gv-3.5.8 fails to build on Leopard

[shirose@…]

---> Fetching gv ---> Verifying checksum(s) for gv ---> Extracting gv ---> Applying patches to gv ---> Configuring gv ---> Building gv with target all Error: Target org.macports.build returned: shell command " cd "/opt/local/var/macports/build/_Users_shirose_src_macports-trunk_dports_print_gv/work/gv-3.5.8" && make all " returned error 2 Command output: creating gv_class.ad creating gv_class.h creating gv_intern_res_unix.h creating gv_spartan.h /usr/bin/cc -Os -Wall -Wpointer-arith -no-cpp-precomp -I/usr/X11/include -Dpowerpc -DDARWIN -DNO_ALLOCA -DCSRG_BASED -DNON_BLOCKING_IO -DUSE_SIGNAL_HANDLER -DUSER_DEFAULTS=\"~/.gv\" -DGV_LIBDIR=\"/opt/local/lib/gv/\" -DGV_CODE -I/opt/local/include -DUSE_FALLBACK_STYLES -c -o resource.o resource.c /usr/bin/cc -Os -Wall -Wpointer-arith -no-cpp-precomp -I/usr/X11/include -Dpowerpc -DDARWIN -DNO_ALLOCA -DCSRG_BASED -DNON_BLOCKING_IO -DUSE_SIGNAL_HANDLER -DUSER_DEFAULTS=\"~/.gv\" -DGV_LIBDIR=\"/opt/local/lib/gv/\" -DGV_CODE -I/opt/local/include -DUSE_FALLBACK_STYLES -c -o save.o save.c /usr/bin/cc -Os -Wall -Wpointer-arith -no-cpp-precomp -I/usr/X11/include -Dpowerpc -DDARWIN -DNO_ALLOCA -DCSRG_BASED -DNON_BLOCKING_IO -DUSE_SIGNAL_HANDLER -DUSER_DEFAULTS=\"~/.gv\" -DGV_LIBDIR=\"/opt/local/lib/gv/\" -DGV_CODE -I/opt/local/include -DUSE_FALLBACK_STYLES -c -o scale.o scale.c /usr/bin/cc -Os -Wall -Wpointer-arith -no-cpp-precomp -I/usr/X11/include -Dpowerpc -DDARWIN -DNO_ALLOCA -DCSRG_BASED -DNON_BLOCKING_IO -DUSE_SIGNAL_HANDLER -DUSER_DEFAULTS=\"~/.gv\" -DGV_LIBDIR=\"/opt/local/lib/gv/\" -DGV_CODE -I/opt/local/include -DUSE_FALLBACK_STYLES -c -o signal.o signal.c signal.c: In function 'signal_sh_terminate': signal.c:128: warning: implicit declaration of function 'exit' signal.c:128: warning: incompatible implicit declaration of built-in function 'exit' signal.c: In function 'signal_sh_updateFile': signal.c:174: warning: incompatible implicit declaration of built-in function 'exit' /usr/bin/cc -Os -Wall -Wpointer-arith -no-cpp-precomp -I/usr/X11/include -Dpowerpc -DDARWIN -DNO_ALLOCA -DCSRG_BASED -DNON_BLOCKING_IO -DUSE_SIGNAL_HANDLER -DUSER_DEFAULTS=\"~/.gv\" -DGV_LIBDIR=\"/opt/local/lib/gv/\" -DGV_CODE -I/opt/local/include -DUSE_FALLBACK_STYLES -c -o version.o version.c /usr/bin/cc -Os -Wall -Wpointer-arith -no-cpp-precomp -I/usr/X11/include -Dpowerpc -DDARWIN -DNO_ALLOCA -DCSRG_BASED -DNON_BLOCKING_IO -DUSE_SIGNAL_HANDLER -DUSER_DEFAULTS=\"~/.gv\" -DGV_LIBDIR=\"/opt/local/lib/gv/\" -DGV_CODE -I/opt/local/include -DUSE_FALLBACK_STYLES -c -o widgets_misc.o widgets_misc.c /usr/bin/cc -Os -Wall -Wpointer-arith -no-cpp-precomp -I/usr/X11/include -Dpowerpc -DDARWIN -DNO_ALLOCA -DCSRG_BASED -DNON_BLOCKING_IO -DUSE_SIGNAL_HANDLER -DUSER_DEFAULTS=\"~/.gv\" -DGV_LIBDIR=\"/opt/local/lib/gv/\" -DGV_CODE -I/opt/local/include -DUSE_FALLBACK_STYLES -c -o zoom.o zoom.c /usr/bin/cc -Os -Wall -Wpointer-arith -no-cpp-precomp -I/usr/X11/include -Dpowerpc -DDARWIN -DNO_ALLOCA -DCSRG_BASED -DNON_BLOCKING_IO -DUSE_SIGNAL_HANDLER -DUSER_DEFAULTS=\"~/.gv\" -DGV_LIBDIR=\"/opt/local/lib/gv/\" -DGV_CODE -I/opt/local/include -DUSE_FALLBACK_STYLES -c -o setenv.o setenv.c setenv.c: In function 'setenv': setenv.c:57: warning: implicit declaration of function 'strlen' setenv.c:57: warning: incompatible implicit declaration of built-in function 'strlen' setenv.c:62: warning: suggest parentheses around assignment used as truth value setenv.c:83: warning: implicit declaration of function 'memcpy' setenv.c:83: warning: incompatible implicit declaration of built-in function 'memcpy' setenv.c:89: warning: assignment discards qualifiers from pointer target type setenv.c:94: warning: suggest parentheses around assignment used as truth value setenv.c: At top level: setenv.c:105: error: conflicting types for 'unsetenv' /usr/include/stdlib.h:247: error: previous declaration of 'unsetenv' was here make[1]: * [setenv.o] Error 1 make: * [all] Error 2

Error: Status 1 encountered during processing.