当我在命令行上调用gcc -v时，我得到LDFLAGS=-s。我想删除此选项作为默认选项，以便可以正确添加调试信息。
gcc -v命令的输出如下。
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=f:/mingw/bin/../libexec/gcc/mingw32/4.8.1/lto-wrapper.exe
Target: mingw32
Configured with: ../gcc-4.8.1/configure --prefix=/mingw --host=mingw32 --build=mingw32 --without-pic
--enable-shared --enable-static --with-gnu-ld --enable-lto--enable-libssp --disable-multilib --enable-languages=c,c++,fortran,objc,obj-c++
,ada --disable-sjlj-exceptions --with-dwarf2 --disable-win32-registry --enable-libstdcxx-debug
--enable-version-specific-runtime-libs --with-gmp=/usr/src/pkg/gmp-5.1.2-1-mingw32-src/bld
--with-mpc=/usr/src/pkg/mpc-1.0.1-1-mingw32-src/bld --with-mpfr= --with-system-zlib --with-gnu-as --enable-decimal-float=yes
--enable-libgomp --enable-threads --with-libiconv-prefix=/mingw32 --with-libintl-prefix=/mingw --disable-bootstrap
LDFLAGS=-s CFLAGS=-D_USE_32BIT_TIME_T
Thread model: win32
gcc version 4.8.1 (GCC)
我曾尝试使用specs文件，但我无法获取应更改哪个参数以删除上述选项。
命令gcc -dumpspecs > specs生成的specs文件位于下方。
*asm:
*asm_debug:
%{!g0:%{gstabs*:--gstabs}%{!gstabs*:%{g*:--gdwarf2}}} %{fdebug-prefix-map=*:--debug-prefix-map %*}
*asm_final:
%{gsplit-dwarf:
objcopy --extract-dwo %{c:%{o*:%*}%{!o*:%b%O}}%{!c:%U%O} %{c:%{o*:%:replace-extension(%{o*:%*} .dwo)}%{!o*:%b.dwo}}%{!c:%b.dwo}
objcopy --strip-dwo %{c:%{o*:%*}%{!o*:%b%O}}%{!c:%U%O} }
*asm_options:
%{-target-help:%:print-asm-header()} %{v} %{w:-W} %{I*} %a %Y %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}
*invoke_as:
%{!fwpa: %{fcompare-debug=*|fdump-final-insns=*:%:compare-debug-dump-opt()} %{!S:-o %|.s |
as %(asm_options) %m.s %A } }
*cpp:
%{posix:-D_POSIX_SOURCE} %{mthreads:-D_MT} %{pthread:-D_REENTRANT} %{!no-pthread: }
*cpp_options:
%(cpp_unique_options) %1 %{m*} %{std*&ansi&trigraphs} %{W*&pedantic*} %{w} %{f*} %{g*:%{!g0:%{g*} %{!fno-working-directory:-fworking-directory}}} %{O*} %{undef} %{save-temps*:-fpch-preprocess}
*cpp_debug_options:
%{d*}
*cpp_unique_options:
%{!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:%{!MT:%{!MQ:%{MD|MMD:%{o*:-MQ %*}}}}}}} %{remap} %{g3|ggdb3|gstabs3|gcoff3|gxcoff3|gvms3:-dD} %{!iplugindir*:%{fplugin*:%:find-plugindir()}} %{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|traditional-cpp:-traditional-cpp}
*cc1:
%(cc1_cpu)
*cc1_options:
%{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}} %{!iplugindir*:%{fplugin*:%:find-plugindir()}} %1 %{!Q:-quiet} %{!dumpbase:-dumpbase %B} %{d*} %{m*} %{aux-info*} %{fcompare-debug-second:%:compare-debug-auxbase-opt(%b)} %{!fcompare-debug-second:%{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} %{Qy:} %{-help:--help} %{-target-help:--target-help} %{-version:--version} %{-help=*:--help=%*} %{!fsyntax-only:%{S:%W{o*}%{!o*:-o %b.s}}} %{fsyntax-only:-o %j} %{-param*} %{fmudflap|fmudflapth:-fno-builtin -fno-merge-constants} %{coverage:-fprofile-arcs -ftest-coverage}
*cc1plus:
*link_gcc_c_sequence:
%G %L %G
*link_ssp:
%{fstack-protector|fstack-protector-all:-lssp_nonshared -lssp}
*endfile:
%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} crtend.o%s
*link:
%{mwindows:--subsystem windows} %{mconsole:--subsystem console} %{shared: %{mdll: %eshared and mdll are not compatible}} %{shared: --shared} %{mdll:--dll} %{static:-Bstatic} %{!static:-Bdynamic} %{shared|mdll: -e _DllMainCRTStartup@12 --enable-auto-image-base} %(shared_libgcc_undefs)
*lib:
%{pg:-lgmon} %{pthread:-lpthread} %{!no-pthread: } %{mwindows:-lgdi32 -lcomdlg32} -ladvapi32 -lshell32 -luser32 -lkernel32
*mfwrap:
%{static: %{fmudflap|fmudflapth: --wrap=malloc --wrap=free --wrap=calloc --wrap=realloc --wrap=mmap --wrap=mmap64 --wrap=munmap --wrap=alloca} %{fmudflapth: --wrap=pthread_create}} %{fmudflap|fmudflapth: --wrap=main}
*mflib:
%{fmudflap|fmudflapth: -export-dynamic}
*link_gomp:
*libgcc:
%{mthreads:-lmingwthrd} -lmingw32 %{static|static-libgcc:-lgcc -lgcc_eh} %{!static: %{!static-libgcc: %{!shared: %{!shared-libgcc:-lgcc -lgcc_eh} %{shared-libgcc:-lgcc_s -lgcc} } %{shared:-lgcc_s -lgcc} } } -lmoldname -lmingwex -lmsvcrt
*startfile:
%{shared|mdll:dllcrt2%O%s} %{!shared:%{!mdll:crt2%O%s}} %{pg:gcrt2%O%s} crtbegin.o%s
*cross_compile:
0
*version:
4.8.1
*multilib:
. ;
*multilib_defaults:
*multilib_extra:
*multilib_matches:
*multilib_exclusions:
*multilib_options:
*multilib_reuse:
*linker:
collect2
*linker_plugin_file:
*lto_wrapper:
*lto_gcc:
*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:
*self_spec:
*cc1_cpu:
%{march=native:%>march=native %:local_cpu_detect(arch) %{!mtune=*:%>mtune=native %:local_cpu_detect(tune)}} %{mtune=native:%>mtune=native %:local_cpu_detect(tune)}
*shared_libgcc_undefs:
%{shared-libgcc: -u ___register_frame_info -u ___deregister_frame_info}
*link_command:
%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S: %(linker) %{!fno-use-linker-plugin:%{flto|flto=*|fuse-linker-plugin: -plugin %(linker_plugin_file) -plugin-opt=%(lto_wrapper) -plugin-opt=-fresolution=%u.res %{!nostdlib:%{!nodefaultlibs:%:pass-through-libs(%(link_gcc_c_sequence))}} }}%{flto|flto=*:%<fcompare-debug*} %{flto} %{flto=*} %l %{pie:-pie} %{fuse-ld=*:-fuse-ld=%*} %X %{o*} %{e*} %{N} %{n} %{r} %{s} %{t} %{u*} %{z} %{Z} %{!nostdlib:%{!nostartfiles:%S}} %{static:} %{L*} %(mfwrap) %(link_libgcc) %{!nostdlib:%{!nodefaultlibs:%{fsanitize=address:} %{fsanitize=thread:}}} %o %{fopenmp|ftree-parallelize-loops=*:%:include(libgomp.spec)%(link_gomp)} %{fgnu-tm:%:include(libitm.spec)%(link_itm)} %(mflib) %{fsplit-stack: --wrap=pthread_create} %{fprofile-arcs|fprofile-generate*|coverage:-lgcov} %{!nostdlib:%{!nodefaultlibs:%{fsanitize=address:%{static-libasan:-Bstatic} -lasan %{static-libasan:-Bdynamic} %{static:%ecannot specify -static with -fsanitize=address} %{fsanitize=thread:%e-fsanitize=address is incompatible with -fsanitize=thread}} %{fsanitize=thread:%{static-libtsan:-Bstatic} -ltsan %{static-libtsan:-Bdynamic} %{!pie:%{!shared:%e-fsanitize=thread linking must be done with -pie or -shared}}}}} %{!nostdlib:%{!nodefaultlibs:%(link_ssp) %(link_gcc_c_sequence)}} %{!nostdlib:%{!nostartfiles:%E}} %{T*} }}}}}}
答案 0 :(得分：3)
此LDFLAGS=-s仅在编译GCC 本身时生效。 使用 GCC编译程序时，不传递给链接器。
我曾尝试使用specs文件，但我无法获取应更改哪个参数以删除上述选项。
您的specs不包含-s。没有什么可以删除（你可能会咆哮错误的树）。