# Automatic configuration of the UCW Library
-# (c) 2005 Martin Mares <mj@ucw.cz>
+# (c) 2005--2007 Martin Mares <mj@ucw.cz>
+# (c) 2006 Robert Spalek <robert@ucw.cz>
-### Compiler and its Options ###
+### OS ###
+
+Test("OS", "Checking on which OS we run", sub {
+ my $os = `uname`;
+ chomp $os;
+ Fail "Unable to determine OS type" if $? || $os eq "";
+ return $os;
+});
+
+if (Get("OS") eq "Linux") {
+ Set("CONFIG_LINUX");
+} elsif (Get("OS") eq "Darwin") {
+ Set("CONFIG_DARWIN");
+} else {
+ Fail "Don't know how to run on this operating system.";
+}
+
+### Compiler ###
# Default compiler
Test("CC", "Checking for C compiler", sub { return "gcc"; });
# GCC version
Test("GCCVER", "Checking for GCC version", sub {
my $gcc = Get("CC");
- my $ver = `$gcc --version | sed '2,\$d; s/^\\(.* \\)\\?\\([0-9]*\\.[0-9]*\\).*/\\2/'`;
+ my $ver = `$gcc --version | sed '2,\$d; s/^\\(.* \\)*\\([0-9]*\\.[0-9]*\\).*/\\2/'`;
chomp $ver;
Fail "Unable to determine GCC version" if $? || $ver eq "";
return $ver;
});
+my ($gccmaj, $gccmin) = split(/\./, Get("GCCVER"));
+my $gccver = 1000*$gccmaj + $gccmin;
+$gccver >= 3000 or Fail "GCC older than 3.0 doesn't support C99 well enough.";
+
+### CPU ###
-# C flags: tell the compiler we're speaking C99
-Set("CLANG" => "-std=gnu99");
+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$/) {
+ return "amd64";
+ } else {
+ return "unknown";
+ }
+});
+
+sub parse_cpuinfo_linux() {
+ open X, "/proc/cpuinfo" || undef;
+ my %pc = ();
+ while (<X>) {
+ chomp;
+ /^$/ && last;
+ /^([^\t]+)\t+:\s*(.*)$/ and $pc{$1}=$2;
+ }
+ close X;
+ return ($pc{'vendor_id'},
+ $pc{'cpu family'},
+ $pc{'model'});
+}
+
+sub parse_cpuinfo_darwin() {
+ @cpu = (`sysctl -n machdep.cpu.vendor`,
+ `sysctl -n machdep.cpu.family`,
+ `sysctl -n machdep.cpu.model`);
+ chomp @cpu;
+ return @cpu;
+}
+
+sub parse_cpuinfo() {
+ my @cpu;
+ if (IsSet("CONFIG_LINUX")) {
+ @cpu = parse_cpuinfo_linux();
+ } elsif (IsSet("CONFIG_DARWIN")) {
+ @cpu = parse_cpuinfo_darwin();
+ }
+ $cpu[0] = "" if !defined $cpu[0];
+ $cpu[1] = 0 if !defined $cpu[1];
+ $cpu[2] = 0 if !defined $cpu[2];
+ return @cpu;
+}
+
+Test("CPU_ARCH", "Checking for CPU architecture", sub {
+ my $mach = Get("ARCH");
+ my $arch = "";
+ if ($mach eq "i386") {
+ Set("CPU_I386");
+ UnSet("CPU_64BIT_POINTERS");
+ Set("CPU_LITTLE_ENDIAN");
+ UnSet("CPU_BIG_ENDIAN");
+ Set("CPU_ALLOW_UNALIGNED");
+ Set("CPU_STRUCT_ALIGN" => 4);
+ if (IsSet("CONFIG_EXACT_CPU")) {
+ my ($vendor, $family, $model) = parse_cpuinfo();
+ # Try to understand CPU vendor, family and model [inspired by MPlayer's configure script]
+ if ($vendor eq "AuthenticAMD") {
+ if ($family >= 6) {
+ if ($model >= 31 && $gccver >= 3004) { $arch = "athlon64"; }
+ elsif ($model >= 6 && $gccver >= 3003) { $arch = "athlon-xp"; }
+ else { $arch = "athlon"; }
+ }
+ } elsif ($vendor eq "GenuineIntel") {
+ if ($family >= 15 && $gccver >= 3003) {
+ if ($model >= 4) { $arch = "nocona"; }
+ elsif ($model >= 3) { $arch = "prescott"; }
+ else { $arch = "pentium4"; }
+ } elsif ($family == 6 && $gccver >= 3003) {
+ if ($model == 15) { $arch = "prescott"; }
+ elsif (($model == 9 || $model == 13) && $gccver >= 3004) { $arch = "pentium-m"; }
+ elsif ($model >= 7) { $arch = "pentium3"; }
+ elsif ($model >= 3) { $arch = "pentium2"; }
+ }
+ }
+
+ # No match on vendor, try the family
+ if ($arch eq "") {
+ if ($family >= 6) {
+ $arch = "i686";
+ } elsif ($family >= 3) {
+ $arch = "i${family}86";
+ }
+ }
+ Log (($arch ne "") ? "(using /proc/cpuinfo) " : "(don't understand /proc/cpuinfo) ");
+ return $arch;
+ } else {
+ return "default";
+ }
+ } elsif ($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);
+ if (IsSet("CONFIG_EXACT_CPU")) {
+ # In x86-64 world, the detection is somewhat easier so far...
+ my ($vendor, $family, $model) = parse_cpuinfo();
+ if ($vendor eq "AuthenticAMD") {
+ $arch = "athlon64";
+ } elsif ($vendor eq "GenuineIntel") {
+ $arch = "nocona";
+ }
+ Log (($arch ne "") ? "(using /proc/cpuinfo) " : "(don't understand /proc/cpuinfo) ");
+ return $arch;
+ } else {
+ return "default";
+ }
+ } else {
+ return "unknown";
+ }
+});
+
+if (Get("CPU_ARCH") eq "unknown") {
+ Warn "CPU architecture not recognized, using defaults, keep fingers crossed.\n";
+}
+
+### Compiler and its Options ###
+
+# C flags: tell the compiler we're speaking C99, and disable common symbols
+Set("CLANG" => "-std=gnu99 -fno-common");
# C optimizations
-Set("COPT" => '-O2 -fstrict-aliasing -march=$(CPU_ARCH)');
+Set("COPT" => '-O2');
+if (Get("CPU_ARCH") ne "unknown" && Get("CPU_ARCH") ne "default") {
+ Append("COPT", '-march=$(CPU_ARCH)');
+}
# C optimizations for highly exposed code
Set("COPT2" => '-O3');
# Warnings
Set("CWARNS" => '-Wall -W -Wno-parentheses -Wstrict-prototypes -Wmissing-prototypes -Winline');
+Set("CWARNS_OFF" => '');
# Linker flags
Set("LOPT" => "");
# Extra flags for compiling and linking shared libraries
Set("CSHARED" => '-fPIC');
-Set("LSHARED" => '-shared -Wl,-soname,lib/$(@F)');
+if (IsSet("CONFIG_DARWIN")) {
+ Set("LSHARED" => '-dynamiclib -install_name lib/$(@F) -undefined dynamic_lookup');
+} else {
+ Set("LSHARED" => '-shared -Wl,-soname,lib/$(@F)');
+}
# Extra switches depending on GCC version:
-if (Get("GCCVER") eq "3.0") {
-} elsif (Get("GCCVER") eq "3.3") {
+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 (Get("GCCVER") eq "3.4") {
+} 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 || $gccver == 4001) {
+ Append("CWARNS" => "-Wundef -Wredundant-decls -Wno-pointer-sign -Wdisabled-optimization -Wno-missing-field-initializers");
+ Append("CWARNS_OFF" => "-Wno-pointer-sign");
Append("COPT" => "-finline-limit=5000 --param large-function-insns=5000 --param inline-unit-growth=200 --param large-function-growth=400");
+} elsif ($gccver == 4002) {
+ 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 -fgnu89-inline");
} else {
- Log "WARNING: Don't know anything about this GCC version, using default switches.\n";
+ Warn "Don't know anything about this GCC version, using default switches.\n";
}
if (IsSet("CONFIG_DEBUG")) {
Append("LOPT" => "-s");
}
-# If debugging memory allocations:
-#LIBS+=-lefence
-#CDEBUG+=-DDEBUG_DMALLOC
-#LIBS+=-ldmalloc
+if (IsSet("CONFIG_DARWIN")) {
+ # gcc-4.0 on Darwin doesn't set this in the gnu99 mode
+ Append("CLANG" => "-fnested-functions");
+ # Directory hierarchy of the fink project
+ Append("LIBS" => "-L/sw/lib");
+ Append("COPT" => "-I/sw/include");
+ # Fill in some constants not found in the system header files
+ Set("SOL_TCP" => 6); # missing in /usr/include/netinet/tcp.h
+}
-### CPU Type and Features ###
+# Determine page size
+Test("CPU_PAGE_SIZE", "Determining page size", sub {
+ my $p;
+ if (IsSet("CONFIG_DARWIN")) {
+ $p = `sysctl -n hw.pagesize`;
+ defined $p or Fail "sysctl hw.pagesize failed";
+ } elsif (IsSet("CONFIG_LINUX")) {
+ $p = `getconf PAGE_SIZE`;
+ defined $p or Fail "getconf PAGE_SIZE failed";
+ }
+ chomp $p;
+ return $p;
+});
+
+if (IsSet("CONFIG_LARGE_FILES") && IsSet("CONFIG_LINUX")) {
+ # Use 64-bit versions of file functions
+ Set("CONFIG_LFS");
+}
-Set("CPU_ARCH" => 'i686') if !IsSet("CPU_ARCH");
-Set("CPU_I386");
-Set("CPU_LITTLE_ENDIAN");
-#CPU_BIG_ENDIAN=1
-Set("CPU_ALLOW_UNALIGNED");
-Set("CPU_STRUCT_ALIGN" => 4);
-Set("CPU_64BIT_POINTERS");
+# Decide how will lib/partmap.c work
+Set("PARTMAP_IS_MMAP") if IsSet("CPU_64BIT_POINTERS");
-### OS Type ###
+# Option for lib/mempool.c
+Set("POOL_IS_MMAP");
+
+# Guess optimal bit width of the radix-sorter
+if (Get("CPU_ARCH") eq "default" || Get("CPU_ARCH") =~ /^i[345]86$/) {
+ # This should be safe everywhere
+ Set("CONFIG_UCW_RADIX_SORTER_BITS" => 10);
+} else {
+ # Use this on modern CPU's
+ Set("CONFIG_UCW_RADIX_SORTER_BITS" => 12);
+}
-Set("CONFIG_LINUX");
+# If debugging memory allocations:
+#LIBS+=-lefence
+#CDEBUG+=-DDEBUG_DMALLOC
+#LIBS+=-ldmalloc
# Return success
1;
projects / libucw.git / blobdiff