In my case this is because of issue #985, but there's also the use case of being able to test without OpenMP. For example, to disable it on my system in order to test if the crash had anything to do with OpenMP, I had to manually edit `CMakeLists.txt` each time I wanted to turn it off and on again.
* FluidSynthConfigVersion.cmake is created with ${VERSION} instead of
${LIB_VERSION_INFO}
* FluidSynthConfig.cmake.in simplified: it doesn't need to include the
version file.
* Simplified BUILD_INTERFACE generator expression as suggested
The build system creates two exported targets:
- The executable FluidSynth::fluidsynth
- The library FluidSynth::libfluidsynth
A downstream project using CMake can find and link the library target
directly with cmake (without needing pkg-config) this way:
~~~
project(sample LANGUAGES C)
find_package ( FluidSynth )
if (FluidSynth_FOUND)
add_executable( sample sample.c )
target_link_libraries ( sample PRIVATE FluidSynth::libfluidsynth )
endif ()
~~~
After installing fluidsynth in a prefix like "$HOME/Fluidsynth3":
cmake -DCNAKE_PREFIX_PATH="$HOME/Fluidsynth3/;..."
Instead installing, the build directory can be used directly, for
instance:
cmake -DFluidSynth_DIR="$HOME/fluidsynth-2.2.2/build/" ...
Previously, cmake only tested for a specific version of libsndfile and then assumed, it has OGG/Vorbis support. However, libsndfile may still be compiled without OGG/Vorbis support. If this is the case, fluidsynth should refuse to load SF3 files. Otherwise the attempt to load SF3 files would fail with a bunch of error messages.
The solution of this PR proposes to lookup the private libs listed in sndfile.pc and see whether it includes "vorbis".
This driver is currently tested and verified to work on:
- Windows Vista x64 VM
- Windows 7 x64 VM
- Windows 10 1909 x64 (VM and Laptop)
- Windows 10 21296 x64 on a ThinkPad X1 Yoga 1st Gen with 3 different sound cards (Conexant CX20753/4, Scarlett Solo Gen 2, Aureon 7.1 USB)
This driver is capable of reaching very low latency in exclusive mode (~6ms on Scarlett Solo with 48kHz).
While `fopen` (used through the macro `FLUID_FOPEN`) uses UTF-8 on *nix, it's restricted to ANSI on Windows. A change to enable using paths containing non-ANSI characters was suggested before in issue #128 but was rejected due to requiring large parts of both the public API and private implementation to be modified to accommodate Windows.
This PR instead changes the macro definition for `FLUID_FOPEN` from `fopen` to a new wrapper, `fluid_fopen`. This wrapper is defined in `fluidsynth_priv.h` and defined in `fluid_sys.c` (following the pattern of `fluid_alloc`). Under Windows, it converts the `const char*` UTF-8 parameters to Unicode `wchar_t*` strings using the Windows API function `MultiByteToWideChar` and opens the file using the Windows API-specific `_wfopen`. On all other platforms, it simply calls `fopen`.
The public API is unchanged. This solution will require Windows users of the API to convert UTF-16 strings to UTF-8 (which then get converted back into UTF-16 anyway), but that's still an improvement over only being able to use ANSI paths.
This PR also adds a new test, `test_utf8_open`, which tests `FLUID_FOPEN` directly and through `fluid_is_soundfont` and `fluid_synth_sfload` using a new soundfont file, `sf2/■VintageDreamsWaves-v2■.sf2`, which is just a copy of `VintageDreamsWaves-v2.sf2` with Unicode characters in the filename.
-Werror=incompatible-pointer-types is unconditionally used since version
2.1.4 and 137a14e106. This will raise a
build failure when checking for threads on gcc 4.8:
/home/buildroot/autobuild/run/instance-3/output-1/host/bin/arm-none-linux-gnueabi-gcc --sysroot=/home/buildroot/autobuild/run/instance-3/output-1/host/arm-buildroot-linux-gnueabi/sysroot -DTESTKEYWORD=inline -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -Wall -W -Wpointer-arith -Wcast-qual -Wstrict-prototypes -Wno-unused-parameter -Wdeclaration-after-statement -Werror=implicit-function-declaration -Werror=incompatible-pointer-types -Wbad-function-cast -Wcast-align -DNDEBUG -fPIE -o CMakeFiles/cmTC_98946.dir/CheckIncludeFile.c.o -c /home/buildroot/autobuild/run/instance-3/output-1/build/fluidsynth-2.1.4/CMakeFiles/CMakeTmp/CheckIncludeFile.c
cc1: error: -Werror=incompatible-pointer-types: no option -Wincompatible-pointer-types
Fixes:
- http://autobuild.buildroot.org/results/13cbba871db56ef8657a3d13c6ac8e1b4da0d244
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
