Hi igraph users, I have problems installing python-igraph via pip for Python 3. At some point the compiler fails with:
building 'igraph._igraph' extension
creating build/temp.linux-x86_64-3.4
creating build/temp.linux-x86_64-3.4/src
gcc -pthread -Wno-unused-result -Werror=declaration-after-statement -DNDEBUG
-fmessage-length=0 -O2 -Wall -D_FORTIFY_SOURCE=2 -fstack-protector
-funwind-tables -fasynchronous-unwind-tables -g -DOPENSSL_LOAD_CONF -fPIC
-Iigraphcore/include -I../../build/include -I../../include
-I/usr/local/include/igraph -I/usr/include/igraph -I/usr/include/python3.4m -c
src/edgeobject.c -o build/temp.linux-x86_64-3.4/src/edgeobject.o
gcc -pthread -Wno-unused-result -Werror=declaration-after-statement -DNDEBUG
-fmessage-length=0 -O2 -Wall -D_FORTIFY_SOURCE=2 -fstack-protector
-funwind-tables -fasynchronous-unwind-tables -g -DOPENSSL_LOAD_CONF -fPIC
-Iigraphcore/include -I../../build/include -I../../include
-I/usr/local/include/igraph -I/usr/include/igraph -I/usr/include/python3.4m -c
src/igraphmodule.c -o build/temp.linux-x86_64-3.4/src/igraphmodule.o
gcc -pthread -Wno-unused-result -Werror=declaration-after-statement -DNDEBUG
-fmessage-length=0 -O2 -Wall -D_FORTIFY_SOURCE=2 -fstack-protector
-funwind-tables -fasynchronous-unwind-tables -g -DOPENSSL_LOAD_CONF -fPIC
-Iigraphcore/include -I../../build/include -I../../include
-I/usr/local/include/igraph -I/usr/include/igraph -I/usr/include/python3.4m -c
src/edgeseqobject.c -o build/temp.linux-x86_64-3.4/src/edgeseqobject.o
gcc -pthread -Wno-unused-result -Werror=declaration-after-statement -DNDEBUG
-fmessage-length=0 -O2 -Wall -D_FORTIFY_SOURCE=2 -fstack-protector
-funwind-tables -fasynchronous-unwind-tables -g -DOPENSSL_LOAD_CONF -fPIC
-Iigraphcore/include -I../../build/include -I../../include
-I/usr/local/include/igraph -I/usr/include/igraph -I/usr/include/python3.4m -c
src/filehandle.c -o build/temp.linux-x86_64-3.4/src/filehandle.o
src/filehandle.c: In function ‘igraphmodule_filehandle_init’:
src/filehandle.c:38:5: error: ISO C90 forbids mixed declarations and code
[-Werror=declaration-after-statement]
cc1: some warnings being treated as errors
error: command 'gcc' failed with exit status 1
Note the "cc1: some warnings being treated as errors“ - if a warning is the
cause of the failed compilation, can this be switched off?
The error is also described here:
https://stackoverflow.com/questions/26117722/compiler-error-installing-python-igraph-warnings-treated-as-errors
Can anyone help? Thank you
Christian
[email protected]
http://parco.iti.kit.edu/staudt/index-en.shtml
Institute of Theoretical Informatics - Parallel Computing Group
Building 50.34 Room 034
Karlsruhe Institute of Technology (KIT)
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