构建gcc/libstdc ++时使用了哪些配置选项？

Question

在阅读了DLL和EXE之间传递空对象的问题之后std::string,我担心用于构建我的gcc/libstdc ++的configure选项.更具体我想知道是否--enable-fully-dynamic-string在期间使用./configure.

我在Windows XP上使用MinGW 4.4.0.

1. 有人知道用于构建此版本的配置吗？

2. 是否有一般方法可以为任何GNU gcc安装找到此信息？gcc手册没有给我这个主题的暗示.

感谢您的输入!

Answer 1

gcc -v 打印出配置选项以及其他内容:

$ gcc -v
Using built-in specs.
Target: i686-pc-cygwin
Configured with: /gnu/gcc/releases/packaging/4.3.4-3/gcc4-4.3.4-3/src/gcc-4.3.4/
configure --srcdir=/gnu/gcc/releases/packaging/4.3.4-3/gcc4-4.3.4-3/src/gcc-4.3.
4 --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin --libex
ecdir=/usr/lib --datadir=/usr/share --localstatedir=/var --sysconfdir=/etc --inf
odir=/usr/share/info --mandir=/usr/share/man --datadir=/usr/share --infodir=/usr
/share/info --mandir=/usr/share/man -v --with-gmp=/usr --with-mpfr=/usr --enable
-bootstrap --enable-version-specific-runtime-libs --with-slibdir=/usr/bin --libe
xecdir=/usr/lib --enable-static --enable-shared --enable-shared-libgcc --disable
-__cxa_atexit --with-gnu-ld --with-gnu-as --with-dwarf2 --disable-sjlj-exception
s --enable-languages=ada,c,c++,fortran,java,objc,obj-c++ --disable-symvers --ena
ble-libjava --program-suffix=-4 --enable-libgomp --enable-libssp --enable-libada
 --enable-threads=posix --with-arch=i686 --with-tune=generic --enable-libgcj-sub
libs CC=gcc-4 CXX=g++-4 CC_FOR_TARGET=gcc-4 CXX_FOR_TARGET=g++-4 GNATMAKE_FOR_TA
RGET=gnatmake GNATBIND_FOR_TARGET=gnatbind AS=/opt/gcc-tools/bin/as.exe AS_FOR_T
ARGET=/opt/gcc-tools/bin/as.exe LD=/opt/gcc-tools/bin/ld.exe LD_FOR_TARGET=/opt/
gcc-tools/bin/ld.exe --with-ecj-jar=/usr/share/java/ecj.jar
Thread model: posix
gcc version 4.3.4 20090804 (release) 1 (GCC)