1 # UCW Library configuration system: parameters of the library
2 # (c) 2005--2008 Martin Mares <mj@ucw.cz>
3 # (c) 2006 Robert Spalek <robert@ucw.cz>
4 # (c) 2008 Michal Vaner <vorner@ucw.cz>
6 package UCW::Configure::LibUCW;
13 Test("CPU_PAGE_SIZE", "Determining page size", sub {
15 if (IsSet("CONFIG_DARWIN")) {
16 $p = `sysctl -n hw.pagesize`;
17 defined $p or Fail "sysctl hw.pagesize failed";
18 } elsif (IsSet("CONFIG_LINUX")) {
19 $p = `getconf PAGE_SIZE`;
20 defined $p or Fail "getconf PAGE_SIZE failed";
26 if (IsSet("CONFIG_LARGE_FILES") && IsSet("CONFIG_LINUX")) {
27 # Use 64-bit versions of file functions
31 # Decide how will ucw/partmap.c work
32 Set("CONFIG_UCW_PARTMAP_IS_MMAP") if IsSet("CPU_64BIT_POINTERS");
34 # Option for ucw/mempool.c
35 Set("CONFIG_UCW_POOL_IS_MMAP");
37 # Guess optimal bit width of the radix-sorter
38 if (Get("CPU_ARCH") eq "default" || Get("CPU_ARCH") =~ /^i[345]86$/) {
39 # This should be safe everywhere
40 Set("CONFIG_UCW_RADIX_SORTER_BITS" => 10);
42 # Use this on modern CPU's
43 Set("CONFIG_UCW_RADIX_SORTER_BITS" => 12);
48 UCW::Configure::C::ConfigHeader("ucw/autoconf.h", [
49 # Excluded symbols (danger of collision)
50 '^CONFIG_DEBUG$' => 0,
55 '^SHERLOCK_VERSION_' => 1,
58 } if Get("CONFIG_INSTALL_API");