opcodes: Use autoconf to check for `bfd_mips_elf_get_abiflags' in BFD

[deliverable/binutils-gdb.git] / opcodes / configure.ac

diff --git a/opcodes/configure.ac b/opcodes/configure.ac
index 3475d491c5f51d74e8d3105e2599c66c29b3e1e7..b0825beb9a2c2dc59337d1163feeb7d56bcf44ea 100644 (file)
--- a/opcodes/configure.ac
+++ b/opcodes/configure.ac
@@ -210,6 +210,25 @@ AC_SUBST(SHARED_DEPENDENCIES)
 
 # target-specific stuff:
 
+# Check if `bfd_mips_elf_get_abiflags' is present in BFD, needed by
+# `mips-dis.c'.  Avoid using AC_CHECK_LIB as it uses a cache variable
+# which could hold the wrong value if we are rerun due to the
+# `../bfd/libbfd.la' dependency for `config.status', so use a handcoded
+# sequence which is equivalent but does not use the cache.
+CYG_AC_PATH_BFD
+AC_MSG_CHECKING([for bfd_mips_elf_get_abiflags in -lbfd])
+opcodes_save_LIBS=$LIBS
+LIBS="$BFDLIB -lbfd ../libiberty/libiberty.a `test -e ../bfd/libbfd.la && . ../bfd/libbfd.la; echo $dependency_libs`"
+AC_LINK_IFELSE([AC_LANG_CALL([], [bfd_mips_elf_get_abiflags])],
+               [opcodes_lib_bfd_bfd_mips_elf_get_abiflags=yes],
+               [opcodes_lib_bfd_bfd_mips_elf_get_abiflags=no])
+LIBS=$opcodes_save_LIBS
+AC_MSG_RESULT([$opcodes_lib_bfd_bfd_mips_elf_get_abiflags])
+if test x"$opcodes_lib_bfd_bfd_mips_elf_get_abiflags" = xyes; then
+  AC_DEFINE([HAVE_BFD_MIPS_ELF_GET_ABIFLAGS], [1],
+    [Define to 1 if you have the `bfd_mips_elf_get_abiflags' function.])
+fi
+
 # Canonicalize the secondary target names.
 if test -n "$enable_targets" ; then
     for targ in `echo $enable_targets | sed 's/,/ /g'`