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This is the same issue which was present in 1.4, and despite a PR #30 intending to fix it, it is still broken in 1.5, unfortunately.
This is what happens on ppc (where only bytecode is available):
---> Configuring ocaml-num
---> Building ocaml-num
Executing: cd "/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_ocaml_ocaml-num/ocaml-num/work/num-1.5" && /usr/bin/make -j6 -w all
make: Entering directory `/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_ocaml_ocaml-num/ocaml-num/work/num-1.5'
/usr/bin/make -C src all
make[1]: Entering directory `/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_ocaml_ocaml-num/ocaml-num/work/num-1.5/src'
ocamlc -ccopt -DBNG_ARCH_power -c bng.c
ocamlc -ccopt -DBNG_ARCH_power -c nat_stubs.c
ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c int_misc.mli
ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c nat.mli
ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c arith_flags.mli
ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c arith_status.mli
cp ../toplevel/num_top_printers.mli ../toplevel/num_top.mli ../toplevel/num_top_printers.ml ../toplevel/num_top.ml .
cp ../toplevel/num_top_printers.mli ../toplevel/num_top.mli ../toplevel/num_top_printers.ml ../toplevel/num_top.ml .
cp ../toplevel/num_top_printers.mli ../toplevel/num_top.mli ../toplevel/num_top_printers.ml ../toplevel/num_top.ml .
ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c num_top.mli
echo 'version = "1.6~dev"' > META.top
cat META.num-top.in >> META.top
ocamlopt -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c int_misc.ml
make[1]: posix_spawn: ocamlopt: No such file or directory
ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c int_misc.ml
ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c nat.ml
ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c big_int.mli
ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c arith_flags.ml
ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c ratio.mli
ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c arith_status.ml
ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c num_top.ml
ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c big_int.ml
ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c ratio.ml
ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c num.mli
ocamlmklib -oc nums bng.o nat_stubs.o
ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c num.ml
ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c num_top_printers.mli
ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c num_top_printers.ml
ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -a -o num_top.cma num_top_printers.cmo num_top.cmo
ocamlmklib -o nums -oc nums -linkall int_misc.cmo nat.cmo big_int.cmo arith_flags.cmo ratio.cmo num.cmo arith_status.cmo
Notice what the build system tries:
ocamlopt -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c int_misc.ml
make[1]: posix_spawn: ocamlopt: No such file or directory
In result the build just freezes and I have to interrupt the process. Libraries are in fact successfully built, but forcing ocamlopt call prevents it from completion.
@dra27 Could you please take a look? It should be pretty trivial to fix in the master: we just need it to check if ocamlopt is de facto available, or at least offer a configure option to switch off native code generation, if reliable detection during the build is problematic for some reason.
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