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Fix duplicate LC_RPATH error on MacOS

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After the update to MacOS 15.4, the dynamic loader dyld treats duplicated LC_RPATH as an error.
The `FLAGS` variable already contains `LDFLAGS`, thus using both `FLAGS` and `LDFLAGS`
duplicates all `LDFLAGS`, including `-Wl,rpath` parameters.

The duplicate LC_RPATH causes this kind of errors:

```
dyld[29361]: Library not loaded: @loader_path/../lib/libzstd.1.dylib
      Referenced from: <7131C877-3CF0-33AC-AA05-257BA4FDD770> /Users/foobar/...
      Reason: tried: '/Users/foobar/..../lib/libzstd.1.dylib' (duplicate LC_RPATH '/usr/mypath.../lib')
```

Closes https://github.com/facebook/zstd/issues/4369

Signed-off-by: Etienne Cordonnier <ecordonnier@snap.com>
This commit is contained in:
Etienne Cordonnier
2025-04-18 15:59:06 +02:00
parent d654fca786
commit 8929d3b09f
1 changed files with 2 additions and 2 deletions
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lib/Makefile
+2 -2
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@@ -166,7 +166,7 @@ $(ZSTD_DYNLIB): $(ZSTD_DYNLIB_OBJ)
$(if $(filter -DZSTD_MULTITHREAD,$(CPPFLAGS)),\
@echo compiling multi-threaded dynamic library $(LIBVER),\
@echo compiling single-threaded dynamic library $(LIBVER))
$(CC) $(FLAGS) $^ $(LDFLAGS) $(SONAME_FLAGS) -o $@
$(CC) $(FLAGS) $^ $(SONAME_FLAGS) -o $@
@echo creating versioned links
ln -sf $@ libzstd.$(SHARED_EXT_MAJOR)
ln -sf $@ libzstd.$(SHARED_EXT)
@@ -255,7 +255,7 @@ libzstd-nomt: $(ZSTD_NOMT_FILES)
echo "Error: Found zstdmt in list."; \
exit 1; \
fi
$(CC) $(FLAGS) $^ $(LDFLAGS) $(SONAME_FLAGS) -o $@
$(CC) $(FLAGS) $^ $(SONAME_FLAGS) -o $@
.PHONY: clean
clean: