From 4df76d127b9cf830a15244da75976efb43752c6b Mon Sep 17 00:00:00 2001
From: Hisham Muhammad <hisham@gobolinux.org>
Date: Wed, 5 Mar 2008 09:46:47 +0000
Subject: Embed PLPA (Portable Linux Processor Affinity) in order to support
 conflicting affinity API of different Linux kernel versions.

---
 configure.ac | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 2e3a581c..f54310fc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -9,6 +9,11 @@ AC_CONFIG_HEADER([config.h])
 
 # Checks for programs.
 AC_PROG_CC
+AM_PROG_CC_C_O
+
+AM_DISABLE_SHARED
+AM_ENABLE_STATIC
+AC_PROG_LIBTOOL
 
 # Checks for libraries.
 AC_CHECK_LIB([ncurses], [refresh], [], [missing_libraries="$missing_libraries libncurses"])
@@ -43,11 +48,13 @@ 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"
 
 PROCDIR=/proc
 AC_ARG_WITH(proc, [  --with-proc=DIR      Location of a Linux-compatible proc filesystem (default=/proc).],
@@ -66,5 +73,11 @@ fi
 AC_CHECK_FILE($PROCDIR/stat,,AC_MSG_ERROR(Cannot find /proc/stat. Make sure you have a Linux-compatible /proc filesystem mounted. See the file README for help.))
 AC_CHECK_FILE($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.))
 
+PLPA_INCLUDED(plpa-1.1)
+PLPA_INIT(plpa_happy=yes, plpa_happy=no)
+if test "x$plpa_happy" = xno; then
+   AC_MSG_ERROR([Failed to initialize PLPA.])
+fi
+
 AC_CONFIG_FILES([Makefile])
 AC_OUTPUT
-- 
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