We don't have ps2pdf (ghostscript) in the docker image, and defaulting to false gives an error --- ../configure.ac.orig 2020-07-21 20:56:45.916983567 +0000 +++ ./configure.ac 2020-07-21 20:58:06.050817612 +0000 @@ -282,10 +282,10 @@ AC_CHECK_PROGS(SED,gsed sed,false) AC_CHECK_PROGS(SORT,gsort sort,false) -AC_CHECK_PROG(EGREP,egrep,egrep,false) -AC_CHECK_PROG(GROFF,groff,groff,false) -AC_CHECK_PROG(PS2PDF,ps2pdf,ps2pdf,false) -AC_CHECK_PROG(PS2PDF,pstopdf,pstopdf,false) +AC_CHECK_PROG(EGREP,egrep,egrep,echo) +AC_CHECK_PROG(GROFF,groff,groff,echo) +AC_CHECK_PROG(PS2PDF,ps2pdf,ps2pdf,echo) +AC_CHECK_PROG(PS2PDF,pstopdf,pstopdf,echo) PKG_PROG_PKG_CONFIG