remove unlink configuration check and Windows shim

Nothing in Graphviz uses unlink.

diff --git a/configure.ac b/configure.ac
index ea4cb1fd2ed7f2de950c91a575f9db41250ebd49..68634d4293b150be69133dc8d02bbd7b019ac170 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -468,7 +468,7 @@ LIBS=$save_LIBS
 # Checks for library functions
 AC_CHECK_FUNCS([lrand48 drand48 srand48 setmode setenv getenv \
        cbrt getpagesize \
-  ftruncate lseek64 stat64 unlink select])
+  ftruncate lseek64 stat64 select])
 
 AC_REPLACE_FUNCS([strcasestr])
 

diff --git a/windows/include/unistd.h b/windows/include/unistd.h
index cd9be941d1ed605c580387cd6f31c3843da77289..cc8e95598061ed5ce97965bf0d9e7408a01a0980 100644 (file)
--- a/windows/include/unistd.h
+++ b/windows/include/unistd.h
@@ -24,7 +24,6 @@
 #define dup2 _dup2
 #define execve _execve
 #define ftruncate _chsize
-#define unlink _unlink
 #define fileno _fileno
 #define getcwd _getcwd
 #define chdir _chdir