Import libexecinfo-1.1

This is a quick-n-dirty BSD licensed clone of backtrace facility found
in the GNU libc, mainly intended for porting linuxish code to BSD
platforms, however it can be used at any platform which has a gcc
compiler.

from bernd@ (patch-execinfo_c from FreeBSD)

devel/libexecinfo/Makefile

@@ -0,0 +1,28 @@
+# $OpenBSD: Makefile,v 1.1.1.1 2008/10/21 17:01:24 ajacoutot Exp $
+
+COMMENT=	clone of backtrace facility found in the GNU libc
+
+DISTNAME=	libexecinfo-1.1
+CATEGORIES=	devel
+
+SHARED_LIBS=	execinfo	0.0
+
+# BSD
+PERMIT_PACKAGE_CDROM=	Yes
+PERMIT_PACKAGE_FTP=	Yes
+PERMIT_DISTFILES_CDROM=	Yes
+PERMIT_DISTFILES_FTP=	Yes
+
+MASTER_SITES=	ftp://ftp.freebsd.org/pub/FreeBSD/ports/local-distfiles/itetcu/
+EXTRACT_SUFX=	.tar.bz2
+
+WANTLIB=	m
+
+MAKE_ENV=	LIBDIR=${PREFIX}/lib \
+		LIBexecinfo_MAJOR=${LIBexecinfo_VERSION:R} \
+		LIBexecinfo_MINOR=${LIBexecinfo_VERSION:E}
+
+post-install:
+	${INSTALL_DATA} ${WRKBUILD}/*.h ${PREFIX}/include
+
+.include <bsd.port.mk>

devel/libexecinfo/distinfo

@@ -0,0 +1,5 @@
+MD5 (libexecinfo-1.1.tar.bz2) = jp6BxVTBxdc1vId0SOkrkQ==
+RMD160 (libexecinfo-1.1.tar.bz2) = siJ9QJW+AAIYW2Z7n95xzYdqTtc=
+SHA1 (libexecinfo-1.1.tar.bz2) = ojMOrpk4gIUKkMz9w4monN1/las=
+SHA256 (libexecinfo-1.1.tar.bz2) = yaIZE+f9rI72szJQsWeqH8CnuKF1FF4mkTpMGdilmx8=
+SIZE (libexecinfo-1.1.tar.bz2) = 4841

devel/libexecinfo/patches/patch-Makefile

@@ -0,0 +1,14 @@
+$OpenBSD: patch-Makefile,v 1.1.1.1 2008/10/21 17:01:24 ajacoutot Exp $
+--- Makefile.orig	Mon Dec 10 22:07:49 2007
++++ Makefile	Mon Dec 10 22:08:07 2007
+@@ -30,8 +30,8 @@ SRCS=	stacktraverse.c stacktraverse.h execinfo.c execi
+ 
+ INCS=	execinfo.h
+ 
+-SHLIB_MAJOR=	1
+-SHLIB_MINOR=	0
++SHLIB_MAJOR=	${LIBexecinfo_MAJOR}
++SHLIB_MINOR=	${LIBexecinfo_MINOR}
+ 
+ NOPROFILE=	yes
+ 

devel/libexecinfo/patches/patch-execinfo_c

@@ -0,0 +1,46 @@
+$OpenBSD: patch-execinfo_c,v 1.1.1.1 2008/10/21 17:01:24 ajacoutot Exp $
+--- execinfo.c.orig	Mon Jul 19 07:21:09 2004
++++ execinfo.c	Tue Oct 21 18:40:48 2008
+@@ -78,7 +78,6 @@ backtrace_symbols(void *const *buffer, int size)
+     rval = malloc(clen);
+     if (rval == NULL)
+         return NULL;
+-    (char **)cp = &(rval[size]);
+     for (i = 0; i < size; i++) {
+         if (dladdr(buffer[i], &info) != 0) {
+             if (info.dli_sname == NULL)
+@@ -92,14 +91,14 @@ backtrace_symbols(void *const *buffer, int size)
+                    2 +                      /* " <" */
+                    strlen(info.dli_sname) + /* "function" */
+                    1 +                      /* "+" */
+-                   D10(offset) +            /* "offset */
++                   10 +                     /* "offset */
+                    5 +                      /* "> at " */
+                    strlen(info.dli_fname) + /* "filename" */
+                    1;                       /* "\0" */
+             rval = realloc_safe(rval, clen + alen);
+             if (rval == NULL)
+                 return NULL;
+-            snprintf(cp, alen, "%p <%s+%d> at %s",
++            snprintf((char *) rval + clen, alen, "%p <%s+%d> at %s",
+               buffer[i], info.dli_sname, offset, info.dli_fname);
+         } else {
+             alen = 2 +                      /* "0x" */
+@@ -108,11 +107,14 @@ backtrace_symbols(void *const *buffer, int size)
+             rval = realloc_safe(rval, clen + alen);
+             if (rval == NULL)
+                 return NULL;
+-            snprintf(cp, alen, "%p", buffer[i]);
++            snprintf((char *) rval + clen, alen, "%p", buffer[i]);
+         }
+-        rval[i] = cp;
+-        cp += alen;
++        rval[i] = (char *) clen;
++        clen += alen;
+     }
++
++    for (i = 0; i < size; i++)
++        rval[i] += (int) rval;
+ 
+     return rval;
+ }

devel/libexecinfo/pkg/DESCR

@@ -0,0 +1,4 @@
+This is a quick-n-dirty BSD licensed clone of backtrace facility found
+in the GNU libc, mainly intended for porting linuxish code to BSD
+platforms, however it can be used at any platform which has a gcc
+compiler.

devel/libexecinfo/pkg/PFRAG.shared

@@ -0,0 +1,2 @@
+@comment $OpenBSD: PFRAG.shared,v 1.1.1.1 2008/10/21 17:01:24 ajacoutot Exp $
+@lib lib/libexecinfo.so.${LIBexecinfo_VERSION}

devel/libexecinfo/pkg/PLIST

@@ -0,0 +1,6 @@
+@comment $OpenBSD: PLIST,v 1.1.1.1 2008/10/21 17:01:24 ajacoutot Exp $
+%%SHARED%%
+include/execinfo.h
+include/stacktraverse.h
+lib/libexecinfo.a
+lib/libexecinfo_pic.a