fixes

[libucw.git] / lib / autoconf.cfg

diff --git a/lib/autoconf.cfg b/lib/autoconf.cfg
index 0e8496dc85d883fa64a9fde491005a87fc6d74cf..668c83ea14051294f1e59f58bbee964984062028 100644 (file)
--- 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");
@@ -90,7 +101,7 @@ Test("CPU_ARCH", "Checking for CPU architecture", sub {
                        }
                }
                return $arch ? $arch : "i386";
-       } elsif ($mach =~ /^(x86[_-]|amd)64$/) {
+       } elsif ($mach eq "amd64") {
                Set("CPU_AMD64");
                Set("CPU_64BIT_POINTERS");
                Set("CPU_LITTLE_ENDIAN");
@@ -99,10 +110,11 @@ Test("CPU_ARCH", "Checking for CPU architecture", sub {
                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 ###
 
@@ -138,8 +150,8 @@ if ($gccver == 3000) {
        Append("COPT" => "-finline-limit=20000 --param max-inline-insns-auto=1000");
 } elsif ($gccver == 3004) {
        Append("CWARNS" => "-Wundef -Wredundant-decls");
-       Append("COPT" => "-finline-limit=5000 --param large-function-insns=5000 --param inline-unit-growth=200 --param large-function-growth=400");
-} elsif ($gccver == 4000) {
+       Append("COPT" => "-finline-limit=2000 --param large-function-insns=5000 --param inline-unit-growth=200 --param large-function-growth=400");
+} elsif ($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");
@@ -158,6 +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