4.安装完成后查询版本号:
root@xxj-virtual-machine:/home/xxj# arm-none-eabi-gcc -v
Using built-in specs.
COLLECT_GCC=arm-none-eabi-gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/arm-none-eabi/4.9.3/lto-wrapper
Target: arm-none-eabi
Configured with: ../src/configure --build=x86_64-linux-gnu --prefix=/usr --includedir='/usr/lib/include' --mandir='/usr/lib/share/man' --infodir='/usr/lib/share/info' --sysconfdir=/etc --localstatedir=/var --disable-silent-rules --libdir='/usr/lib/lib/x86_64-linux-gnu' --libexecdir='/usr/lib/lib/x86_64-linux-gnu' --disable-maintainer-mode --disable-dependency-tracking --mandir=/usr/share/man --enable-languages=c,c++,lto --enable-multilib --disable-decimal-float --disable-libffi --disable-libgomp --disable-libmudflap --disable-libquadmath --disable-libssp --disable-libstdcxx-pch --disable-nls --disable-shared --disable-threads --disable-tls --build=x86_64-linux-gnu --target=arm-none-eabi --with-system-zlib --with-gnu-as --with-gnu-ld --with-pkgversion=15:4.9.3+svn231177-1 --without-included-gettext --prefix=/usr/lib --infodir=/usr/share/doc/gcc-arm-none-eabi/info --htmldir=/usr/share/doc/gcc-arm-none-eabi/html --pdfdir=/usr/share/doc/gcc-arm-none-eabi/pdf --bindir=/usr/bin --libexecdir=/usr/lib --libdir=/usr/lib --disable-libstdc++-v3 --host=x86_64-linux-gnu --with-headers=no --without-newlib --with-multilib-list=armv6-m,armv7-m,armv7e-m,armv7-r CFLAGS='-g -O2 -fstack-protector-strong' CPPFLAGS=-D_FORTIFY_SOURCE=2 CXXFLAGS='-g -O2 -fstack-protector-strong' FCFLAGS='-g -O2 -fstack-protector-strong' FFLAGS='-g -O2 -fstack-protector-strong' GCJFLAGS='-g -O2 -fstack-protector-strong' LDFLAGS='-Wl,-Bsymbolic-functions -Wl,-z,relro' OBJCFLAGS='-g -O2 -fstack-protector-strong' OBJCXXFLAGS='-g -O2 -fstack-protector-strong' INHIBIT_LIBC_CFLAGS=-DUSE_TM_CLONE_REGISTRY=0 AR_FOR_TARGET=arm-none-eabi-ar AS_FOR_TARGET=arm-none-eabi-as LD_FOR_TARGET=arm-none-eabi-ld NM_FOR_TARGET=arm-none-eabi-nm OBJDUMP_FOR_TARGET=arm-none-eabi-objdump RANLIB_FOR_TARGET=arm-none-eabi-ranlib READELF_FOR_TARGET=arm-none-eabi-readelf STRIP_FOR_TARGET=arm-none-eabi-strip
Thread model: single
gcc version 4.9.3 20150529 (prerelease) (15:4.9.3+svn231177-1)
root@xxj-virtual-machine:/home/xxj#
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