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thanks you too! i already tried, works fine for me))

Thanks! I fixed it and please give it a try.

add cython into deps

https://github.com/cocodataset/cocoapi/issues/172

I tried a clean build and cannot reproduce your error. Your log prints lots of warnings that's not present on my laptop. Can you tell more about your setup, such as the compiler and its version, and extra CFLAGS and LDFLAGS?

meh..

:: Starting the build:
==> Making package: python-cocoapi-git r201.8c9bcc3-1 (Tue Jun 16 22:47:38 2020)
==> Checking runtime dependencies...
==> Checking buildtime dependencies...
==> Retrieving sources...
-> Updating cocoapi git repo...
Fetching origin
==> Validating source files with md5sums...
cocoapi ... Skipped
==> Extracting sources...
-> Creating working copy of cocoapi git repo...
Reset branch 'makepkg'
==> Starting pkgver()...
==> Removing existing $pkgdir/ directory...
==> Entering fakeroot environment...
==> Starting package_python-cocoapi-git()...
running install
running build
running build_py
running build_ext
building 'pycocotools._mask' extension
gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -march=x86-64 -mtune=generic -O3 -pipe -fno-plt -fno-semantic-interposition -march=x86-64 -mtune=generic -O3 -pipe -fno-plt -march=x86-64 -mtune=generic -O3 -pipe -fno-plt -march=x86-64 -mtune=generic -O2 -pipe -fno-plt -D_FORTIFY_SOURCE=2 -fPIC -I/usr/lib/python3.8/site-packages/numpy/core/include -I../common -I/usr/include/python3.8 -c ../common/maskApi.c -o build/temp.linux-x86_64-3.8/../common/maskApi.o -Wno-cpp -Wno-unused-function -std=c99
../common/maskApi.c: In function 'rleDecode':
../common/maskApi.c:46:7: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
46 |       for( k=0; k<R[i].cnts[j]; k++ ) *(M++)=v; v=!v; }}
|       ^~~
../common/maskApi.c:46:49: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
46 |       for( k=0; k<R[i].cnts[j]; k++ ) *(M++)=v; v=!v; }}
|                                                 ^
../common/maskApi.c: In function 'rleFrPoly':
../common/maskApi.c:166:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
166 |   for(j=0; j<k; j++) x[j]=(int)(scale*xy[j*2+0]+.5); x[k]=x[0];
|   ^~~
../common/maskApi.c:166:54: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
166 |   for(j=0; j<k; j++) x[j]=(int)(scale*xy[j*2+0]+.5); x[k]=x[0];
|                                                      ^
../common/maskApi.c:167:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
167 |   for(j=0; j<k; j++) y[j]=(int)(scale*xy[j*2+1]+.5); y[k]=y[0];
|   ^~~
../common/maskApi.c:167:54: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
167 |   for(j=0; j<k; j++) y[j]=(int)(scale*xy[j*2+1]+.5); y[k]=y[0];
|                                                      ^
../common/maskApi.c: In function 'rleToString':
../common/maskApi.c:212:7: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
212 |       if(more) c |= 0x20; c+=48; s[p++]=c;
|       ^~
../common/maskApi.c:212:27: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
212 |       if(more) c |= 0x20; c+=48; s[p++]=c;
|                           ^
../common/maskApi.c: In function 'rleFrString':
../common/maskApi.c:220:3: warning: this 'while' clause does not guard... [-Wmisleading-indentation]
220 |   while( s[m] ) m++; cnts=malloc(sizeof(uint)*m); m=0;
|   ^~~~~
../common/maskApi.c:220:22: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'while'
220 |   while( s[m] ) m++; cnts=malloc(sizeof(uint)*m); m=0;
|                      ^~~~
../common/maskApi.c:228:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
228 |     if(m>2) x+=(long) cnts[m-2]; cnts[m++]=(uint) x;
|     ^~
../common/maskApi.c:228:34: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
228 |     if(m>2) x+=(long) cnts[m-2]; cnts[m++]=(uint) x;
|                                  ^~~~
gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -march=x86-64 -mtune=generic -O3 -pipe -fno-plt -fno-semantic-interposition -march=x86-64 -mtune=generic -O3 -pipe -fno-plt -march=x86-64 -mtune=generic -O3 -pipe -fno-plt -march=x86-64 -mtune=generic -O2 -pipe -fno-plt -D_FORTIFY_SOURCE=2 -fPIC -I/usr/lib/python3.8/site-packages/numpy/core/include -I../common -I/usr/include/python3.8 -c pycocotools/_mask.c -o build/temp.linux-x86_64-3.8/pycocotools/_mask.o -Wno-cpp -Wno-unused-function -std=c99
gcc: error: pycocotools/_mask.c: No such file or directory
gcc: fatal error: no input files
compilation terminated.
error: command 'gcc' failed with exit status 1
==> ERROR: A failure occurred in package_python-cocoapi-git().
Aborting...