From 09bcb3e48175400311df5c55337f7c6ad89be201 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=BCrgen=20Buchm=C3=BCller?= <pullmoll@t-online.de>
Date: Thu, 27 Aug 2015 00:54:48 +0200
Subject: [PATCH] mongodb: unbreak musl

---
 srcpkgs/mongodb/patches/musl-backtrace.patch  | 31 ++++++++++++++++
 .../patches/musl-elf_native_class.patch       | 21 +++++++++++
 .../mongodb/patches/musl-libc_version_h.patch | 37 +++++++++++++++++++
 srcpkgs/mongodb/template                      | 10 ++++-
 4 files changed, 98 insertions(+), 1 deletion(-)
 create mode 100644 srcpkgs/mongodb/patches/musl-backtrace.patch
 create mode 100644 srcpkgs/mongodb/patches/musl-elf_native_class.patch
 create mode 100644 srcpkgs/mongodb/patches/musl-libc_version_h.patch

diff --git a/srcpkgs/mongodb/patches/musl-backtrace.patch b/srcpkgs/mongodb/patches/musl-backtrace.patch
new file mode 100644
index 0000000000..95f90ccb23
--- /dev/null
+++ b/srcpkgs/mongodb/patches/musl-backtrace.patch
@@ -0,0 +1,31 @@
+There is no walkcontext(3) for musl libc, so we effectively
+disable backtracing symbols without removing the functions.
+They just always return zero symbols.
+
+--- src/mongo/platform/backtrace.cpp	2015-08-24 02:39:52.000000000 +0200
++++ src/mongo/platform/backtrace.cpp	2015-08-26 19:27:26.738866698 +0200
+@@ -81,7 +81,7 @@
+ // to Linux's display, but slightly different.
+ //
+ int addrtosymstr(void* address, char* outputBuffer, int outputBufferSize) {
+-    Dl_info_t symbolInfo;
++    Dl_info symbolInfo;
+     if (dladdr(address, &symbolInfo) == 0) {  // no info: "[address]"
+         return snprintf(outputBuffer, outputBufferSize, "[0x%p]", address);
+     }
+@@ -113,10 +113,15 @@
++#if defined(__sunos__)
+     if (getcontext(&context) != 0) {
+         return 0;
+     }
+     int wcReturn = walkcontext(
+         &context,
+         reinterpret_cast<WalkcontextCallbackFunc>(WalkcontextCallback::callbackFunction),
+         static_cast<void*>(&walkcontextCallback));
++#else
++    // We have no walkcontext(3) for musl libc
++    int wcReturn = -1;
++#endif
+     if (wcReturn == 0) {
+         return walkcontextCallback.getCount();
+     }
diff --git a/srcpkgs/mongodb/patches/musl-elf_native_class.patch b/srcpkgs/mongodb/patches/musl-elf_native_class.patch
new file mode 100644
index 0000000000..893a437ed0
--- /dev/null
+++ b/srcpkgs/mongodb/patches/musl-elf_native_class.patch
@@ -0,0 +1,21 @@
+Add a definition for the macro __ELF_NATIVE_CLASS which depends
+on the native arch's word size.
+
+--- src/mongo/util/stacktrace_posix.cpp	2015-08-24 02:39:52.000000000 +0200
++++ src/mongo/util/stacktrace_posix.cpp	2015-08-26 18:59:52.290831910 +0200
+@@ -37,6 +37,15 @@
+ #include <string>
+ #include <sys/utsname.h>
+ 
++#if !defined(__GLIBC__)
++#if defined __x86_64__ && !defined __ILP32__
++# define __WORDSIZE	64
++#else
++# define __WORDSIZE	32
++#endif
++#define __ELF_NATIVE_CLASS __WORDSIZE
++#endif
++
+ #include "mongo/base/init.h"
+ #include "mongo/db/jsobj.h"
+ #include "mongo/platform/backtrace.h"
diff --git a/srcpkgs/mongodb/patches/musl-libc_version_h.patch b/srcpkgs/mongodb/patches/musl-libc_version_h.patch
new file mode 100644
index 0000000000..43cd8dad29
--- /dev/null
+++ b/srcpkgs/mongodb/patches/musl-libc_version_h.patch
@@ -0,0 +1,37 @@
+--- src/mongo/util/processinfo_linux2.cpp	2015-08-24 02:39:52.000000000 +0200
++++ src/mongo/util/processinfo_linux2.cpp	2015-08-26 18:47:57.444816879 +0200
+@@ -34,7 +34,9 @@
+ #include <stdio.h>
+ #include <unistd.h>
+ #include <sys/mman.h>
++#if defined(__GLIBC__)
+ #include <gnu/libc-version.h>
++#endif
+ #include <sys/utsname.h>
+ 
+ #include "processinfo.h"
+@@ -420,12 +422,14 @@
+ }
+ 
+ void ProcessInfo::getExtraInfo(BSONObjBuilder& info) {
++#if defined(__GLIBC__)
+     // [dm] i don't think mallinfo works. (64 bit.)  ??
+     struct mallinfo malloc_info =
+         mallinfo();  // structure has same name as function that returns it. (see malloc.h)
+     info.append("heap_usage_bytes",
+                 malloc_info.uordblks /*main arena*/ + malloc_info.hblkhd /*mmap blocks*/);
+     // docs claim hblkhd is included in uordblks but it isn't
++#endif
+ 
+     LinuxProc p(_pid);
+     info.appendNumber("page_faults", static_cast<long long>(p._maj_flt));
+@@ -460,7 +464,9 @@
+ 
+     BSONObjBuilder bExtra;
+     bExtra.append("versionString", LinuxSysHelper::readLineFromFile("/proc/version"));
++#if defined(__GLIBC__)
+     bExtra.append("libcVersion", gnu_get_libc_version());
++#endif
+     if (!verSig.empty())
+         // optional
+         bExtra.append("versionSignature", verSig);
diff --git a/srcpkgs/mongodb/template b/srcpkgs/mongodb/template
index 4a337436d9..80d60e1b4d 100644
--- a/srcpkgs/mongodb/template
+++ b/srcpkgs/mongodb/template
@@ -1,7 +1,7 @@
 # Template file for 'mongodb'
 pkgname=mongodb
 version=3.0.6
-revision=1
+revision=2
 hostmakedepends="scons"
 makedepends="boost-devel pcre-devel snappy-devel libressl-devel libpcap-devel gperftools-devel"
 conf_files="/etc/mongodb/mongodb.conf"
@@ -36,6 +36,14 @@ do_configure() {
 	find . -name SConstruct -print0 | xargs -0 sed -i "s/-Werror/-Wno-error/g"
 }
 
+post_configure() {
+	case "$XBPS_TARGET_MACHINE" in
+	*-musl) # Disable strtouq(3)
+		sed -i src/third_party/wiredtiger/build_linux/wiredtiger_config.h \
+			-e "s;#define HAVE_STRTOUQ 1;#undef HAVE_STRTOUQ;"
+	esac
+}
+
 do_build() {
 	scons core ${makejobs} \
 		--cc=$CC \