From: Peter Maydell Date: Fri, 24 May 2013 15:26:54 +0000 (+0100) Subject: configure: Require libfdt for arm, ppc, microblaze softmmu targets X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e169e1e1ae1e75c522f932554890fb0f2f3e9999;p=qemu.git configure: Require libfdt for arm, ppc, microblaze softmmu targets A number of our softmmu targets (PPC, ARM, Microblaze) now more or less require flattened device tree support for various board models to work correctly. Make libfdt mandatory if the target list includes these, rather than building unhelpful half-functional binaries. Signed-off-by: Peter Maydell Reviewed-by: Edgar E. Iglesias Reviewed-by: Peter Crosthwaite Tested-by: Edgar E. Iglesias Message-id: 1369409217-7553-2-git-send-email-peter.maydell@linaro.org --- diff --git a/configure b/configure index 31b778337e..ad32f87b8e 100755 --- a/configure +++ b/configure @@ -2486,6 +2486,26 @@ fi ########################################## # fdt probe +# fdt support is mandatory for at least some target architectures, +# so insist on it if we're building those system emulators. +fdt_required=no +for target in $target_list; do + case $target in + arm*-softmmu|ppc*-softmmu|microblaze*-softmmu) + fdt_required=yes + ;; + esac +done + +if test "$fdt_required" = "yes"; then + if test "$fdt" = "no"; then + error_exit "fdt disabled but some requested targets require it." \ + "You can turn off fdt only if you also disable all the system emulation" \ + "targets which need it (by specifying a cut down --target-list)." + fi + fdt=yes +fi + if test "$fdt" != "no" ; then fdt_libs="-lfdt" # explicitly check for libfdt_env.h as it is missing in some stable installs