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Full Discussion: Need help from a C++ makefile guru
Top Forums Shell Programming and Scripting Need help from a C++ makefile guru Post 302965058 by f77hack on Saturday 23rd of January 2016 02:31:03 AM
Old 01-23-2016
Need help from a C++ makefile guru
hello,

i'm recompiling some c++ code for OSX and there are some bugs as the configure is not picking up some libs like atlas, pastix, etc, it should be finding either in standard path or with pkgconfig but it's not so i'm rewriting the Makefile. C++ territory is a bit of a stretch with all of the preprocessing that needs to be done then linked.

i usually use rules to keep makefiles simple but i don't know if I'll break something with my bash inside the makefile?

there are 2 binaries and a static lib as a result, each has different flags with some common source elements so the object files are renamed so they are aren't overwritten.

someone else has a better way to do this?

anyway there are a LOT of lines in the file like this which i'd like to safely reduce to rules

------------as is --------
Code:
$(STATICLIB)_la_OBJECTS = libtest_la-c_evl ...+30 more.

Code:
$(STATICLIB)_SOURCES = c_evl.cpp .....+30 more

Code:
test-c_geo.o: c_geo.cpp
	$(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_CXXFLAGS) $(CXXFLAGS) -c -o test-c_geo.o c_geo.cpp

Code:
libtest_la-c_evl.lo: c_evl.cpp
	$(AM_V_CXX)$(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(LOTS_OF_FLAGS) $(libtest_la_CXXFLAGS) $(CXXFLAGS) -c -o libtest_la-c_evlcom.lo c_evl.cpp

---------- will this work ? --------

maybe it is just easier to dump the object files for each into a separate director and then use implicit rules?

---------- Post updated 01-23-16 at 02:31 AM ---------- Previous update was 01-22-16 at 06:29 PM ----------

FYI, it was just easier to dump the object files into separate directories and compile.

whoever thought libtool/autoconf is a good thing? i turned about 6000 lines of bloated code into about 200. compiles libraries in 1/3 the time.
Last edited by f77hack; 01-22-2016 at 07:40 PM.. Reason: typos+++
 

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LEARN ABOUT MOJAVE

locale::codes::langext

Locale::Codes::LangExt(3pm)				 Perl Programmers Reference Guide			       Locale::Codes::LangExt(3pm)

NAME

       Locale::Codes::LangExt - standard codes for language extension identification

SYNOPSIS

	  use Locale::Codes::LangExt;

	  $lext = code2langext('acm');		       # $lext gets 'Mesopotamian Arabic'
	  $code = langext2code('Mesopotamian Arabic'); # $code gets 'acm'

	  @codes   = all_langext_codes();
	  @names   = all_langext_names();

DESCRIPTION

       The "Locale::Codes::LangExt" module provides access to standard codes used for identifying language extensions, such as those as defined in
       the IANA language registry.

       Most of the routines take an optional additional argument which specifies the code set to use. If not specified, the default IANA language
       registry codes will be used.

SUPPORTED CODE SETS

       There are several different code sets you can use for identifying language extensions. A code set may be specified using either a name, or
       a constant that is automatically exported by this module.

       For example, the two are equivalent:

	  $lext = code2langext('acm','alpha');
	  $lext = code2langext('acm',LOCALE_LANGEXT_ALPHA);

       The codesets currently supported are:

       alpha
	   This is the set of three-letter (lowercase) codes from the IANA language registry, such as 'acm' for Mesopotamian Arabic.

	   This is the default code set.

ROUTINES

       code2langext ( CODE [,CODESET] )
       langext2code ( NAME [,CODESET] )
       langext_code2code ( CODE ,CODESET ,CODESET2 )
       all_langext_codes ( [CODESET] )
       all_langext_names ( [CODESET] )
       Locale::Codes::LangExt::rename_langext  ( CODE ,NEW_NAME [,CODESET] )
       Locale::Codes::LangExt::add_langext  ( CODE ,NAME [,CODESET] )
       Locale::Codes::LangExt::delete_langext  ( CODE [,CODESET] )
       Locale::Codes::LangExt::add_langext_alias  ( NAME ,NEW_NAME )
       Locale::Codes::LangExt::delete_langext_alias  ( NAME )
       Locale::Codes::LangExt::rename_langext_code  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangExt::add_langext_code_alias  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangExt::delete_langext_code_alias  ( CODE [,CODESET] )
	   These routines are all documented in the Locale::Codes::API man page.

SEE ALSO

       Locale::Codes
	   The Locale-Codes distribution.

       Locale::Codes::API
	   The list of functions supported by this module.

       http://www.iana.org/assignments/language-subtag-registry
	   The IANA language subtag registry.

AUTHOR

       See Locale::Codes for full author history.

       Currently maintained by Sullivan Beck (sbeck@cpan.org).

COPYRIGHT

	  Copyright (c) 2011-2013 Sullivan Beck

       This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

perl v5.18.2							    2013-11-04					       Locale::Codes::LangExt(3pm)
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