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Why Cygwin tries to pull in winsock2.h when compiling a Linux application?
- From: Patrick L <patrick_lfa at yahoo dot com>
- To: "cygwin at cygwin dot com" <cygwin at cygwin dot com>
- Date: Sat, 30 Jun 2012 00:41:18 -0700 (PDT)
- Subject: Why Cygwin tries to pull in winsock2.h when compiling a Linux application?
- Reply-to: Patrick L <patrick_lfa at yahoo dot com>
Hi, I am using Cygwin 1.7.11 i686 on Windows 7 PC. I am trying to compile a Linux C++ application on Cygwin.
When I use the ./configure command, Cygwin shows the following error messages:
checking winsock2.h usability... no
checking winsock2.h presence... yes
configure: WARNING: winsock2.h: present but cannot be compiled
configure: WARNING: winsock2.h: ? ? check for missing prerequisite headers?
configure: WARNING: winsock2.h: see the Autoconf documentation
configure: WARNING: winsock2.h: ? ? section "Present But Cannot Be Compiled"
configure: WARNING: winsock2.h: proceeding with the preprocessor's result
configure: WARNING: winsock2.h: in the future, the compiler will take precedence
configure: WARNING: ? ? ## ------------------------------------------ ##
configure: WARNING: ? ? ## Report this to xxx@xxx.xxx ##
configure: WARNING: ? ? ## ------------------------------------------ ##
checking for winsock2.h... yes
checking ws2tcpip.h usability... no
checking ws2tcpip.h presence... yes
configure: WARNING: ws2tcpip.h: present but cannot be compiled
configure: WARNING: ws2tcpip.h: ? ? check for missing prerequisite headers?
configure: WARNING: ws2tcpip.h: see the Autoconf documentation
configure: WARNING: ws2tcpip.h: ? ? section "Present But Cannot Be Compiled"
configure: WARNING: ws2tcpip.h: proceeding with the preprocessor's result
configure: WARNING: ws2tcpip.h: in the future, the compiler will take precedence
configure: WARNING: ? ? ## ------------------------------------------ ##
configure: WARNING: ? ? ## Report this to xxx@xxx.xxx ##
configure: WARNING: ? ? ## ------------------------------------------ ##
checking for ws2tcpip.h... yes
winsock2.h and ws2tcpip.h are Windows header files for Windows network/socket programming. Why Cygwin tries to pull in Windows header files when I am compiling a Linux C++ application? How can I fix this issue?
Thanks.
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