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authorEric Anholt <eric@anholt.net>2008-03-20 17:28:58 -0700
committerEric Anholt <eric@anholt.net>2008-03-21 14:19:30 -0700
commit050c533cbfe957ba84b2c933b33f8f876010bf9b (patch)
treeb8ea9cdb0e8b6e9e0eca24e71a7efd5ef641904f /configure.ac
parentbcb61987fb7260894065e4fc5aa246317e1a3ff4 (diff)
autoconf: automatically detect if -ldl is required.
This logic was copied from the xserver.
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac9
1 files changed, 7 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac
index 504d9acdc91..99657eb20a9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -43,6 +43,11 @@ if test "x$GCC" = xyes; then
fi
AC_SUBST(MKDEP_OPTIONS)
+dnl Check to see if dlopen is in default libraries (like Solaris, which
+dnl has it in libc), or if libdl is needed to get it.
+AC_CHECK_FUNC([dlopen], [],
+ AC_CHECK_LIB([dl], [dlopen], DLOPEN_LIBS="-ldl"))
+
dnl Make sure the pkg-config macros are defined
m4_ifdef([PKG_PROG_PKG_CONFIG],,[
AC_MSG_ERROR([The pkg-config autoconf macros are not defined.
@@ -399,7 +404,7 @@ dri)
fi
# need DRM libs, -lpthread, etc.
- GL_LIB_DEPS="$GL_LIB_DEPS $LIBDRM_LIBS -lm -lpthread -ldl"
+ GL_LIB_DEPS="$GL_LIB_DEPS $LIBDRM_LIBS -lm -lpthread $DLOPEN_LIBS"
;;
osmesa)
# No libGL for osmesa
@@ -550,7 +555,7 @@ if test "$mesa_driver" = dri; then
AC_MSG_ERROR([Expat required for DRI.]))
# put all the necessary libs together
- DRI_LIB_DEPS="$SELINUX_LIBS $LIBDRM_LIBS $EXPAT_LIB -lm -lpthread -ldl"
+ DRI_LIB_DEPS="$SELINUX_LIBS $LIBDRM_LIBS $EXPAT_LIB -lm -lpthread $DLOPEN_LIBS"
fi
AC_SUBST(DRI_DIRS)
AC_SUBST(EXPAT_INCLUDES)