tor 0.2.3.14-alpha doesn't build with --enable-gcc-warnings on Windows
Here's the relevant portion from the build log:
mv -f .deps/address.Tpo .deps/address.Po
gcc -DHAVE_CONFIG_H -I. -I../.. -I../../src/common -I/c/Users/erinn/build-scri
pts.git/osx-bundles/build-alpha/lib -I/c/Users/erinn/build-scripts.git/osx-bundl
es/build-alpha/lib -I/c/Users/erinn/build-scripts.git/osx-bundles/build-alpha/li
b -O -g -I/c/Users/erinn/build-scripts.git/osx-bundles/build-alpha/include -Wal
l -fno-strict-aliasing -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototy
pes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wc
omment -Wformat=2 -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnes
ted-externs -Wbad-function-cast -Wswitch-enum -Werror -Winit-self -Wmissing-fiel
d-initializers -Wdeclaration-after-statement -Wold-style-definition -Waddress -W
missing-noreturn -Wstrict-overflow=1 -Wnormalized=id -Woverride-init -Wextra -Wa
rray-bounds -MT compat.o -MD -MP -MF .deps/compat.Tpo -c -o compat.o compat.c
cc1.exe: warnings being treated as errors
compat.c:1672:1: error: function declaration isn't a prototype
compat.c:1672:15: error: redundant redeclaration of '__p__environ'
c:\mingw\bin\../lib/gcc/mingw32/4.5.2/../../../../include/stdlib.h:149:51: note:
previous declaration of '__p__environ' was here
make[4]: *** [compat.o] Error 1