Add support for parallel compilation
jvoisin opened this issue · comments
It's currently not possible to build Mesh using more than one core:
$ /tmp/Mesh git show | head -n 1
commit 797e234afacfc9b9a0d1b13873f2b32c8bc5ef54
$ /tmp/Mesh cmake .
-- The CXX compiler identification is GNU 12.1.0
-- The C compiler identification is GNU 12.1.0
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/cc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Configuring done
-- Generating done
-- Build files have been written to: /tmp/Mesh
$ /tmp/Mesh make -j 8
[ 2%] Creating directories for 'googletest'
[ 4%] Building CXX object src/CMakeFiles/mesh.dir/global_heap.cc.o
[ 7%] Building CXX object src/CMakeFiles/mesh.dir/runtime.cc.o
[ 11%] Building CXX object src/CMakeFiles/mesh.dir/real.cc.o
[ 11%] Building CXX object src/CMakeFiles/mesh.dir/d_assert.cc.o
[ 14%] Creating directories for 'heap_layers'
[ 16%] Building CXX object src/CMakeFiles/unit.test.dir/d_assert.cc.o
[ 19%] Building CXX object src/CMakeFiles/mesh.dir/meshable_arena.cc.o
[ 23%] Performing download step (git clone) for 'googletest'
[ 23%] Performing download step (git clone) for 'heap_layers'
Cloning into 'heap_layers-src'...
Cloning into 'googletest-src'...
In file included from /tmp/Mesh/src/internal.h:21,
from /tmp/Mesh/src/global_heap.h:14,
from /tmp/Mesh/src/global_heap.cc:8:
/tmp/Mesh/src/common.h:39:10: fatal error: utility/ilog2.h: No such file or directory
39 | #include "utility/ilog2.h"
| ^~~~~~~~~~~~~~~~~
compilation terminated.
In file included from /tmp/Mesh/src/real.cc:10:
/tmp/Mesh/src/common.h:39:10: fatal error: utility/ilog2.h: No such file or directory
39 | #include "utility/ilog2.h"
| ^~~~~~~~~~~~~~~~~
compilation terminated.
make[2]: *** [src/CMakeFiles/mesh.dir/build.make:90: src/CMakeFiles/mesh.dir/global_heap.cc.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[2]: *** [src/CMakeFiles/mesh.dir/build.make:118: src/CMakeFiles/mesh.dir/real.cc.o] Error 1
In file included from /tmp/Mesh/src/d_assert.cc:11:
/tmp/Mesh/src/common.h:39:10: fatal error: utility/ilog2.h: No such file or directory
39 | #include "utility/ilog2.h"
| ^~~~~~~~~~~~~~~~~
compilation terminated.
make[2]: *** [src/CMakeFiles/mesh.dir/build.make:76: src/CMakeFiles/mesh.dir/d_assert.cc.o] Error 1
[ 26%] Building CXX object src/CMakeFiles/unit.test.dir/global_heap.cc.o
[ 28%] Building CXX object src/CMakeFiles/unit.test.dir/runtime.cc.o
In file included from /tmp/Mesh/src/internal.h:21,
from /tmp/Mesh/src/runtime.h:22,
from /tmp/Mesh/src/runtime.cc:18:
/tmp/Mesh/src/common.h:39:10: fatal error: utility/ilog2.h: No such file or directory
39 | #include "utility/ilog2.h"
| ^~~~~~~~~~~~~~~~~
compilation terminated.
make[2]: *** [src/CMakeFiles/mesh.dir/build.make:104: src/CMakeFiles/mesh.dir/runtime.cc.o] Error 1
[ 30%] Building CXX object src/CMakeFiles/unit.test.dir/real.cc.o
In file included from /tmp/Mesh/src/d_assert.cc:11:
/tmp/Mesh/src/common.h:39:10: fatal error: utility/ilog2.h: No such file or directory
39 | #include "utility/ilog2.h"
| ^~~~~~~~~~~~~~~~~
compilation terminated.
[ 33%] Building CXX object src/CMakeFiles/unit.test.dir/meshable_arena.cc.o
make[2]: *** [src/CMakeFiles/unit.test.dir/build.make:76: src/CMakeFiles/unit.test.dir/d_assert.cc.o] Error 1
make[2]: *** Waiting for unfinished jobs....
In file included from /tmp/Mesh/src/internal.h:21,
from /tmp/Mesh/src/meshable_arena.h:31,
from /tmp/Mesh/src/meshable_arena.cc:26:
/tmp/Mesh/src/common.h:39:10: fatal error: utility/ilog2.h: No such file or directory
39 | #include "utility/ilog2.h"
| ^~~~~~~~~~~~~~~~~
compilation terminated.
make[2]: *** [src/CMakeFiles/mesh.dir/build.make:132: src/CMakeFiles/mesh.dir/meshable_arena.cc.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:156: src/CMakeFiles/mesh.dir/all] Error 2
make[1]: *** Waiting for unfinished jobs....
In file included from /tmp/Mesh/src/internal.h:21,
from /tmp/Mesh/src/global_heap.h:14,
from /tmp/Mesh/src/global_heap.cc:8:
/tmp/Mesh/src/common.h:39:10: fatal error: utility/ilog2.h: No such file or directory
39 | #include "utility/ilog2.h"
| ^~~~~~~~~~~~~~~~~
compilation terminated.
In file included from /tmp/Mesh/src/real.cc:10:
/tmp/Mesh/src/common.h:39:10: fatal error: utility/ilog2.h: No such file or directory
39 | #include "utility/ilog2.h"
| ^~~~~~~~~~~~~~~~~
compilation terminated.
make[2]: *** [src/CMakeFiles/unit.test.dir/build.make:90: src/CMakeFiles/unit.test.dir/global_heap.cc.o] Error 1
make[2]: *** [src/CMakeFiles/unit.test.dir/build.make:118: src/CMakeFiles/unit.test.dir/real.cc.o] Error 1
In file included from /tmp/Mesh/src/internal.h:21,
from /tmp/Mesh/src/runtime.h:22,
from /tmp/Mesh/src/runtime.cc:18:
/tmp/Mesh/src/common.h:39:10: fatal error: utility/ilog2.h: No such file or directory
39 | #include "utility/ilog2.h"
| ^~~~~~~~~~~~~~~~~
compilation terminated.
In file included from /tmp/Mesh/src/internal.h:21,
from /tmp/Mesh/src/meshable_arena.h:31,
from /tmp/Mesh/src/meshable_arena.cc:26:
/tmp/Mesh/src/common.h:39:10: fatal error: utility/ilog2.h: No such file or directory
39 | #include "utility/ilog2.h"
| ^~~~~~~~~~~~~~~~~
compilation terminated.
make[2]: *** [src/CMakeFiles/unit.test.dir/build.make:104: src/CMakeFiles/unit.test.dir/runtime.cc.o] Error 1
make[2]: *** [src/CMakeFiles/unit.test.dir/build.make:132: src/CMakeFiles/unit.test.dir/meshable_arena.cc.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:182: src/CMakeFiles/unit.test.dir/all] Error 2
HEAD is now at a80041c Some types to eliminate warnings.
[ 35%] Performing update step for 'heap_layers'
[ 38%] No patch step for 'heap_layers'
[ 40%] No configure step for 'heap_layers'
[ 42%] No build step for 'heap_layers'
[ 45%] No install step for 'heap_layers'
[ 47%] No test step for 'heap_layers'
[ 50%] Completed 'heap_layers'
[ 50%] Built target heap_layers
HEAD is now at 3e0e32ba Merge pull request #3664 from kuzkry:typo-fixes
[ 52%] Performing update step for 'googletest'
[ 54%] No patch step for 'googletest'
[ 57%] Performing configure step for 'googletest'
-- The C compiler identification is GNU 12.1.0
-- The CXX compiler identification is GNU 12.1.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/cc - 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: /usr/bin/c++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Found Python: /usr/bin/python3.10 (found version "3.10.5") found components: Interpreter
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Failed
-- Looking for pthread_create in pthreads
-- Looking for pthread_create in pthreads - not found
-- Looking for pthread_create in pthread
-- Looking for pthread_create in pthread - found
-- Found Threads: TRUE
-- Configuring done
-- Generating done
-- Build files have been written to: /tmp/Mesh/googletest-build
[ 59%] Performing build step for 'googletest'
[ 12%] Building CXX object googletest/CMakeFiles/gtest.dir/src/gtest-all.cc.o
[ 25%] Linking CXX static library ../lib/libgtest.a
[ 25%] Built target gtest
[ 37%] Building CXX object googlemock/CMakeFiles/gmock.dir/src/gmock-all.cc.o
[ 50%] Building CXX object googletest/CMakeFiles/gtest_main.dir/src/gtest_main.cc.o
[ 62%] Linking CXX static library ../lib/libgtest_main.a
[ 62%] Built target gtest_main
[ 75%] Linking CXX static library ../lib/libgmock.a
[ 75%] Built target gmock
[ 87%] Building CXX object googlemock/CMakeFiles/gmock_main.dir/src/gmock_main.cc.o
[100%] Linking CXX static library ../lib/libgmock_main.a
[100%] Built target gmock_main
[ 61%] No install step for 'googletest'
[ 64%] No test step for 'googletest'
[ 66%] Completed 'googletest'
[ 66%] Built target googletest
make: *** [Makefile:91: all] Error 2
[2]
$ /tmp/Mesh
@bpowers @bobby-stripe maybe a missing dependency on Heap Layers?