-current of ~ Oct 5th, epic4-2.10 (both package and built from ports),
hangs on inputting ^C. Thanks to the helpful folks of #epic, I was
pointed to this on the epic website (though they should add it to the
INSTALL notes for EPIC4, not just EPIC5
http://cvs.epicsol.org/cgi/viewcvs.cgi/epic5/INSTALL?rev=1.7&content-type=text/vnd.viewcvs-markup:
o You must not try to compile epic with "gcc -O2" because -O2 will
generate bad code that leads to random crashes. When you use -O2,
gcc assumes the source is conformant to ISO C99's requirements about
alias-safety, and EPIC, being a C90 program, does not conform, so the
result is undefined behavior (which means it crashes randomly.) This
is not a bug in EPIC. You must only compile epic with -O.
Compiling with -O (or -O0) fixes the issue. Diff (for -O) attached,
tested on i386.
--- net/epic4/Makefile.orig Fri Oct 10 19:59:37 2008
+++ net/epic4/Makefile Sat Oct 11 00:06:08 2008
@@ -5,6 +5,7 @@
VERSION= 2.10
HELP_DATE= 20050315
DISTNAME= epic4-${VERSION}
+PKGNAME= ${DISTNAME}p0
CATEGORIES= net
MASTER_SITES= ftp://ftp.epicsol.org/pub/epic/EPIC4-PRODUCTION/
DISTFILES= epic4-${VERSION}.tar.bz2 epic4-help-${HELP_DATE}.tar.gz
@@ -32,6 +33,10 @@
NO_REGRESS= Yes
SUBST_VARS= VERSION
+# epic is a C90 program -O2 causes aliasing problems
+# http://cvs.epicsol.org/cgi/viewcvs.cgi/epic5/INSTALL
+CFLAGS+= -O
+
post-extract:
@mv -f ${WRKDIR}/help ${WRKSRC}
