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| author |   Diego Elio Pettenò <flameeyes@gmail.com> | 2009-05-17 15:39:40 +0200 |
|---|---|---|
| committer |   Mike Frysinger <vapier@gentoo.org> | 2011-02-14 01:09:01 -0500 |
| commit | 92273e99dd31f84ec7d2513aea7352a2d19beec0 (patch) | |
| tree | 051e78a85c13286c425dd855f2ea791a835224e0 | |
| parent | use libtool 2.2 macro and avoid dirty hacks (diff) | |
| download | sandbox-92273e99dd31f84ec7d2513aea7352a2d19beec0.tar.gz sandbox-92273e99dd31f84ec7d2513aea7352a2d19beec0.tar.bz2 sandbox-92273e99dd31f84ec7d2513aea7352a2d19beec0.zip | |
make the libdl/dlopen/dlvsym tests more autoconfyv2.5
Instead of testing manually for libdl and then libc for dlopen, just use
AC_SEARCH_LIBS (and then AC_CHECK_FUNCS to check for dlvsym). The code
is much nicer now.
Signed-off-by: Diego Elio Pettenò <flameeyes@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| -rw-r--r-- | configure.ac | 21 |
1 files changed, 2 insertions, 19 deletions
diff --git a/configure.ac b/configure.ac index a0a0a76..3f4025c 100644 --- a/configure.ac +++ b/configure.ac @@ -232,28 +232,11 @@ if echo " $LDFLAGS " | $EGREP ' -static ' >/dev/null 2>&1; then fi dnl Some libc's like those on bsd have dlopen() in libc, and not libdl -AC_CHECK_LIB([dl], [dlopen], - [have_libdl="yes"], - [have_libdl="no"] -) -if test x"$have_libdl" = xyes ; then - LIBDL="-ldl" - AC_SUBST([LIBDL]) - DL_LIB="dl" -else - DL_LIB="c" - AC_CHECK_LIB([c], [dlopen], - [], - [AC_MSG_ERROR([Unable to determine library providing dlopen])] - ) -fi +AC_SEARCH_LIBS([dlopen], [dl]) dnl uClibc doesn't currently provide dlvsym() so lets dnl verify the toolchain supports it -AC_CHECK_LIB([$DL_LIB], [dlvsym], - [AC_DEFINE([HAVE_DLVSYM], [1], [libdl supports dlvsym])], - [AC_DEFINE([HAVE_DLVSYM], [0], [libdl does not support dlvsym])] -) +AC_CHECK_FUNCS([dlvsym]) dnl when using libc5, (f)trucate's offset argument type is size_t with dnl libc5, but it's off_t with libc6 (glibc2). |