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authorEelco Dolstra <e.dolstra@tudelft.nl>2010-11-16 12:49:47 +0000
committerEelco Dolstra <e.dolstra@tudelft.nl>2010-11-16 12:49:47 +0000
commitfb9368b5a0b2457b28f19d4902bc0790123338a2 (patch)
tree8e0d68ccc2951c44cfd442b3dad261e190127013 /configure.ac
parent64fd29855a8ae49cacdaff424679821b4fd3bf57 (diff)
parent4aced7f8d0d5d2c1057b0f46a70a37a577f81fa5 (diff)
* Sync with the trunk.
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac19
1 files changed, 19 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 81c008a84..c2599a75f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -132,11 +132,18 @@ AC_LANG_POP(C++)
AC_CHECK_HEADER([err.h], [], [bsddiff_compat_include="-Icompat-include"])
AC_SUBST([bsddiff_compat_include])
+
# Check whether we have the personality() syscall, which allows us to
# do i686-linux builds on x86_64-linux machines.
AC_CHECK_HEADERS([sys/personality.h])
+# Check for tr1/unordered_set.
+AC_LANG_PUSH(C++)
+AC_CHECK_HEADERS([tr1/unordered_set], [], [], [])
+AC_LANG_POP(C++)
+
+
AC_DEFUN([NEED_PROG],
[
AC_PATH_PROG($1, $2)
@@ -255,6 +262,18 @@ AC_SUBST(sqlite_lib)
AC_SUBST(sqlite_include)
AC_SUBST(sqlite_bin)
+# Whether to use the Boehm garbage collector.
+AC_ARG_ENABLE(gc, AC_HELP_STRING([--enable-gc],
+ [enable garbage collection in the Nix expression evaluator (requires Boehm GC)]),
+ gc=$enableval, gc=)
+if test -n "$gc"; then
+ PKG_CHECK_MODULES([BDW_GC], [bdw-gc])
+ boehmgc_lib="-L$boehmgc/lib -lgc"
+ CXXFLAGS="$BDW_GC_CFLAGS $CXXFLAGS"
+ AC_DEFINE(HAVE_BOEHMGC, 1, [Whether to use the Boehm garbage collector.])
+fi
+AC_SUBST(boehmgc_lib)
+
AC_ARG_ENABLE(init-state, AC_HELP_STRING([--disable-init-state],
[do not initialise DB etc. in `make install']),