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Full Discussion: aCC compiler: dramatic drop in .o file sizes?
Operating Systems HP-UX aCC compiler: dramatic drop in .o file sizes? Post 302211168 by Mark F. Cook on Wednesday 2nd of July 2008 06:07:04 PM
Old 07-02-2008
aCC compiler: dramatic drop in .o file sizes?
We've just moved to a new iTanium development system at my place of business, as the previous one is going to be diverted to other uses. Our product uses a locally produced library built from over 2,300 C++ sources.

We just noticed that our libraries are 2/3s smaller on the new system than they were on the old one! The process for building them has not changed, both the old and new systems are ia64, OS version 11.23, and both are compiled using aCC. The only difference that I can find is that the aCC compiler on the old system is version A.06.06, and on the new system the version is A.06.15.

Have there been changes in the compiler between those two versions that would account for the substantial drop in object file size and, if so, what are they?

TIA.
 

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LEARN ABOUT DEBIAN

sc-config

SC-CONFIG(1)						      General Commands Manual						      SC-CONFIG(1)

NAME

       sc-config - script to get information about the installed version of SC

SYNOPSIS

       sc-config  [--prefix[=DIR]  ]  [--exec-prefix[=DIR]  ]  [--version]  [--libs]  [--cppflags]  [--cc] [--cflags] [--cxx] [--cxxflags] [--f77]
       [--f77flags]

DESCRIPTION

       The sc-config program can be used to obtain the compilers, compiler options and libraries needed to use the SC (Scientific Computing) tool-
       kit from your program.

OPTIONS

       The sc-config program returns information about how SC was compiled and installed. The following information is available:

       --prefix
	       The directory where SC is installed.

       --version
	       The version of SC.

       --libdir
	       The directory were the libraries are found.

       --libs  The libraries and library paths needed to link.

       --cppflags
	       The include directories needed to build.

       --cc    The C compiler.

       --cflags
	       The C compiler flags.

       --cxx   The C++ compiler.

       --cxxflags
	       The C++ compiler flags.

       --f77   The FORTRAN 77 compiler.

       --f77flags
	       The FORTRAN 77 compiler flags.

EXAMPLES

       To use the sc-config program to link your executable to SC, use a Makefile for GNU make similar to the following:

	      SCCONFIG = /usr/bin/sc-config
	      CXX := $(shell $(SCCONFIG) --cxx)
	      CXXFLAGS := $(shell $(SCCONFIG) --cxxflags)
	      CPPFLAGS := $(shell $(SCCONFIG) --cppflags)
	      LIBS := $(shell $(SCCONFIG) --libs)

	      myprog: myprog.o
		      $(CXX) $(CXXFLAGS) -o $@ $^ $(LIBS)

Version 2							    15 Feb 2001 						      SC-CONFIG(1)
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