[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH RFC 08/15] tools: check for libfdt when building for ARM
libxl is going to want this to aid in the creation of guest device tree blobs. Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx> --- tools/config.h.in | 3 +++ tools/configure | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++ tools/configure.ac | 6 ++++++ 3 files changed, 61 insertions(+) diff --git a/tools/config.h.in b/tools/config.h.in index b1c9531..015f2a1 100644 --- a/tools/config.h.in +++ b/tools/config.h.in @@ -9,6 +9,9 @@ /* Define to 1 if you have the `crypto' library (-lcrypto). */ #undef HAVE_LIBCRYPTO +/* Define to 1 if you have the `fdt' library (-lfdt). */ +#undef HAVE_LIBFDT + /* Define to 1 if you have the `yajl' library (-lyajl). */ #undef HAVE_LIBYAJL diff --git a/tools/configure b/tools/configure index 1da8652..2503990 100755 --- a/tools/configure +++ b/tools/configure @@ -7941,6 +7941,58 @@ fi +# FDT is needed only on ARM +case "$host_cpu" in +arm*|aarch64) +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for fdt_create in -lfdt" >&5 +$as_echo_n "checking for fdt_create in -lfdt... " >&6; } +if ${ac_cv_lib_fdt_fdt_create+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lfdt $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char fdt_create (); +int +main () +{ +return fdt_create (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_fdt_fdt_create=yes +else + ac_cv_lib_fdt_fdt_create=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_fdt_fdt_create" >&5 +$as_echo "$ac_cv_lib_fdt_fdt_create" >&6; } +if test "x$ac_cv_lib_fdt_fdt_create" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBFDT 1 +_ACEOF + + LIBS="-lfdt $LIBS" + +else + as_fn_error $? "Could not find libfdt" "$LINENO" 5 +fi + +esac + # Checks for header files. for ac_header in yajl/yajl_version.h sys/eventfd.h do : diff --git a/tools/configure.ac b/tools/configure.ac index 4f3c33a..c366efb 100644 --- a/tools/configure.ac +++ b/tools/configure.ac @@ -216,6 +216,12 @@ AC_CHECK_LIB([z], [deflateCopy], [], [AC_MSG_ERROR([Could not find zlib])]) AC_CHECK_LIB([iconv], [libiconv_open], [libiconv="y"], [libiconv="n"]) AC_SUBST(libiconv) +# FDT is needed only on ARM +case "$host_cpu" in +arm*|aarch64) +AC_CHECK_LIB([fdt], [fdt_create], [], [AC_MSG_ERROR([Could not find libfdt])]) +esac + # Checks for header files. AC_CHECK_HEADERS([yajl/yajl_version.h sys/eventfd.h]) -- 1.7.10.4 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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