[project @ 2005-11-03 11:00:40 by simonmar]

[ghc-hetmet.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index a71049a..9f99c20 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1149,7 +1149,7 @@ dnl ################################################################
 dnl Check for libraries
 dnl ################################################################
 
-dnl ** check for libdl & RTLD_NEXT
+dnl ** check whether we need -ldl to get dlopen()
 
 AC_CHECK_LIB(dl, dlopen, 
     [HaveLibDL=YES
@@ -1158,78 +1158,6 @@ AC_CHECK_LIB(dl, dlopen,
     [HaveLibDL=NO])
 AC_SUBST(HaveLibDL)
 
-dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
-AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
-AC_EGREP_CPP(yes,
-[
- #include <dlfcn.h>
- #ifdef RTLD_NEXT
-        yes
- #endif
-], [
-  AC_MSG_RESULT(yes)
-  AC_DEFINE([HAVE_RTLDNEXT], [1], [Define to 1 if we can see RTLD_NEXT in dlfcn.h.])
-  HaveRtldNext=YES
-], [
-  AC_MSG_RESULT(no)
-  HaveRtldNext=NO
-  ])    
-AC_SUBST(HaveRtldNext)
-
-dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
-AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
-AC_EGREP_CPP(yes,
-[
- #include <dlfcn.h>
- #ifdef RTLD_LOCAL
-        yes
- #endif
-], [
-  AC_MSG_RESULT(yes)
-  AC_DEFINE([HAVE_RTLDLOCAL], [1], [Define to 1 if RTLD_LOCAL is available.])
-  HaveRtldLocal=YES
-], [
-  AC_MSG_RESULT(no)
-  HaveRtldLocal=NO
-  ])    
-AC_SUBST(HaveRtldLocal)
-
-dnl ** RTLD_GLOBAL isn't available on openbsd
-AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
-AC_EGREP_CPP(yes,
-[
- #include <dlfcn.h>
- #ifdef RTLD_GLOBAL
-        yes
- #endif
-], [
-  AC_MSG_RESULT(yes)
-  AC_DEFINE([HAVE_RTLDGLOBAL], [1], [Define to 1 if RTLD_GLOBAL is available.])
-  HaveRtldGlobal=YES
-], [
-  AC_MSG_RESULT(no)
-  HaveRtldGlobal=NO
-  ])    
-AC_SUBST(HaveRtldGlobal)
-
-dnl ** RTLD_NOW isn't available on openbsd
-AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
-AC_EGREP_CPP(yes,
-[
- #include <dlfcn.h>
- #ifdef RTLD_NOW
-        yes
- #endif
-], [
-  AC_MSG_RESULT(yes)
-  AC_DEFINE([HAVE_RTLDNOW], [1], [Define to 1 if we can see RTLD_NOW in dlfcn.h])
-  HaveRtldNow=YES
-], [
-  AC_MSG_RESULT(no)
-  HaveRtldNow=NO
-  ])    
-AC_SUBST(HaveRtldNow)
-
 dnl --------------------------------------------------
 dnl * Miscellaneous feature tests
 dnl --------------------------------------------------
@@ -1270,6 +1198,10 @@ AC_TRY_COMPILE(,[__asm__ (".subsections_via_symbols");],
             [Define to 1 if Apple-style dead-stripping is supported.])
     ])
 
+dnl ** check for librt
+AC_CHECK_LIB(rt, clock_gettime)
+AC_CHECK_FUNCS(clock_gettime)
+
 dnl ** check for Apple's "interesting" long double compatibility scheme
 AC_MSG_CHECKING(for printf$LDBLStub)
 AC_TRY_LINK_FUNC(printf$LSBLStub,