3 files changed, 23 insertions, 22 deletions

diff --git a/include/applets.src.h b/include/applets.src.h
index 2d55ffec7..87d9cbb7b 100644
--- a/include/applets.src.h
+++ b/include/applets.src.h
@@ -409,7 +409,6 @@ IF_WATCHDOG(APPLET(watchdog, BB_DIR_SBIN, BB_SUID_DROP))
 IF_WC(APPLET(wc, BB_DIR_USR_BIN, BB_SUID_DROP))
 IF_WGET(APPLET(wget, BB_DIR_USR_BIN, BB_SUID_DROP))
 IF_WHICH(APPLET(which, BB_DIR_USR_BIN, BB_SUID_DROP))
-IF_WHO(APPLET(who, BB_DIR_USR_BIN, BB_SUID_DROP))
 IF_WHOAMI(APPLET_NOFORK(whoami, whoami, BB_DIR_USR_BIN, BB_SUID_DROP, whoami))
 IF_UNXZ(APPLET_ODDNAME(xzcat, unxz, BB_DIR_USR_BIN, BB_SUID_DROP, xzcat))
 IF_XZ(APPLET_ODDNAME(xz, unxz, BB_DIR_USR_BIN, BB_SUID_DROP, xz))
diff --git a/include/libbb.h b/include/libbb.h
index 363fe53df..6e63e65f5 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -52,6 +52,12 @@
 #ifdef HAVE_SYS_STATFS_H
 # include <sys/statfs.h>
 #endif
+/* Don't do this here:
+ * #include <sys/sysinfo.h>
+ * Some linux/ includes pull in conflicting definition
+ * of struct sysinfo (only in some toolchanins), which breaks build.
+ * Include sys/sysinfo.h only in those files which need it.
+ */
 #if ENABLE_SELINUX
 # include <selinux/selinux.h>
 # include <selinux/context.h>
@@ -142,25 +148,6 @@ int klogctl(int type, char *b, int len);
 #if !defined __FreeBSD__
 char *dirname(char *path);
 #endif
-/* Include our own copy of struct sysinfo to avoid binary compatibility
- * problems with Linux 2.4, which changed things.  Grumble, grumble. */
-struct sysinfo {
-        long uptime;                    /* Seconds since boot */
-        unsigned long loads[3];         /* 1, 5, and 15 minute load averages */
-        unsigned long totalram;         /* Total usable main memory size */
-        unsigned long freeram;          /* Available memory size */
-        unsigned long sharedram;        /* Amount of shared memory */
-        unsigned long bufferram;        /* Memory used by buffers */
-        unsigned long totalswap;        /* Total swap space size */
-        unsigned long freeswap;         /* swap space still available */
-        unsigned short procs;           /* Number of current processes */
-        unsigned short pad;                     /* Padding needed for m68k */
-        unsigned long totalhigh;        /* Total high memory size */
-        unsigned long freehigh;         /* Available high memory size */
-        unsigned int mem_unit;          /* Memory unit size in bytes */
-        char _f[20 - 2 * sizeof(long) - sizeof(int)]; /* Padding: libc5 uses this.. */
-};
-int sysinfo(struct sysinfo* info);
 #ifndef PATH_MAX
 # define PATH_MAX 256
 #endif
diff --git a/include/platform.h b/include/platform.h
index 319ef4a9e..e22c42007 100644
--- a/include/platform.h
+++ b/include/platform.h
@@ -125,7 +125,7 @@
 
 /* Make all declarations hidden (-fvisibility flag only affects definitions) */
 /* (don't include system headers after this until corresponding pop!) */
-#if __GNUC_PREREQ(4,1) && !ENABLE_PLATFORM_MINGW32
+#if __GNUC_PREREQ(4,1) && !defined(__CYGWIN__) && !ENABLE_PLATFORM_MINGW32
 # define PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN _Pragma("GCC visibility push(hidden)")
 # define POP_SAVED_FUNCTION_VISIBILITY              _Pragma("GCC visibility pop")
 #else
@@ -283,6 +283,7 @@ typedef unsigned smalluint;
 #if defined __GLIBC__ \
  || defined __UCLIBC__ \
  || defined __dietlibc__ \
+ || defined __BIONIC__ \
  || defined _NEWLIB_VERSION
 # include <features.h>
 #endif
@@ -346,6 +347,10 @@ typedef unsigned smalluint;
 # endif
 #endif
 
+#if defined(__CYGWIN__)
+# define MAXSYMLINKS SYMLOOP_MAX
+#endif
+
 
 /* ---- Who misses what? ------------------------------------ */
 
@@ -423,6 +428,15 @@ typedef unsigned smalluint;
 # undef HAVE_NET_ETHERNET_H
 #endif
 
+#if defined(__CYGWIN__)
+# undef HAVE_CLEARENV
+# undef HAVE_FDPRINTF
+# undef HAVE_MEMRCHR
+# undef HAVE_PTSNAME_R
+# undef HAVE_STRVERSCMP
+# undef HAVE_UNLOCKED_LINE_OPS
+#endif
+
 /* These BSD-derived OSes share many similarities */
 #if (defined __digital__ && defined __unix__) \
  || defined __APPLE__ \
@@ -515,7 +529,8 @@ extern int vasprintf(char **string_ptr, const char *format, va_list p) FAST_FUNC
 #endif
 
 #ifndef HAVE_GETLINE
-#include <stdio.h> /* for FILE */
+# include <stdio.h> /* for FILE */
+# include <sys/types.h> /* size_t */
 extern ssize_t getline(char **lineptr, size_t *n, FILE *stream) FAST_FUNC;
 #endif