Update PCRE instructions.

build-pcre.txt

@@ -24,34 +24,45 @@ Windows
 
 Visual Studio
 
-To build pcre I downloaded the sourcecode from www.pcre.org. I downloaded cmake 2.8.
-Then I built the lib with:
-    cmake .
+To build PCRE, download the source code from www.pcre.org and
+CMake (http://www.cmake.org/cmake/resources/software.html).
+Then I assume you use MSVC 2010 otherwise adapt the commands for your version.
+
+VS Solution file
+  cmake . -G "Visual Studio 10"
+  Open PCRE.sln with VS IDE or via cmd:
+    call "%VS100COMNTOOLS%..\..\VC\vcvarsall.bat" x86
+    MSBuild PCRE.sln /target:Build /property:Configuration="Release"
+
+  For 64-bit run: cmake . -G "Visual Studio 10 Win64"
+
+or using NMake
+  call "%VS100COMNTOOLS%..\..\VC\vcvarsall.bat" x86
+  cmake . -G "NMake Makefiles"
   nmake
 
-The resulting files can be downloaded here (please try if it works):
-    http://cppcheck.sourceforge.net/pcre-8.10-vs.zip
-
-
-MINGW (Qt 4.7 SDK)
-
-I downloaded pcre-8.0-lib.zip from here: http://software-download.name/pcre-library-windows/
+or using MSYS
+  cmake . -G "MSYS Makefiles"
+  make
 
 
 Linux
 
 The normal Makefile should work
 
-Install pcre on ubuntu might be needed:
-sudo apt-get install libpcre3 libpcre3-dev
+Install PCRE on Ubuntu might be needed:
+  sudo apt-get install libpcre3 libpcre3-dev
 
 
 Mac OSX
 
-Install pcre:
+Install PCRE:
 
   sudo port install pcre
 
 Ensure /path/to/pcre.h is in CXXFLAGS, e.g:
 
   export CXXFLAGS=${CXXFLAGS}:/opt/local/include
+
+Or for MSVC copy pcre.lib and pcre.h in /externals directory.
+