g95 fails to build on 10.13 High Sierra

[joverly]

It is looking like ld fails to find a file:

:info:configure mv 'libgcc/./tmp-libgcc.map' libgcc/./libgcc.map
:info:configure /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_g95/g95/work/gcc-4.2.4/g95/./gcc/xgcc -B/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_g95/g95/work/gcc-4.2.4/g95/./gcc/ -B/opt/local/lib/g95/x86_64-apple-darwin17/4.2.4/x86_64-apple-darwin17/bin/ -B/opt/local/lib/g95/x86_64-apple-darwin17/4.2.4/x86_64-apple-darwin17/lib/ -isystem /opt/local/lib/g95/x86_64-apple-darwin17/4.2.4/x86_64-apple-darwin17/include -isystem /opt/local/lib/g95/x86_64-apple-darwin17/4.2.4/x86_64-apple-darwin17/sys-include -O2  -Os -std=gnu89  -DIN_GCC    -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem ./include  -fPIC -pipe -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED  -dynamiclib -nodefaultlibs -Wl,-install_name,/opt/local/lib/g95/x86_64-apple-darwin17/4.2.4/libgcc_s`if test . = ppc64 ; then echo _. ; fi`.1.dylib -single_module -o ./libgcc_s.1.dylib.tmp -Wl,-exported_symbols_list,libgcc/./libgcc.map -compatibility_version 1 -current_version 1.0  libgcc/./_muldi3_s.o libgcc/./_negdi2_s.o libgcc/./_lshrdi3_s.o libgcc/./_ashldi3_s.o libgcc/./_ashrdi3_s.o libgcc/./_cmpdi2_s.o libgcc/./_ucmpdi2_s.o libgcc/./_clear_cache_s.o libgcc/./_enable_execute_stack_s.o libgcc/./_trampoline_s.o libgcc/./__main_s.o libgcc/./_absvsi2_s.o libgcc/./_absvdi2_s.o libgcc/./_addvsi3_s.o libgcc/./_addvdi3_s.o libgcc/./_subvsi3_s.o libgcc/./_subvdi3_s.o libgcc/./_mulvsi3_s.o libgcc/./_mulvdi3_s.o libgcc/./_negvsi2_s.o libgcc/./_negvdi2_s.o libgcc/./_ctors_s.o libgcc/./_ffssi2_s.o libgcc/./_ffsdi2_s.o libgcc/./_clz_s.o libgcc/./_clzsi2_s.o libgcc/./_clzdi2_s.o libgcc/./_ctzsi2_s.o libgcc/./_ctzdi2_s.o libgcc/./_popcount_tab_s.o libgcc/./_popcountsi2_s.o libgcc/./_popcountdi2_s.o libgcc/./_paritysi2_s.o libgcc/./_paritydi2_s.o libgcc/./_powisf2_s.o libgcc/./_powidf2_s.o libgcc/./_powixf2_s.o libgcc/./_powitf2_s.o libgcc/./_mulsc3_s.o libgcc/./_muldc3_s.o libgcc/./_mulxc3_s.o libgcc/./_multc3_s.o libgcc/./_divsc3_s.o libgcc/./_divdc3_s.o libgcc/./_divxc3_s.o libgcc/./_divtc3_s.o libgcc/./_fixunssfsi_s.o libgcc/./_fixunsdfsi_s.o libgcc/./_fixunsxfsi_s.o libgcc/./_fixsfdi_s.o libgcc/./_fixsfti_s.o libgcc/./_fixunssfdi_s.o libgcc/./_fixunssfti_s.o libgcc/./_floatdisf_s.o libgcc/./_floattisf_s.o libgcc/./_floatundisf_s.o libgcc/./_floatuntisf_s.o libgcc/./_fixdfdi_s.o libgcc/./_fixdfti_s.o libgcc/./_fixunsdfdi_s.o libgcc/./_fixunsdfti_s.o libgcc/./_floatdidf_s.o libgcc/./_floattidf_s.o libgcc/./_floatundidf_s.o libgcc/./_floatuntidf_s.o libgcc/./_fixxfdi_s.o libgcc/./_fixxfti_s.o libgcc/./_fixunsxfdi_s.o libgcc/./_fixunsxfti_s.o libgcc/./_floatdixf_s.o libgcc/./_floattixf_s.o libgcc/./_floatundixf_s.o libgcc/./_floatuntixf_s.o libgcc/./_fixtfdi_s.o libgcc/./_fixtfti_s.o libgcc/./_fixunstfdi_s.o libgcc/./_fixunstfti_s.o libgcc/./_floatditf_s.o libgcc/./_floattitf_s.o libgcc/./_floatunditf_s.o libgcc/./_floatuntitf_s.o libgcc/./_divdi3_s.o libgcc/./_moddi3_s.o libgcc/./_udivdi3_s.o libgcc/./_umoddi3_s.o libgcc/./_udiv_w_sdiv_s.o libgcc/./_udivmoddi4_s.o libgcc/./darwin-64_s.o libgcc/./unwind-dw2_s.o libgcc/./unwind-dw2-fde-darwin_s.o libgcc/./unwind-sjlj_s.o libgcc/./unwind-c_s.o -lc
:info:configure ld: file not found: 
:info:configure fatal error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool: internal link edit command failed
:info:configure make[4]: *** [libgcc_s.dylib] Error 1
:info:configure make[3]: *** [stmp-multilib] Error 2
:info:configure make[2]: *** [all-stage1-gcc] Error 2
:info:configure make[1]: *** [stage1-bubble] Error 2
:info:configure make: *** [all] Error 2

[joverly]

g95 build log file

[mf2k (Frank Schima)]

In the future, please use WikiFormatting and Cc the port maintainers (port info --maintainers g95), if any.

[tenomoto (Takeshi Enomoto)]

I am sorry that I could not resolve the problem. gcc42 is gone and newer gcc43 does not compile on High Sierra. Use Sierra or gfortran. [6b905efc9d5586366ac498ed78d6ac51c120d33f/macports-ports]