X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fautoconf.cfg;h=668c83ea14051294f1e59f58bbee964984062028;hb=8ab69f51fccccbcae521bd7f7e3ae27146fd1217;hp=9a353a23d055461a9af616cceaaccc015bcf052b;hpb=2c9cf5b6e38800f6d79e5140f3b8565961374627;p=libucw.git

diff --git a/lib/autoconf.cfg b/lib/autoconf.cfg
index 9a353a23..668c83ea 100644
--- a/lib/autoconf.cfg
+++ b/lib/autoconf.cfg
@@ -35,11 +35,22 @@ $gccver >= 3000 or Fail "GCC older than 3.0 doesn't support C99 well enough.";
 
 ### CPU ###
 
-Test("CPU_ARCH", "Checking for CPU architecture", sub {
+Test("ARCH", "Checking for machine architecture", sub {
 	my $mach = `uname -m`;
 	chomp $mach;
 	Fail "Unable to determine machine type" if $? || $mach eq "";
 	if ($mach =~ /^i[0-9]86$/) {
+		return "i386";
+	} elsif ($mach =~ /^(x86[_-]|amd)64$/) {
+		return "amd64";
+	} else {
+		return "unknown";
+	}
+});
+
+Test("CPU_ARCH", "Checking for CPU architecture", sub {
+	my $mach = Get("ARCH");
+	if ($mach eq "i386") {
 		Set("CPU_I386");
 		UnSet("CPU_64BIT_POINTERS");
 		Set("CPU_LITTLE_ENDIAN");
@@ -62,7 +73,7 @@ Test("CPU_ARCH", "Checking for CPU architecture", sub {
 			my $model  = $pc{'model'} || 0;
 			if ($vendor eq "AuthenticAMD") {
 				if ($family >= 6) {
-					if ($model >= 31 && $gccver >= 3003) { $arch = "athlon64"; }
+					if ($model >= 31 && $gccver >= 3004) { $arch = "athlon64"; }
 					elsif ($model >= 6 && $gccver >= 3003) { $arch = "athlon-xp"; }
 					else { $arch = "athlon"; }
 				}
@@ -90,11 +101,20 @@ Test("CPU_ARCH", "Checking for CPU architecture", sub {
 			}
 		}
 		return $arch ? $arch : "i386";
+	} elsif ($mach eq "amd64") {
+		Set("CPU_AMD64");
+		Set("CPU_64BIT_POINTERS");
+		Set("CPU_LITTLE_ENDIAN");
+		UnSet("CPU_BIG_ENDIAN");
+		Set("CPU_ALLOW_UNALIGNED");
+		Set("CPU_STRUCT_ALIGN" => 8);
+		return "x86-64";
 	} else {
-		return "unknown";
+		return undef;
 	}
 });
-if (Get("CPU_ARCH") eq "unknown") { Warn "CPU type not recognized, using defaults, keep fingers crossed."; }
+
+if (!IsSet("CPU_ARCH")) { Warn "CPU type not recognized, using defaults, keep fingers crossed."; }
 
 ### Compiler and its Options ###
 
@@ -102,7 +122,7 @@ if (Get("CPU_ARCH") eq "unknown") { Warn "CPU type not recognized, using default
 Set("CLANG" => "-std=gnu99");
 
 # C optimizations
-Set("COPT" => '-O2 -fstrict-aliasing');
+Set("COPT" => '-O2');
 Append("COPT", '-march=$(CPU_ARCH)') if IsSet("CPU_ARCH");
 
 # C optimizations for highly exposed code
@@ -110,6 +130,7 @@ Set("COPT2" => '-O3');
 
 # Warnings
 Set("CWARNS" => '-Wall -W -Wno-parentheses -Wstrict-prototypes -Wmissing-prototypes -Winline');
+Set("CWARNS_OFF" => '');
 
 # Linker flags
 Set("LOPT" => "");
@@ -123,11 +144,16 @@ Set("LSHARED" => '-shared -Wl,-soname,lib/$(@F)');
 
 # Extra switches depending on GCC version:
 if ($gccver == 3000) {
+	Append("COPT" => "-fstrict-aliasing");
 } elsif ($gccver == 3003) {
 	Append("CWARNS" => "-Wundef -Wredundant-decls");
 	Append("COPT" => "-finline-limit=20000 --param max-inline-insns-auto=1000");
 } elsif ($gccver == 3004) {
 	Append("CWARNS" => "-Wundef -Wredundant-decls");
+	Append("COPT" => "-finline-limit=2000 --param large-function-insns=5000 --param inline-unit-growth=200 --param large-function-growth=400");
+} elsif ($gccver == 4000 || $gccver == 4001) {
+	Append("CWARNS" => "-Wundef -Wredundant-decls -Wno-pointer-sign -Wdisabled-optimization -Wno-missing-field-initializers");
+	Append("CWARNS_OFF" => "-Wno-pointer-sign");
 	Append("COPT" => "-finline-limit=5000 --param large-function-insns=5000 --param inline-unit-growth=200 --param large-function-growth=400");
 } else {
 	Warn "Don't know anything about this GCC version, using default switches.\n";
@@ -144,6 +170,9 @@ if (IsSet("CONFIG_DEBUG")) {
 	Append("LOPT" => "-s");
 }
 
+# Decide how will lib/partmap.c work
+Set("PARTMAP_IS_MMAP") if IsSet("CPU_64BIT_POINTERS");
+
 # If debugging memory allocations:
 #LIBS+=-lefence
 #CDEBUG+=-DDEBUG_DMALLOC