Index: htop-1.0.3/Makefile.am
===================================================================
--- htop-1.0.3.orig/Makefile.am
+++ htop-1.0.3/Makefile.am
@@ -10,8 +10,8 @@ applications_DATA = htop.desktop
 pixmapdir = $(datadir)/pixmaps
 pixmap_DATA = htop.png
 
-htop_CFLAGS = -pedantic -Wall -Wextra -std=c99 -rdynamic -D_XOPEN_SOURCE_EXTENDED -DSYSCONFDIR=\"$(sysconfdir)\"
-AM_CPPFLAGS = -DNDEBUG
+htop_CFLAGS = -Wall -Wextra -DSYSCONFDIR=\"$(sysconfdir)\"
+AM_CPPFLAGS = -include config.h -DNDEBUG
 
 myhtopsources = AvailableMetersPanel.c CategoriesPanel.c CheckItem.c \
 ClockMeter.c ColorsPanel.c ColumnsPanel.c CPUMeter.c CRT.c \
Index: htop-1.0.3/configure.ac
===================================================================
--- htop-1.0.3.orig/configure.ac
+++ htop-1.0.3/configure.ac
@@ -1,11 +1,12 @@
 #                                               -*- Autoconf -*-
 # Process this file with autoconf to produce a configure script.
 
-AC_PREREQ(2.65)
+AC_PREREQ([2.65])
 AC_INIT([htop],[1.0.3],[hisham@gobolinux.org])
 
 # The following two lines are required by hwloc scripts
 AC_USE_SYSTEM_EXTENSIONS
+AC_SYS_LARGEFILE
 AC_CANONICAL_TARGET
 
 AM_INIT_AUTOMAKE([1.11])
@@ -14,15 +15,14 @@ AC_CONFIG_HEADER([config.h])
 AC_CONFIG_MACRO_DIR([m4])
 
 # Checks for programs.
-AC_PROG_CC
+AC_PROG_CC_STDC
 AM_PROG_CC_C_O
 
-AC_DISABLE_SHARED
-AC_ENABLE_STATIC
-AC_PROG_LIBTOOL
+#AC_DISABLE_SHARED
+#AC_ENABLE_STATIC
+#AC_PROG_LIBTOOL
 
-# Checks for libraries.
-AC_CHECK_LIB([m], [ceil], [], [missing_libraries="$missing_libraries libm"])
+AC_SEARCH_LIBS([ceil], [m])
 
 # Checks for header files.
 AC_HEADER_DIRENT
@@ -30,7 +30,7 @@ AC_HEADER_STDC
 AC_CHECK_HEADERS([stdlib.h string.h strings.h sys/param.h sys/time.h unistd.h],[:],[
   missing_headers="$missing_headers $ac_header"
 ])
-AC_CHECK_HEADERS([execinfo.h],[:],[:])
+AC_CHECK_HEADERS_ONCE([execinfo.h])
 
 # Checks for typedefs, structures, and compiler characteristics.
 AC_HEADER_STDBOOL
@@ -40,17 +40,8 @@ AC_TYPE_UID_T
 
 # Checks for library functions.
 AC_FUNC_CLOSEDIR_VOID
-AC_TYPE_SIGNAL
 AC_FUNC_STAT
-AC_CHECK_FUNCS([memmove strncasecmp strstr strdup])
-
-save_cflags="${CFLAGS}"
-CFLAGS="${CFLAGS} -std=c99"
-AC_MSG_CHECKING([whether gcc -std=c99 option works])
-AC_TRY_COMPILE(AC_INCLUDES_DEFAULT, [char *a; a = strdup("foo"); int i = 0; i++; // C99],
-   AC_MSG_RESULT([yes]),
-   AC_MSG_ERROR([htop is written in C99. A newer version of gcc is required.]))
-CFLAGS="$save_cflags"
+AC_CHECK_FUNCS_ONCE([memmove strncasecmp strstr strdup])
 
 PROCDIR=/proc
 AC_ARG_WITH(proc, [  --with-proc=DIR      Location of a Linux-compatible proc filesystem (default=/proc).],
@@ -61,33 +52,33 @@ AC_ARG_WITH(proc, [  --with-proc=DIR
    fi,
    AC_DEFINE(PROCDIR, "/proc", [Path of proc filesystem]))
 
-AC_ARG_ENABLE(openvz, [AC_HELP_STRING([--enable-openvz], [enable OpenVZ support])], ,enable_openvz="no")
+AC_ARG_ENABLE(openvz, [AS_HELP_STRING([--enable-openvz],[enable OpenVZ support])], ,enable_openvz="no")
 if test "x$enable_openvz" = xyes; then
    AC_DEFINE(HAVE_OPENVZ, 1, [Define if openvz support enabled.])
 fi
 
-AC_ARG_ENABLE(cgroup, [AC_HELP_STRING([--enable-cgroup], [enable cgroups support])], ,enable_cgroup="no")
+AC_ARG_ENABLE(cgroup, [AS_HELP_STRING([--enable-cgroup],[enable cgroups support])], ,enable_cgroup="no")
 if test "x$enable_cgroup" = xyes; then
    AC_DEFINE(HAVE_CGROUP, 1, [Define if cgroup support enabled.])
 fi
 
-AC_ARG_ENABLE(vserver, [AC_HELP_STRING([--enable-vserver], [enable VServer support])], ,enable_vserver="no")
+AC_ARG_ENABLE(vserver, [AS_HELP_STRING([--enable-vserver],[enable VServer support])], ,enable_vserver="no")
 if test "x$enable_vserver" = xyes; then
     AC_DEFINE(HAVE_VSERVER, 1, [Define if vserver support enabled.])
 fi
 
-AC_ARG_ENABLE(ancient_vserver, [AC_HELP_STRING([--enable-ancient-vserver], [enable ancient VServer support (implies --enable-vserver)])], ,enable_ancient_vserver="no")
+AC_ARG_ENABLE(ancient_vserver, [AS_HELP_STRING([--enable-ancient-vserver],[enable ancient VServer support (implies --enable-vserver)])], ,enable_ancient_vserver="no")
 if test "x$enable_ancient_vserver" = xyes; then
     AC_DEFINE(HAVE_VSERVER, 1, [Define if vserver support enabled.])
     AC_DEFINE(HAVE_ANCIENT_VSERVER, 1, [Define if ancient vserver support enabled.])
 fi
 
-AC_ARG_ENABLE(taskstats, [AC_HELP_STRING([--enable-taskstats], [enable per-task IO Stats (taskstats kernel sup required)])], ,enable_taskstats="yes")
+AC_ARG_ENABLE(taskstats, [AS_HELP_STRING([--enable-taskstats],[enable per-task IO Stats (taskstats kernel sup required)])], ,enable_taskstats="yes")
 if test "x$enable_taskstats" = xyes; then
     AC_DEFINE(HAVE_TASKSTATS, 1, [Define if taskstats support enabled.])
 fi
 
-AC_ARG_ENABLE(unicode, [AC_HELP_STRING([--enable-unicode], [enable Unicode support])], ,enable_unicode="yes")
+AC_ARG_ENABLE(unicode, [AS_HELP_STRING([--enable-unicode],[enable Unicode support])], ,enable_unicode="yes")
 if test "x$enable_unicode" = xyes; then
    AC_CHECK_LIB([ncursesw], [refresh], [], [
       missing_libraries="$missing_libraries libncursesw"
@@ -117,7 +108,7 @@ AC_CHECK_FILE($PROCDIR/stat,,AC_MSG_ERRO
 AC_CHECK_FILE($PROCDIR/meminfo,,AC_MSG_ERROR(Cannot find /proc/meminfo. Make sure you have a Linux-compatible /proc filesystem mounted. See the file README for help.))
 fi
 
-AC_ARG_ENABLE(native_affinity, [AC_HELP_STRING([--enable-native-affinity], [enable native sched_setaffinity and sched_getaffinity for affinity support, disables hwloc])], ,enable_native_affinity="yes")
+AC_ARG_ENABLE(native_affinity, [AS_HELP_STRING([--enable-native-affinity],[enable native sched_setaffinity and sched_getaffinity for affinity support, disables hwloc])], ,enable_native_affinity="yes")
 if test "x$enable_native_affinity" = xyes -a "x$cross_compiling" = xno; then
    AC_MSG_CHECKING([for usable sched_setaffinity])
    AC_RUN_IFELSE([
@@ -138,14 +129,14 @@ if test "x$enable_native_affinity" = xye
    AC_DEFINE(HAVE_NATIVE_AFFINITY, 1, [Define if native sched_setaffinity and sched_getaffinity are to be used.])
 fi
 
-AC_ARG_ENABLE(hwloc, [AC_HELP_STRING([--enable-hwloc], [enable hwloc support for CPU affinity])],, enable_hwloc="no")
+AC_ARG_ENABLE(hwloc, [AS_HELP_STRING([--enable-hwloc],[enable hwloc support for CPU affinity])],, enable_hwloc="no")
 if test "x$enable_hwloc" = xyes
 then
    AC_CHECK_LIB([hwloc], [hwloc_linux_get_tid_cpubind], [], [missing_libraries="$missing_libraries libhwloc"])
    AC_CHECK_HEADERS([hwloc.h],[:], [missing_headers="$missing_headers $ac_header"])
 fi
 
-AC_ARG_ENABLE(oom, [AC_HELP_STRING([--enable-oom], [enable OOM score reporting])], ,enable_oom="no")
+AC_ARG_ENABLE(oom, [AS_HELP_STRING([--enable-oom],[enable OOM score reporting])], ,enable_oom="no")
 if test "x$enable_oom" = xyes; then
     AC_DEFINE(HAVE_OOM, 1, [Define if OOM score support enabled.])
 fi