From 36ef1a93be59addbb1d2ecf57083f74a3d2f9fe4 Mon Sep 17 00:00:00 2001
From: Hisham Muhammad <hisham@gobolinux.org>
Date: Sun, 5 Dec 2010 15:43:56 +0000
Subject: [PATCH] make htop friendly to uclibc (thanks to Matt for the report)

---
 CRT.c        | 10 +++++++---
 CRT.h        |  2 ++
 configure.ac |  1 +
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/CRT.c b/CRT.c
index 14af4208..bf6afec2 100644
--- a/CRT.c
+++ b/CRT.c
@@ -11,7 +11,9 @@ in the source distribution for its full text.
 #include <signal.h>
 #include <stdlib.h>
 #include <stdbool.h>
+#ifdef HAVE_EXECINFO_H
 #include <execinfo.h>
+#endif
 
 #include "String.h"
 
@@ -125,12 +127,14 @@ static void CRT_handleSIGSEGV(int sgn) {
    CRT_done();
    #if __linux
    fprintf(stderr, "\n\nhtop " VERSION " aborting. Please report bug at http://htop.sf.net\n");
-   #else
-   fprintf(stderr, "\n\nhtop " VERSION " aborting. Unsupported platform.\n");
-   #endif
+   #ifdef HAVE_EXECINFO_H
    size_t size = backtrace(backtraceArray, sizeof(backtraceArray));
    fprintf(stderr, "Backtrace: \n");
    backtrace_symbols_fd(backtraceArray, size, 2);
+   #endif
+   #else
+   fprintf(stderr, "\n\nhtop " VERSION " aborting. Unsupported platform.\n");
+   #endif
    abort();
 }
 
diff --git a/CRT.h b/CRT.h
index dcc902f6..438d4ae2 100644
--- a/CRT.h
+++ b/CRT.h
@@ -14,7 +14,9 @@ in the source distribution for its full text.
 #include <signal.h>
 #include <stdlib.h>
 #include <stdbool.h>
+#ifdef HAVE_EXECINFO_H
 #include <execinfo.h>
+#endif
 
 #include "String.h"
 
diff --git a/configure.ac b/configure.ac
index ba95b19e..6eac18da 100644
--- a/configure.ac
+++ b/configure.ac
@@ -25,6 +25,7 @@ AC_HEADER_STDC
 AC_CHECK_HEADERS([stdlib.h string.h strings.h sys/param.h sys/time.h unistd.h curses.h],[:],[
   missing_headers="$missing_headers $ac_header"
 ])
+AC_CHECK_HEADERS([execinfo.h],[:],[:])
 
 # Checks for typedefs, structures, and compiler characteristics.
 AC_HEADER_STDBOOL