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126 lines
5.0 KiB
126 lines
5.0 KiB
What about using builtin symbols defined by the compiler (gcc)
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itself. For example on Alpha I have :
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lappa{bussat}(74) echo 'main(){printf("hello world\n";}' |gcc -E -v -
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Reading specs from /usr/local/lib/gcc-lib/alpha-dec-osf4.0/2.7.2.3/specs
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gcc version 2.7.2.3
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/usr/local/lib/gcc-lib/alpha-dec-osf4.0/2.7.2.3/cpp -lang-c -v -undef
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-D__GNUC__=2 -D__GNUC_MINOR__=7 -Dunix -D__osf__ -D__alpha -D__alpha__
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-D_LONGLONG -DSYSTYPE_BSD -D_SYSTYPE_BSD -D__unix__ -D__osf__ -D__alpha
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-D__alpha__ -D_LONGLONG -D__SYSTYPE_BSD__ -D_SYSTYPE_BSD -D__unix
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-D__SYSTYPE_BSD -Asystem(unix) -Asystem(xpg4) -Acpu(alpha)
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-Amachine(alpha) -D__LANGUAGE_C__ -D__LANGUAGE_C -DLANGUAGE_C -
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GNU CPP version 2.7.2.3
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#include "..." search starts here:
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#include <...> search starts here:
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/usr/local/include
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/usr/local/alpha-dec-osf4.0/include
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/usr/local/lib/gcc-lib/alpha-dec-osf4.0/2.7.2.3/include
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/usr/include
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End of search list.
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# 1 ""
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main(){printf("hello world\n";}
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On HP, this becomes :
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bussat [21] echo 'main(){printf("hello world\n";}' |gcc -E -v -
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Reading specs from
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/opt/gcc/lib/gcc-lib/hppa1.1-hp-hpux10.10/2.7.2.2/specs
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gcc version 2.7.2.2
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/opt/gcc/lib/gcc-lib/hppa1.1-hp-hpux10.10/2.7.2.2/cpp -lang-c -v -undef
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-D__GNUC__=2 -D__GNUC_MINOR__=7 -Dhppa -Dhp9000s800 -D__hp9000s800
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-Dhp9k8 -DPWB -Dhpux -Dunix -D_HPUX_SOURCE -D__hppa__ -D__hp9000s800__
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-D__hp9000s800 -D__hp9k8__ -D__PWB__ -D__hpux__ -D__unix__
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-D_HPUX_SOURCE -D__hppa -D__hp9000s800 -D__hp9k8 -D__PWB -D__hpux
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-D__unix -Asystem(unix) -Asystem(hpux) -Acpu(hppa) -Amachine(hppa)
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-D__hp9000s700 -D_PA_RISC1_1 -
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GNU CPP version 2.7.2.2 (hppa)
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#include "..." search starts here:
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#include <...> search starts here:
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/opt/gcc/include
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/opt/gcc/hppa1.1-hp-hpux10.10/include
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/opt/gcc/lib/gcc-lib/hppa1.1-hp-hpux10.10/2.7.2.2/include
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/usr/include
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End of search list.
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# 1 ""
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main(){printf("hello world
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";}
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On Sun Solaris2.5 I found
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lappsun8{bussat}[1]: echo 'main(){printf("hello world\n";}' |gcc -E -v -
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Reading specs from
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/opt/FSFgcc/lib/gcc-lib/sparc-sun-solaris2.5/2.7.2/specs
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gcc version 2.7.2
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/opt/FSFgcc/lib/gcc-lib/sparc-sun-solaris2.5/2.7.2/cpp -lang-c -v
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-undef -D__GNUC__=2 -D__GNUC_MINOR__=7 -Dsun -Dsparc -Dunix -D__svr4__
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-D__SVR4 -D__GCC_NEW_VARARGS__ -D__sun__ -D__sparc__ -D__unix__
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-D__svr4__ -D__SVR4 -D__GCC_NEW_VARARGS__ -D__sun -D__sparc -D__unix
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-Asystem(unix) -Asystem(svr4) -Acpu(sparc) -Amachine(sparc) -
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GNU CPP version 2.7.2 (sparc)
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#include "..." search starts here:
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#include <...> search starts here:
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/usr/local/include
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/opt/FSFgcc/sparc-sun-solaris2.5/include
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/opt/FSFgcc/lib/gcc-lib/sparc-sun-solaris2.5/2.7.2/include
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/usr/include
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End of search list.
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# 1 ""
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main(){printf("hello world
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";}
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Finally, on Sun with SunOS4.1 the results are :
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lappsun1{bussat}[1]: echo 'main(){printf("hello world\n";}' |gcc -E -v
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-
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Reading specs from
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/usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3_U1/2.6.0/specs
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gcc version 2.6.0
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/usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3_U1/2.6.0/cpp -lang-c -v
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-undef -D__GNUC__=2 -D__GNUC_MINOR__=6 -Dsparc -Dsun -Dunix
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-D__GCC_NEW_VARARGS__ -D__sparc__ -D__sun__ -D__unix__
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-D__GCC_NEW_VARARGS__ -D__sparc -D__sun -D__unix -Asystem(unix)
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-Asystem(bsd) -Acpu(sparc) -Amachine(sparc) -
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GNU CPP version 2.6.0 (sparc)
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#include "..." search starts here:
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#include <...> search starts here:
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/usr/local/include
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/usr/local/sparc-sun-sunos4.1.3_U1/include
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/usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3_U1/2.6.0/include
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/usr/include
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End of search list.
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# 1 ""
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main(){printf("hello world
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";}
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on a Linux box there is:
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mike@kermit:/home/mike > echo 'main(){printf("hello world\n";}' |gcc -E -v -
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Reading specs from /usr/lib/gcc-lib/i486-linux/2.7.2.1/specs
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gcc version 2.7.2.1
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/usr/lib/gcc-lib/i486-linux/2.7.2.1/cpp -lang-c -v -undef -D__GNUC__=2
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-D__GNUC_MINOR__=7 -D__ELF__ -Dunix -Di386 -Dlinux -D__ELF__ -D__unix__
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-D__i386__ -D__linux__ -D__unix -D__i386 -D__linux -Asystem(unix)
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-Asystem(posix) -Acpu(i386) -Amachine(i386) -D__i486__ - GNU CPP version
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2.7.2.1 (i386 Linux/ELF) #include "..." search starts here: #include <...>
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search starts here: /usr/local/include
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/usr/i486-linux/include
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/usr/lib/gcc-lib/i486-linux/2.7.2.1/include
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/usr/include
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End of search list.
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# 1 ""
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main(){printf("hello world\n";}
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on digital UNIX V3.2D-1 there is
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mkropfbe@edusrv(1)$ echo 'main(){printf("hello world\n";}' |gcc -E -v -
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Reading specs from /usr/local/lib/gcc-lib/alpha-dec-osf3.2/2.7.2/specs
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gcc version 2.7.2
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/usr/local/lib/gcc-lib/alpha-dec-osf3.2/2.7.2/cpp -lang-c -v -undef
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-D__GNUC__=2 -D__GNUC_MINOR__=7 -Dunix -D__osf__ -D__alpha -D__alpha__
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-D_LONGLONG -DSYSTYPE_BSD -D_SYSTYPE_BSD -D__unix__ -D__osf__ -D__alpha
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-D__alpha__ -D_LONGLONG -D__SYSTYPE_BSD__ -D_SYSTYPE_BSD -D__unix
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-D__SYSTYPE_BSD -Asystem(unix) -Asystem(xpg4) -Acpu(alpha) -Amachine(alpha)
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-D__LANGUAGE_C__ -D__LANGUAGE_C -DLANGUAGE_C - GNU CPP version 2.7.2 #include
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"..." search starts here: #include <...> search starts here:
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/usr/local/include /usr/local/alpha-dec-osf3.2/include
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/usr/local/lib/gcc-lib/alpha-dec-osf3.2/2.7.2/include /usr/include
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End of search list.
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# 1 ""
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main(){printf("hello world\n";}
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