libexecinfo: init at 1.1, patches from Alpine

Not sure if ALLVM should use this, but might be good
to have it on hand just-in-case :).

Maybe part of libnone?

pkgs/development/libraries/libexecinfo/10-execinfo.patch

@@ -0,0 +1,64 @@
+--- 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;
+ }
+ 
+@@ -155,6 +158,6 @@
+                 return;
+             snprintf(buf, len, "%p\n", buffer[i]);
+         }
+-        write(fd, buf, len - 1);
++        write(fd, buf, strlen(buf));
+     }
+ }

pkgs/development/libraries/libexecinfo/20-define-gnu-source.patch

@@ -0,0 +1,24 @@
+--- execinfo.c.orig
++++ execinfo.c
+@@ -26,6 +26,7 @@
+  * $Id: execinfo.c,v 1.3 2004/07/19 05:21:09 sobomax Exp $
+  */
+ 
++#define _GNU_SOURCE
+ #include <sys/types.h>
+ #include <sys/uio.h>
+ #include <dlfcn.h>
+--- stacktraverse.c.orig
++++ stacktraverse.c
+@@ -1,3 +1,4 @@
++#define _GNU_SOURCE
+ #include <stddef.h>
+ 
+ #include "stacktraverse.h"
+--- test.c.orig
++++ test.c
+@@ -1,3 +1,4 @@
++#define _GNU_SOURCE
+ #include <stdio.h>
+ #include <stdlib.h>
+ 

pkgs/development/libraries/libexecinfo/30-linux-makefile.patch

@@ -0,0 +1,44 @@
+--- Makefile.orig
++++ Makefile
+@@ -23,24 +23,25 @@
+ # SUCH DAMAGE.
+ #
+ # $Id: Makefile,v 1.3 2004/07/19 05:19:55 sobomax Exp $
++#
++# Linux Makefile by Matt Smith <mcs@darkregion.net>, 2011/01/04
+ 
+-LIB=	execinfo
++CC=cc
++AR=ar
++EXECINFO_CFLAGS=$(CFLAGS) -O2 -pipe -fno-strict-aliasing -std=gnu99 -fstack-protector -c
++EXECINFO_LDFLAGS=$(LDFLAGS)
+ 
+-SRCS=	stacktraverse.c stacktraverse.h execinfo.c execinfo.h
++all: static dynamic
+ 
+-INCS=	execinfo.h
++static:
++	$(CC) $(EXECINFO_CFLAGS) $(EXECINFO_LDFLAGS) stacktraverse.c
++	$(CC) $(EXECINFO_CFLAGS) $(EXECINFO_LDFLAGS) execinfo.c
++	$(AR) rcs libexecinfo.a stacktraverse.o execinfo.o
+ 
+-SHLIB_MAJOR=	1
+-SHLIB_MINOR=	0
++dynamic:
++	$(CC) -fpic -DPIC $(EXECINFO_CFLAGS) $(EXECINFO_LDFLAGS) stacktraverse.c -o stacktraverse.So
++	$(CC) -fpic -DPIC $(EXECINFO_CFLAGS) $(EXECINFO_LDFLAGS) execinfo.c -o execinfo.So
++	$(CC) -shared -Wl,-soname,libexecinfo.so.1 -o libexecinfo.so.1 stacktraverse.So execinfo.So
+ 
+-NOPROFILE=	yes
+-
+-DPADD=		${LIBM}
+-LDADD=		-lm
+-
+-#WARNS?=	4
+-
+-#stacktraverse.c: gen.py
+-#	./gen.py > stacktraverse.c
+-
+-.include <bsd.lib.mk>
++clean:
++	rm -rf *.o *.So *.a *.so

pkgs/development/libraries/libexecinfo/default.nix

@@ -0,0 +1,25 @@
+{ stdenv, fetchurl }:
+
+stdenv.mkDerivation rec {
+  name = "libexecinfo-${version}";
+  version = "1.1";
+
+  src = fetchurl {
+    url = "http://distcache.freebsd.org/local-distfiles/itetcu/${name}.tar.bz2";
+    sha256 = "07wvlpc1jk1sj4k5w53ml6wagh0zm9kv2l1jngv8xb7xww9ik8n9";
+  };
+
+  patches = [
+    ./10-execinfo.patch
+    ./20-define-gnu-source.patch
+    ./30-linux-makefile.patch
+  ];
+
+  patchFlags = "-p0";
+
+  installPhase = ''
+    install -Dm644 execinfo.h stacktraverse.h -t $out/include
+    install -Dm755 libexecinfo.{a,so.1} -t $out/lib
+    ln -s $out/lib/libexecinfo.so{.1,}
+  '';
+}

pkgs/top-level/all-packages.nix

@@ -9484,6 +9484,8 @@ with pkgs;
 
   libetpan = callPackage ../development/libraries/libetpan { };
 
+  libexecinfo = callPackage ../development/libraries/libexecinfo { };
+
   libfaketime = callPackage ../development/libraries/libfaketime { };
 
   libfakekey = callPackage ../development/libraries/libfakekey { };