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build: avoid dlopen-related link failure on rawhide/F13
Instead of using AC_CHECK_LIB and hardcoding -ldl, search for the library needed to get dlopen() and then use the cached value.
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@ -1700,7 +1700,7 @@ if test "x$with_driver_modules" = "xyes" ; then
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old_libs="$LIBS"
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fail=0
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AC_CHECK_HEADER([dlfcn.h],[],[fail=1])
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AC_CHECK_LIB([dl], [dlopen],[],[fail=1])
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AC_SEARCH_LIBS([dlopen], [dl], [], [fail=1])
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test $fail = 1 &&
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AC_MSG_ERROR([You must have dlfcn.h / dlopen() support to build driver modules])
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@ -1709,7 +1709,10 @@ if test "x$with_driver_modules" = "xyes" ; then
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fi
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if test "$with_driver_modules" = "yes"; then
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DRIVER_MODULE_CFLAGS="-export-dynamic"
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DRIVER_MODULE_LIBS="-ldl"
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case $ac_cv_search_dlopen in
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no*) DRIVER_MODULE_LIBS= ;;
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*) DRIVER_MODULE_LIBS=$ac_cv_search_dlopen ;;
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esac
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AC_DEFINE_UNQUOTED([WITH_DRIVER_MODULES], 1, [whether to build drivers as modules])
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fi
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AM_CONDITIONAL([WITH_DRIVER_MODULES], [test "$with_driver_modules" != "no"])
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