其中mingw包含gcc 4.6.3名称 - i686-w64-mingw32.
在Windows上, Qt的.pro文件是一个hello world程序:
QT += core gui
TEMPLATE = app
TARGET = ef
SOURCES = ef.cpp
DEPENDPATH += .
INCLUDEPATH += .
INCLUDEPATH += c:/R-2.15.1/include
INCLUDEPATH += c:/R-2.15.1/library/Rcpp/include
INCLUDEPATH += c:/R-2.15.1/library/RInside/include
LIBS += -L c:/R-2.15.1/bin/i386 -lR
LIBS += -L c:/R-2.15.1/library/Rcpp/libs/i386 -lRcpp
LIBS += -L c:/R-2.15.1/library/RInside/libs/i386 -lRInside
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该计划编制如下:

注意最后有一个警告.
系统路径如下:

Qt的路径:

请指出我错过的观点.
更新:
现在我更新了qmake.conf如下:
#
# qmake configuration for win32-g++
#
# Written for MinGW
#
MAKEFILE_GENERATOR = …Run Code Online (Sandbox Code Playgroud)