Install hangs at checking for sdl-config... on Yosemite

[onaforeignshore@…]

---> Computing dependencies for libdc1394. ---> Configuring libdc1394 checking build system type... i386-apple-darwin14.0.0 checking host system type... i386-apple-darwin14.0.0 checking target system type... i386-apple-darwin14.0.0 checking for doxygen... no configure: WARNING: doxygen not found - will not generate any doxygen documentation (requires doxygen package) checking for perl... /opt/local/bin/perl checking for a BSD-compatible install... /usr/bin/install -c checking whether build environment is sane... yes /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_libdc1394/libdc1394/work/libdc1394-2.2.0/missing: Unknown `--is-lightweight' option Try `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_libdc1394/libdc1394/work/libdc1394-2.2.0/missing --help' for more information configure: WARNING: 'missing' script is too old or missing checking for a thread-safe mkdir -p... ./install-sh -c -d checking for gawk... gawk checking whether make sets $(MAKE)... yes checking whether make supports nested variables... yes checking for gcc... /usr/bin/clang checking whether the C compiler works... yes checking for C compiler default output file name... a.out checking for suffix of executables... checking whether we are cross compiling... no checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether /usr/bin/clang accepts -g... yes checking for /usr/bin/clang option to accept ISO C89... none needed checking whether /usr/bin/clang understands -c and -o together... yes checking for style of include used by make... GNU checking dependency style of /usr/bin/clang... gcc3 checking how to print strings... printf checking for a sed that does not truncate output... /opt/local/bin/gsed checking for grep that handles long lines and -e... /usr/bin/grep checking for egrep... /usr/bin/grep -E checking for fgrep... /usr/bin/grep -F checking for ld used by /usr/bin/clang... /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld checking if the linker (/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld) is GNU ld... no checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm checking the name lister (/usr/bin/nm) interface... BSD nm checking whether ln -s works... yes checking the maximum length of command line arguments... 196608 checking whether the shell understands some XSI constructs... yes checking whether the shell understands "+="... yes checking how to convert i386-apple-darwin14.0.0 file names to i386-apple-darwin14.0.0 format... func_convert_file_noop checking how to convert i386-apple-darwin14.0.0 file names to toolchain format... func_convert_file_noop checking for /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld option to reload object files... -r checking for objdump... no checking how to recognize dependent libraries... pass_all checking for dlltool... no checking how to associate runtime and link libraries... printf %s\n checking for ar... ar checking for archiver @FILE support... no checking for strip... strip checking for ranlib... ranlib checking command to parse /usr/bin/nm output from /usr/bin/clang object... ok checking for sysroot... no checking for mt... no checking if : is a manifest tool... no checking for dsymutil... dsymutil checking for nmedit... nmedit checking for lipo... lipo checking for otool... otool checking for otool64... no checking for -single_module linker flag... yes checking for -exported_symbols_list linker flag... yes checking for -force_load linker flag... yes checking how to run the C preprocessor... /usr/bin/clang -E checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking for dlfcn.h... yes checking for objdir... .libs checking if /usr/bin/clang supports -fno-rtti -fno-exceptions... yes checking for /usr/bin/clang option to produce PIC... -fno-common -DPIC checking if /usr/bin/clang PIC flag -fno-common -DPIC works... yes checking if /usr/bin/clang static flag -static works... no checking if /usr/bin/clang supports -c -o file.o... yes checking if /usr/bin/clang supports -c -o file.o... (cached) yes checking whether the /usr/bin/clang linker (/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld) supports shared libraries... yes checking dynamic linker characteristics... darwin14.0.0 dyld checking how to hardcode library paths into programs... immediate checking whether stripping libraries is possible... yes checking if libtool supports shared libraries... yes checking whether to build shared libraries... yes checking whether to build static libraries... yes checking for pkg-config... /opt/local/bin/pkg-config checking pkg-config is at least version 0.9.0... yes checking for C/C++ restrict keyword... restrict checking for pow in -lm... yes checking for LIBUSB... yes checking for sdl-config... /opt/local/bin/sdl-config

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