I think its a g95 bug on Mac. I see this on the Mac - but on on linux. Will report the bug. moving 'block data PetscCommInit' into a different sourcefile is a workarround. Satish On Wed, 23 Jun 2010, Barry Smith wrote:

Anybody know what this problem is and how to fix it?

Barry

make PETSC_DIR=/Users/barrysmith/Src/petsc-dev PETSC_ARCH=arch-g95 /Users/barrysmith/Src/petsc-dev/arch-g95/bin/mpif90 -c -Wall -Wno-unused-variable -g -I/Users/barrysmith/Src/petsc-dev/arch-g95/include -I/Users/barrysmith/Src/petsc-dev/include -I/opt/local/include -I/Users/barrysmith/Src/petsc-dev/arch-g95/include -I/Users/barrysmith/Src/petsc-dev/arch-g95/include -I/opt/local/include -I/Users/barrysmith/Src/petsc-dev/arch-g95/include -o somefort.o somefort.F Warning (115): Line 17 of somefort.F is being truncated Warning (115): Line 18 of somefort.F is being truncated Warning (115): Line 19 of somefort.F is being truncated Warning (115): Line 17 of somefort.F is being truncated Warning (115): Line 18 of somefort.F is being truncated Warning (115): Line 19 of somefort.F is being truncated /var/folders/M4/M4PTePd3FM4rLBeN0lPCkE+++TI/-Tmp-//ccQR27B9.s:321:non-relocatable subtraction expression, "_petscfortran9_" minus "L00000000002$pb" /var/folders/M4/M4PTePd3FM4rLBeN0lPCkE+++TI/-Tmp-//ccQR27B9.s:321:symbol: "_petscfortran9_" can't be undefined in a subtraction expression /var/folders/M4/M4PTePd3FM4rLBeN0lPCkE+++TI/-Tmp-//ccQR27B9.s:118:non-relocatable subtraction expression, "_petscfortran10_" minus "L00000000001$pb" /var/folders/M4/M4PTePd3FM4rLBeN0lPCkE+++TI/-Tmp-//ccQR27B9.s:118:symbol: "_petscfortran10_" can't be undefined in a subtraction expression /var/folders/M4/M4PTePd3FM4rLBeN0lPCkE+++TI/-Tmp-//ccQR27B9.s:113:non-relocatable subtraction expression, "_petscfortran9_" minus "L00000000001$pb" /var/folders/M4/M4PTePd3FM4rLBeN0lPCkE+++TI/-Tmp-//ccQR27B9.s:113:symbol: "_petscfortran9_" can't be undefined in a subtraction expression make[1]: [somefort.o] Error 1 (ignored) /usr/bin/ar cr /Users/barrysmith/Src/petsc-dev/arch-g95/lib/libpetsc.a somefort.o ar: somefort.o: No such file or directory make[1]: [libf] Error 1 (ignored) /usr/bin/ranlib: file: /Users/barrysmith/Src/petsc-dev/arch-g95/lib/libpetsc.a(mhyp.o) has no symbols