Source: petsc Version: 3.8.3+dfsg1-6 Severity: serious Tags: sid buster Hi,
petsc FTBFS with this error on the architectures with make 4.1 (others have make 4.2.1): > dh_auto_build -plibpetsc-real3.8-dbg -ppetsc3.8-doc -- \ > PETSC_DIR=/<<BUILDDIR>>/petsc-3.8.3+dfsg1 > PETSC_ARCH=i386-linux-gnu-real-debug \ > CFLAGS="-fdebug-prefix-map=/<<BUILDDIR>>/petsc-3.8.3+dfsg1=." > CXXFLAGS="-fdebug-prefix-map=/<<BUILDDIR>>/petsc-3.8.3+dfsg1=." \ > FCFLAGS="-fdebug-prefix-map=/<<BUILDDIR>>/petsc-3.8.3+dfsg1=." > FFLAGS="-fdebug-prefix-map=/<<BUILDDIR>>/petsc-3.8.3+dfsg1=." > make -j4 -O PETSC_DIR=/<<BUILDDIR>>/petsc-3.8.3\+dfsg1 > PETSC_ARCH=i386-linux-gnu-real-debug > CFLAGS=-fdebug-prefix-map=/<<BUILDDIR>>/petsc-3.8.3\+dfsg1=. > CXXFLAGS=-fdebug-prefix-map=/<<BUILDDIR>>/petsc-3.8.3\+dfsg1=. > FCFLAGS=-fdebug-prefix-map=/<<BUILDDIR>>/petsc-3.8.3\+dfsg1=. > FFLAGS=-fdebug-prefix-map=/<<BUILDDIR>>/petsc-3.8.3\+dfsg1=. > make[2]: Entering directory '/<<BUILDDIR>>/petsc-3.8.3+dfsg1' > [1;31m********************* ERROR ********************** > PETSc toplevel makefile does not support -j option. > Instead - use: "make MAKE_NP=<np>". Current value of MAKE_NP is 4. > **************************************************[0;39m[0;49m > /<<BUILDDIR>>/petsc-3.8.3+dfsg1/lib/petsc/conf/rules:19: recipe for target > 'chk_makej' failed > make[2]: *** [chk_makej] Error 1 On the architectures with make 4.2.1, the build succeeds incorrectly (at least according to the intention of the -jX check). This happens because the check in lib/petsc/conf/rules checks for " -j " (with spaces) in MAKEFLAGS. In make 4.2.1 the behavior was changed to include the number of parallel jobs in MAKEFLAGS which causes this test to never report a parallel build. I think you either need to use -j1, or remove the upstream -jX check if it is invalid for some reason. James
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