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build: avoid dlopen-related link failure on rawhide/F13

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Instead of using AC_CHECK_LIB and hardcoding -ldl, search for the library
needed to get dlopen() and then use the cached value.
This commit is contained in:
Diego Elio Pettenò 2010-03-04 16:45:02 +01:00 committed by Jim Meyering
parent e8d6c28955
commit fd04fbaaaf
1 changed files with 5 additions and 2 deletions
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7
configure.ac
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@ -1700,7 +1700,7 @@ if test "x$with_driver_modules" = "xyes" ; then
old_libs="$LIBS"
fail=0
AC_CHECK_HEADER([dlfcn.h],[],[fail=1])
AC_CHECK_LIB([dl], [dlopen],[],[fail=1])
AC_SEARCH_LIBS([dlopen], [dl], [], [fail=1])
test $fail = 1 &&
AC_MSG_ERROR([You must have dlfcn.h / dlopen() support to build driver modules])
@ -1709,7 +1709,10 @@ if test "x$with_driver_modules" = "xyes" ; then
fi
if test "$with_driver_modules" = "yes"; then
DRIVER_MODULE_CFLAGS="-export-dynamic"
DRIVER_MODULE_LIBS="-ldl"
case $ac_cv_search_dlopen in
no*) DRIVER_MODULE_LIBS= ;;
*) DRIVER_MODULE_LIBS=$ac_cv_search_dlopen ;;
esac
AC_DEFINE_UNQUOTED([WITH_DRIVER_MODULES], 1, [whether to build drivers as modules])
fi
AM_CONDITIONAL([WITH_DRIVER_MODULES], [test "$with_driver_modules" != "no"])