Import libexecinfo 1.1 as devel/libexecinfo

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/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/Makefile

@@ -0,0 +1,24 @@
+# $NetBSD: Makefile,v 1.1.1.1 2013/03/14 22:27:15 asau Exp $
+
+DISTNAME=	libexecinfo-1.1
+CATEGORIES=	devel
+MASTER_SITES=	$(MASTER_SITE_FREEBSD)
+EXTRACT_SUFX=	.tar.bz2
+
+MAINTAINER=	ober@NetBSD.org
+HOMEPAGE=       http://www.freebsdsoftware.org/devel/libexecinfo.html
+COMMENT=	BSD Licensed clone of backtrace facility found in GNU libc
+LICENSE=	2-clause-bsd
+
+USE_BSD_MAKEFILE=	yes
+MAKE_FLAGS+=	MKLINT=no
+
+CFLAGS.Linux+=	-D_GNU_SOURCE # Dl_info internals
+CFLAGS.Linux+=	-Wno-unused-result # write(2) is declared specially
+
+INSTALLATION_DIRS=	include lib
+
+post-install:
+	${INSTALL_DATA} ${WRKSRC}/execinfo.h ${DESTDIR}${PREFIX}/include
+
+.include "../../mk/bsd.pkg.mk"

devel/libexecinfo/PLIST

@@ -0,0 +1,7 @@
+@comment $NetBSD: PLIST,v 1.1.1.1 2013/03/14 22:27:15 asau Exp $
+include/execinfo.h
+lib/libexecinfo.a
+lib/libexecinfo.so
+lib/libexecinfo.so.1
+lib/libexecinfo.so.1.0
+lib/libexecinfo_pic.a

devel/libexecinfo/buildlink3.mk

@@ -0,0 +1,13 @@
+# $NetBSD: buildlink3.mk,v 1.1.1.1 2013/03/14 22:27:15 asau Exp $
+
+BUILDLINK_TREE+=	libexecinfo
+
+.if !defined(LIBEXECINFO_BUILDLINK3_MK)
+LIBEXECINFO_BUILDLINK3_MK:=
+
+BUILDLINK_API_DEPENDS.libexecinfo+=	libexecinfo>=1.1
+BUILDLINK_ABI_DEPENDS.libexecinfo+=	libexecinfo>=1.1
+BUILDLINK_PKGSRCDIR.libexecinfo?=	../../devel/libexecinfo
+.endif	# LIBEXECINFO_BUILDLINK3_MK
+
+BUILDLINK_TREE+=	-libexecinfo

devel/libexecinfo/distinfo

@@ -0,0 +1,6 @@
+$NetBSD: distinfo,v 1.1.1.1 2013/03/14 22:27:15 asau Exp $
+
+SHA1 (libexecinfo-1.1.tar.bz2) = a2330eae993880850a90ccfdc389a89cdd7f95ab
+RMD160 (libexecinfo-1.1.tar.bz2) = b2227d4095be0002185b667b9fde71cd876a4ed7
+Size (libexecinfo-1.1.tar.bz2) = 4841 bytes
+SHA1 (patch-execinfo.c) = 01a2337029c623f6e2385c74ca9f7f2a34569356

devel/libexecinfo/patches/patch-execinfo.c

@@ -0,0 +1,60 @@
+$NetBSD: patch-execinfo.c,v 1.1.1.1 2013/03/14 22:27:15 asau Exp $
+
+Patch from FreeBSD ports devel/libexecinfo. Makes execinfo.c compilable
+
+--- execinfo.c.orig
++++ execinfo.c
+@@ -69,7 +69,8 @@
+ char **
+ backtrace_symbols(void *const *buffer, int size)
+ {
+-    int i, clen, alen, offset;
++    size_t clen, alen;
++    int i, offset;
+     char **rval;
+     char *cp;
+     Dl_info info;
+@@ -78,7 +79,6 @@
+     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 +92,14 @@
+                    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" */
+@@ -108,12 +108,15 @@
+             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] += (long) rval;
++
+     return rval;
+ }
+