GCC 找不到-Wl 命令，求助

clirus 2015-07-21 10:44:46

在写makefile的时候，用到了下面两个链接选项，以下两个分别在不同的文件里面。
LDFLAGS += -Wl -Wall -lpthread -lc -ldl
LDFLAGS += -Wl -lpthread
在编译链接的时候出现了如下的错误：
gcc: error: unrecognized command line option ‘-Wl’
gcc: error: unrecognized command line option ‘-Wl’

通过gcc -v查看gcc版本如下：
root:~# gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.8/lto-wrapper
Target: x86_64-linux-gnu
gcc version 4.8.4 (Ubuntu 4.8.4-2ubuntu1~14.04)

求大神帮助！

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zhxianbin 2015-07-23

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应该是 -Wl, 后面一个逗号吧

zhxianbin 2015-07-21

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哪来的 Wl，什么意思？

zhxianbin 2015-07-21

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-fsyntax-only  -pedantic  -pedantic-errors -w  -Wextra  -Wall  -Waddress  -Waggregate-return
           -Warray-bounds -Wno-attributes -Wno-builtin-macro-redefined -Wc++-compat -Wc++0x-compat -Wcast-align
           -Wcast-qual -Wchar-subscripts -Wclobbered  -Wcomment -Wconversion  -Wcoverage-mismatch  -Wno-deprecated
           -Wno-deprecated-declarations -Wdisabled-optimization -Wno-div-by-zero -Wempty-body  -Wenum-compare
           -Wno-endif-labels -Werror  -Werror=* -Wfatal-errors  -Wfloat-equal  -Wformat  -Wformat=2
           -Wno-format-contains-nul -Wno-format-extra-args -Wformat-nonliteral -Wformat-security  -Wformat-y2k
           -Wframe-larger-than=len -Wignored-qualifiers -Wimplicit  -Wimplicit-function-declaration  -Wimplicit-int
           -Winit-self  -Winline -Wno-int-to-pointer-cast -Wno-invalid-offsetof -Winvalid-pch -Wlarger-than=len
           -Wunsafe-loop-optimizations -Wlogical-op -Wlong-long -Wmain  -Wmissing-braces
           -Wmissing-field-initializers -Wmissing-format-attribute  -Wmissing-include-dirs -Wmissing-noreturn
           -Wno-mudflap -Wno-multichar  -Wnonnull  -Wno-overflow -Woverlength-strings  -Wpacked
           -Wpacked-bitfield-compat  -Wpadded -Wparentheses  -Wpedantic-ms-format -Wno-pedantic-ms-format
           -Wpointer-arith  -Wno-pointer-to-int-cast -Wredundant-decls -Wreturn-type  -Wsequence-point  -Wshadow
           -Wsign-compare  -Wsign-conversion  -Wstack-protector -Wstrict-aliasing -Wstrict-aliasing=n
           -Wstrict-overflow -Wstrict-overflow=n -Wswitch  -Wswitch-default  -Wswitch-enum -Wsync-nand
           -Wsystem-headers  -Wtrigraphs  -Wtype-limits  -Wundef  -Wuninitialized -Wunknown-pragmas  -Wno-pragmas
           -Wunreachable-code -Wunused  -Wunused-function  -Wunused-label  -Wunused-parameter -Wunused-value
           -Wunused-variable -Wunused-but-set-parameter -Wunused-but-set-variable -Wvariadic-macros -Wvla
           -Wvolatile-register-var  -Wwrite-strings

clirus 2015-07-21