From 066318e57cce0c52483fca9bf9834f30bfe056aa Mon Sep 17 00:00:00 2001
From: short <>
Date: Thu, 21 Aug 2003 15:19:28 +0000
Subject: [PATCH] Pre-build the kernel module in up/smp and
 i386/i586/i686/athlon architectures.

---
 kernel/Linux/prepmod.in | 51 +++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 47 insertions(+), 4 deletions(-)

diff --git a/kernel/Linux/prepmod.in b/kernel/Linux/prepmod.in
index 6e87842..d74c8af 100755
--- a/kernel/Linux/prepmod.in
+++ b/kernel/Linux/prepmod.in
@@ -38,7 +38,8 @@ my $tmp_dir="prepmod-tmp-dir";
 my $quiet;
 my $kernel;
 my $prebuild;
-my $kernel_gcc_args="";
+use vars qw($kernel_gcc_args);
+$kernel_gcc_args="";
 
 my $lufsmnt_bin;
 if ($0 eq "lufsmnt" || $0=~m#/lufsmnt$#) {
@@ -71,6 +72,16 @@ my($filename,$optional)=@_;
 	return $r;
 }
 
+sub _writefile
+{
+my($filename,@content)=@_;
+
+	local *F;
+	open F,($filename=~/^[|]/ ? "" : ">").$filename or confess "rewrite \"$filename\": $!";
+	print F @content;
+	close F or confess "close \"$filename\": $!";	# Do not &cluck as it may be pipe result
+}
+
 sub _system
 {
 my(@args)=@_;
@@ -134,7 +145,7 @@ else {
 	}
 
 local $_;
-for (<$modbindir/*-$uname_r/*.o>,<$modbindir/*-${uname_r_base}/*.o>,<$modbindir/*/*.o>) {
+for (<$modbindir/*-$uname_r*/*.o>,<$modbindir/*-${uname_r_base}*/*.o>,<$modbindir/*/*.o>) {
 	next if _system "rmmod lufs 2>/dev/null; insmod -o lufs -p $_ 2>/dev/null";
 	do { cluck "Failed to symlink $_"; next; } if _system "rm -rf $moduledir; mkdir -p $moduledir; ln -s $_ $moduledir/lufs.o";
 	_pass 1;
@@ -153,7 +164,9 @@ my($kernel,$uname_r,$destmodule)=@_;
 	do { $kdebug=$_ if !/^@/; } for ('@KDEBUG_FLAGS@');
 	my $cmdline="gcc"
 			.($quiet ? " 2>/dev/null" : "")
-			." -O2 -pipe -fomit-frame-pointer -fno-strict-aliasing -mpreferred-stack-boundary=2 -Wall"
+			." -Wall -Wstrict-prototypes -Wno-trigraphs"
+			." -O2 -fno-strict-aliasing -fno-common -fomit-frame-pointer -pipe -mpreferred-stack-boundary=2"
+			#." -march=i586"
 			." -D__KERNEL__ -DMODULE -DLINUX -DKBUILD_MODNAME=lufs"
 			." ".$kdebug
 			." ".$kernel_gcc_args
@@ -205,7 +218,37 @@ my($rpm)=@_;
 	do { $dir||=$_ if -d $_; } for ($tmp_dir."/usr/src/linux-$uname_r");
 	do { $dir||=$_ if -d $_; } for ($tmp_dir."/usr/src/linux-$uname_r_base");	# older RedHat kernels
 	$dir or confess "Kernel source tree not found in: $rpm";
-	prebuild_kernel $dir,$vendor,$uname_r;
+	_writefile "| patch $dir/include/linux/rhconfig.h",<<'RHCONFIG_H_NOBOOT_EOF';
+--- ./include/linux/rhconfig.h-orig	Thu Aug 21 14:50:16 2003
++++ ./include/linux/rhconfig.h	Thu Aug 21 14:59:22 2003
+@@ -10,7 +10,7 @@
+  * /boot/kernel.h - initscripts should create it for us
+  */
+ 
+-#include "/boot/kernel.h"
++/* lufs: #include "/boot/kernel.h" */
+ 
+ #if defined(__BOOT_KERNEL_SMP) && (__BOOT_KERNEL_SMP == 1)
+ #define __module__smp
+RHCONFIG_H_NOBOOT_EOF
+	for my $smp ("","smp") {
+		my @archs=qw(i386 i586 i686 athlon);
+		for my $arch (@archs) {
+			my %boot=(
+					"__BOOT_KERNEL_SMP"=>$smp,
+					map({ ("__MODULE_KERNEL_$_"=>($arch eq $_)); } @archs),
+					"__BOOT_KERNEL_BOOT"=>0,
+					"__BOOT_KERNEL_BOOTSMP"=>0,
+					"__BOOT_KERNEL_ENTERPRISE"=>0,
+					"__BOOT_KERNEL_BIGMEM"=>0,
+					"__BOOT_KERNEL_DEBUG"=>0,
+					);
+			local $kernel_gcc_args=join(" ",map({ " -D$_=".($boot{$_} ? 1 : 0); } keys(%boot)))
+					." -march=$arch"
+					." ".$kernel_gcc_args;
+			prebuild_kernel $dir,$vendor,$uname_r.$smp.".".$arch;
+			}
+		}
 	_system "rm -rf $tmp_dir" and confess "Deletion of: $tmp_dir";
 }
 
-- 
1.8.3.1