mercury

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Julien Fischer a0833441e1 Add two new options to the compiler for querying what flags are passed to the

Branches: main

Add two new options to the compiler for querying what flags are passed to the
C compiler at a finer level of detail than that provided by --output-cflags.
The first new option, --output-grade-defines, prints the flags passed to the C
compiler to define the macros that specify the current compilation grade.
The second new option, --output-c-include-dir-flags, prints the flags passed
to C compiler that tell it where to search for C header files.

The rationale for the addition of the new options is that when compiling C++ or
Objective-C programs that call exported Mercury procedures via a standalone
interface we need both the flags for the grade defines and the include search
directories but other flags that we usually pass the C compiler may not be
appropriate for either a C++ or Objective-C compiler.

compiler/options.m:
	Recognise the new options.

compiler/mercury_compile.m:
	Handle the new options.

compiler/compile_target_code.m:
	Separate out the code that generates the grade macro define
	flags into a separate predicate.

	Do likewise with the code that generates the flags for specifying
	C compiler include search directories.

doc/use_guide.texi:
	Document the new options.

samples/c_interface/standalone_c/Makefile:
	Illustrate how to use the new options when compiling a program that
	uses a standalone interface.  Explain why it may not be appropriate
	to use the output of --output-cflags when compiling code that calls
	exported Mercury procedures.

2012-01-18 03:16:19 +00:00

c_calls_mercury

Use pragma foreign_export' in preference to pragma export' throughout

2006-08-31 11:09:54 +00:00

cplusplus_calls_mercury

Use pragma foreign_export' in preference to pragma export' throughout

2006-08-31 11:09:54 +00:00

mercury_calls_c

Use '.' as the module qualifier instead of '__'.

2006-03-21 00:51:03 +00:00

mercury_calls_cplusplus

Use '.' as the module qualifier instead of '__'.

2006-03-21 00:51:03 +00:00

mercury_calls_fortran

Use '.' as the module qualifier instead of '__'.

2006-03-21 00:51:03 +00:00

simpler_c_calls_mercury

Use pragma foreign_export' in preference to pragma export' throughout

2006-08-31 11:09:54 +00:00

simpler_cplusplus_calls_mercury

Use pragma foreign_export' in preference to pragma export' throughout

2006-08-31 11:09:54 +00:00

standalone_c

Add two new options to the compiler for querying what flags are passed to the

2012-01-18 03:16:19 +00:00

README

Add an example of how to use a stand-alone interface to the samples.

2007-02-22 06:52:32 +00:00

short_example.m

Use '.' as the module qualifier instead of '__'.

2006-03-21 00:51:03 +00:00

README

This directory contains some examples of mixed Mercury/C programs using
the C interface.

short_example.m                 A short example of Mercury code calling C.

mercury_calls_c                 A detailed example of Mercury code
                                calling C code.

c_calls_mercury                 A detailed example of C code calling
                                Mercury code.

mercury_calls_cplusplus         A detailed example of Mercury code
                                calling C++ code.

cplusplus_calls_mercury         A detailed example of C++ code calling
                                Mercury code.

mercury_calls_fortran           This directory contains a detailed
                                example of Mercury code calling Fortran code.

simpler_c_calls_mercury         A simpler example of C code calling Mercury.

simpler_cplusplus_calls_mercury A simpler example of C++ code calling
                                Mercury.

standalone_c			Another example of C code calling Mercury
				code this time use the compiler's 
				`--generate-standalone-interface' option.