The Linux Development Platform Configuring, Using, and ... - Classes

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CH03.fm Page 70 Monday, October 7, 2002 8:33 PM 70 Chapter 3 • Compilers and Assemblers gcc-3.0.4/lib/gcc-lib/i686-pc-linux-gnu/3.0.4/../../.. /tmp/ ccBgJjpa.o /tmp/cchm92Nc.o -lgcc -lgcj -lm -lgcjgc -lpthread - lzgcj -ldl -lgcc -lc -lgcc /opt/gcc-3.0.4/lib/gcc-lib/i686-pclinux-gnu/3.0.4/crtend.o /usr/lib/crtn.o [rr@conformix 4]$ As you can see, different programs have been executed to get the output binary file. These programs include: • The jcl program • GNU assembler as. Again as is the name of the assembler. as • The jvgenmain program • The cc1 compiler • The collect2 program You can also see various command line switches used with these programs. 3.3.8 Summary of gcc Options Hundreds of options can be used with gcc on command line. Explanation of all of these options is beyond the scope of this book. However, following is a summary list of these options as displayed by gcc man page (using man gcc command). Options are grouped in different sections which will be helpful for you if you are looking for options related to a particular task. 3.3.8.1 Overall Options -c -S -E -o file -pipe -pass-exit-codes -x language -v --target-help --help 3.3.8.2 C Language Options -ansi -std=standard -aux-info filename -fno-asm -fno-builtin -fhosted -ffree-standing -trigraphs -traditional
CH03.fm Page 71 Monday, October 7, 2002 8:33 PM Compiling a Program 71 -traditional-cpp -fallow-single-precision -fcond-mismatch -fsigned-bitfields -fsigned-char -funsigned-bitfields -funsigned-char -fwritable-strings -fshort-wchar 3.3.8.3 C++ Language Options -fno-access-control -fcheck-new -fconserve-space -fno-const-strings -fdollars-in-identifiers -fno-elide-constructors -fno-enforce-eh-specs -fexternal-templates -falt-external-templates -ffor-scope -fno-for-scope -fno-gnu-keywords -fno-implicit-templates -fno-implicit-inline-templates -fno-implement-inlines -fms-extensions -fno-nonansi-builtins -fno-operator-names -fno-optional-diags -fpermissive -frepo -fno-rtti -fstats -ftemplate-depth-n -fuse-cxa-atexit -fno-weak -nostdinc++ -fno-default-inline -Wctor-dtor-privacy -Wnon-virtual-dtor -Wreorder -Weffc++ -Wno-deprecated -Wno-non-template-friend
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