead of just saying the dependency not found.
To Reproduce
I think this can be reproduced with any other projects and platforms, but I first encountered this with the following situation:
On MacOS, install zstd and jeremy-rifkin/cpptrace with external zstd using CMake.
brew install zstd
git clone https://github.com/jeremy-rifkin/cpptrace
cd cpptrace
cmake -Bbuild -DCMAKE_INSTALL_PREFIX=/tmp/cpptrace -DCPPTRACE_USE_EXTERNAL_ZSTD=ON
cmake --build build -t installNow /tmp/cpptrace/lib/cmake/cpptrace/cpptrace-config.cmake is installed, and I try to use this from Meson using the following meson.build and setup with -Dcmake_prefix_path=/tmp/cpptrace.
project('test')
dependency('cpptrace', method: 'cmake')The Meson build system
Version: 1.6.1
Source dir: /private/tmp/cpptrace_test
Build dir: /private/tmp/cpptrace_test/build
Build type: native build
Project name: test
Project version: undefined
Host machine cpu family: aarch64
Host machine cpu: aarch64
Found CMake: /opt/homebrew/bin/cmake (3.31.3)
Run-time dependency cpptrace found: YES 0.7.4
Build targets in project: 0
But if I remove zstd (brew unlink zstd) this happens, despite cpptrace-config.cmake still exists and I'm sure passing correct cmake_prefix_path:
The Meson build system
Version: 1.6.1
Source dir: /private/tmp/cpptrace_test
Build dir: /private/tmp/cpptrace_test/build
Build type: native build
Project name: test
Project version: undefined
Host machine cpu family: aarch64
Host machine cpu: aarch64
Found CMake: /opt/homebrew/bin/cmake (3.31.3)
Run-time dependency cpptrace found: NO (tried cmake)
meson.build:2:0: ERROR: Dependency "cpptrace" not found, tried cmake
meson-log.txt does not provide any useful information either:
Determining dependency 'cpptrace' with CMake executable '/opt/homebrew/bin/cmake'
Try CMake generator: auto
Calling CMake (['/opt/homebrew/bin/cmake']) in /private/tmp/cpptrace_test/build/meson-private/cmake_cpptrace with:
- "-DNAME=cpptrace"
- "-DARCHS="
- "-DVERSION="
- "-DCOMPS="
- "-DSTATIC=OFF"
- "--trace-expand"
- "--trace-format=json-v1"
- "--no-warn-unused-cli"
- "--trace-redirect=cmake_trace.txt"
- "-DCMAKE_TOOLCHAIN_FILE=/private/tmp/cpptrace_test/build/meson-private/cmake_cpptrace/CMakeMesonToolchainFile.cmake"
- "."
- "-DCMAKE_PREFIX_PATH=/tmp/cpptrace"
Run-time dependency cpptrace found: NO (tried cmake)
meson.build:2:0: ERROR: Dependency "cpptrace" not found, tried cmake
Expected behavior
Meson should output more detailed message why the CMake call raised error to the console output or at least to the meson-log.txt.
In this case that's because zstd was not found, which is a dependency required by cpptrace.
If I try to use cpptrace from CMake like the following, CMake gives exact error message about this.
cmake_minimum_required(VERSION 3.10)
project(test)
find_package(cpptrace REQUIRED)-- The C compiler identification is Clang 17.0.6
-- The CXX compiler identification is Clang 17.0.6
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /opt/homebrew/opt/llvm@17/bin/clang - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /opt/homebrew/opt/llvm@17/bin/clang++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
CMake Error at /opt/homebrew/share/cmake/Modules/FindPackageHandleStandardArgs.cmake:233 (message):
Could NOT find zstd (missing: zstd_LIBRARY zstd_INCLUDE_DIR)
Call Stack (most recent call first):
/opt/homebrew/share/cmake/Modules/FindPackageHandleStandardArgs.cmake:603 (_FPHSA_FAILURE_MESSAGE)
/opt/homebrew/lib/cmake/cpptrace/Findzstd.cmake:20 (FIND_PACKAGE_HANDLE_STANDARD_ARGS)
/opt/homebrew/share/cmake/Modules/CMakeFindDependencyMacro.cmake:76 (find_package)
/opt/homebrew/lib/cmake/cpptrace/cpptrace-config.cmake:13 (find_dependency)
CMakeLists.txt:3 (find_package)
-- Configuring incomplete, errors occurred!
system parameters
- Is this a cross build or just a plain native build (for the same computer)?
- Native
- what operating system (e.g. MacOS Catalina, Windows 10, CentOS 8.0, Ubuntu 18.04, etc.)
- MacOS Sonoma
- what Python version are you using e.g. 3.8.0
- Python 3.13.1
- what
meson --version- 1.6.1
- what
ninja --versionif it's a Ninja build