aleman@aleman-desktop:~$ gcc -dumpspecs

*asm:

--traditional-format %{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*}  %{Wa,*:%*} %{m32:--32} %{m64:--64}

 

*asm_debug:

%{gstabs*:--gstabs}%{!gstabs*:%{g*:--gdwarf2}}

 

*asm_final:

 

 

*asm_options:

%a %Y %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}

 

*invoke_as:

%{!S:-o %|.s |

 as %(asm_options) %|.s %A }

 

*cpp:

%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}

 

*cpp_options:

%(cpp_unique_options) %1 %{m*} %{std*&ansi&trigraphs} %{W*&pedantic*} %{w} %{f*} %{g*:%{!g0:%{!fno-working-directory:-fworking-directory}}} %{O*} %{undef} %{save-temps:-fpch-preprocess}

 

*cpp_debug_options:

%{d*}

 

*cpp_unique_options:

%{C|CC:%{!E:%eGCC does not support -C or -CC without -E}} %{!Q:-quiet} %{nostdinc*} %{C} %{CC} %{v} %{I*&F*} %{P} %I %{MD:-MD %{!o:%b.d}%{o*:%.d%*}} %{MMD:-MMD %{!o:%b.d}%{o*:%.d%*}} %{M} %{MM} %{MF*} %{MG} %{MP} %{MQ*} %{MT*} %{!E:%{!M:%{!MM:%{MD|MMD:%{o*:-MQ %*}}}}} %{remap} %{g3:-dD} %{H} %C %{D*&U*&A*} %{i*} %Z %i %{fmudflap:-D_MUDFLAP -include mf-runtime.h} %{fmudflapth:-D_MUDFLAP -D_MUDFLAPTH -include mf-runtime.h} %{E|M|MM:%W{o*}}

 

*trad_capable_cpp:

cc1 -E %{traditional|ftraditional|traditional-cpp:-traditional-cpp}

 

*cc1:

%(cc1_cpu) %{profile:-p}

 

*cc1_options:

%{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}} %1 %{!Q:-quiet} -dumpbase %B %{d*} %{m*} %{a*} %{c|S:%{o*:-auxbase-strip %*}%{!o*:-auxbase %b}}%{!c:%{!S:-auxbase %b}} %{g*} %{O*} %{W*&pedantic*} %{w} %{std*&ansi&trigraphs} %{v:-version} %{pg:-p} %{p} %{f*} %{undef} %{Qn:-fno-ident} %{--help:--help} %{--target-help:--target-help} %{!fsyntax-only:%{S:%W{o*}%{!o*:-o %b.s}}} %{fsyntax-only:-o %j} %{-param*} %(ssp_default) %{fmudflap|fmudflapth:-fno-builtin -fno-merge-constants} %{coverage:-fprofile-arcs -ftest-coverage}

 

*cc1plus:

 

 

*link_gcc_c_sequence:

%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}

 

*link_ssp:

%{fstack-protector:}

 

*ssp_default:

%{!fno-stack-protector:-fstack-protector}

 

*endfile:

%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s}    %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s

 

*link:

%{!static:--eh-frame-hdr} %{!m32:-m elf_x86_64} %{m32:-m elf_i386} --hash-style=both   %{shared:-shared}   %{!shared:     %{!static:       %{rdynamic:-export-dynamic}       %{m32:%{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2}}       %{!m32:%{!dynamic-linker:-dynamic-linker /lib64/ld-linux-x86-64.so.2}}}     %{static:-static}}

 

*lib:

%{pthread:-lpthread}    %{shared:-lc}    %{!shared:%{mieee-fp:-lieee} %{profile:-lc_p}%{!profile:-lc}}

 

*mfwrap:

 %{static: %{fmudflap|fmudflapth:  --wrap=malloc --wrap=free --wrap=calloc --wrap=realloc --wrap=mmap --wrap=munmap --wrap=alloca} %{fmudflapth: --wrap=pthread_create}} %{fmudflap|fmudflapth: --wrap=main}

 

*mflib:

%{fmudflap|fmudflapth: -export-dynamic}

 

*libgcc:

%{static|static-libgcc:-lgcc -lgcc_eh}%{!static:%{!static-libgcc:%{!shared-libgcc:-lgcc --as-needed -lgcc_s --no-as-needed}%{shared-libgcc:-lgcc_s%{!shared: -lgcc}}}}

 

*startfile:

%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}}    crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}

 

*switches_need_spaces:

 

 

*cross_compile:

0

 

*version:

4.1.3

 

*multilib:

. !m64 !m32;64:../lib m64 !m32;32:../lib32 !m64 m32;

 

*multilib_defaults:

m64

 

*multilib_extra:

 

 

*multilib_matches:

m64 m64;m32 m32;

 

*multilib_exclusions:

 

 

*multilib_options:

m64/m32

 

*linker:

collect2

 

*link_libgcc:

%D

 

*md_exec_prefix:

 

 

*md_startfile_prefix:

 

 

*md_startfile_prefix_1:

 

 

*startfile_prefix_spec:

 

 

*sysroot_spec:

--sysroot=%R

 

*sysroot_suffix_spec:

 

 

*sysroot_hdrs_suffix_spec:

 

 

*cc1_cpu:

%{!mtune*: %{m386:mtune=i386 %n`-m386' is deprecated. Use `-march=i386' or `-mtune=i386' instead.

} %{m486:-mtune=i486 %n`-m486' is deprecated. Use `-march=i486' or `-mtune=i486' instead.

} %{mpentium:-mtune=pentium %n`-mpentium' is deprecated. Use `-march=pentium' or `-mtune=pentium' instead.

} %{mpentiumpro:-mtune=pentiumpro %n`-mpentiumpro' is deprecated. Use `-march=pentiumpro' or `-mtune=pentiumpro' instead.

} %{mcpu=*:-mtune=%* %n`-mcpu=' is deprecated. Use `-mtune=' or '-march=' instead.

}} %<mcpu=* %{mintel-syntax:-masm=intel %n`-mintel-syntax' is deprecated. Use `-masm=intel' instead.

} %{mno-intel-syntax:-masm=att %n`-mno-intel-syntax' is deprecated. Use `-masm=att' instead.

}

 

*link_command:

%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:    %(linker) %l %{pie:-pie} %X %{o*} %{A} %{d} %{e*} %{m} %{N} %{n} %{r}    %{s} %{t} %{u*} %{x} %{z} %{Z} %{!A:%{!nostdlib:%{!nostartfiles:%S}}}    %{static:} %{L*} %(mfwrap) %(link_libgcc) %o %(mflib)    %{fprofile-arcs|fprofile-generate|coverage:-lgcov}    %{!nostdlib:%{!nodefaultlibs:%(link_ssp) %(link_gcc_c_sequence)}}    %{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} }}}}}}