Hello plplot devs,
building ocaml bindings use an ocaml specific IDL named camlidl. This tool as a
first pass invoke cpp for enabling the use of macro in the source .idl file.
apple cpp and gnu cpp differs at least on the following:
-----------8<----------#define QUOTEME(x) #x#define RAW_ML(x) quote(mlmli,
QUOTEME(x));
RAW_ML("raw ml")------------8<----------
gives, using gnu cpp:
# 1 "test2.idl"# 1 "<built-in>"# 1 "<command-line>"# 1 "test2.idl"
quote(mlmli, "\"raw ml\"");
... and using apple cpp
# 1 "test2.idl"# 1 "<built-in>" 1# 1 "<built-in>" 3# 328 "<built-in>" 3# 1
"<command line>" 1# 1 "<built-in>" 2# 1 "test2.idl" 2
quote(mlmli, #"raw ml");
which trigger the following build error:
[ 47%] Built target plplotScanning dependencies of target plplotcxx[ 48%]
Building CXX object bindings/c++/CMakeFiles/plplotcxx.dir/plstream.cc.o[ 50%]
Linking CXX shared library libplplotcxx.dylib[ 50%] Built target
plplotcxxScanning dependencies of target target_lib_plplot_stubs[ 51%]
Generating plplot_core.idl, plplot_core.mli, plplot_core.ml,
plplot_core_stubs.c, plplot_core.hFile plplot_core.idl, line 330, column 13:
Illegal character #make[2]: *** [bindings/ocaml/plplot_core.idl] Error
2make[2]: *** Deleting file `bindings/ocaml/plplot_core.idl'make[1]: ***
[bindings/ocaml/CMakeFiles/target_lib_plplot_stubs.dir/all] Error 2make: ***
[all] Error 2
building ocaml binding on OS X require first, a gnu cpp onboard, and second, a
mean to detect it.
Regards
--Philippe STRAUSS
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