From 2bd3cbc5c68bb9b097c382108ae1aed793e08062 Mon Sep 17 00:00:00 2001
From: Antony Dovgal <tony@daylessday.org>
Date: Thu, 13 Oct 2011 09:33:33 +0400
Subject: [PATCH] add autogenerated jemalloc.sh wrapper script

---
 .gitignore         |  1 +
 Makefile.in        |  2 +-
 bin/jemalloc.sh.in |  9 +++++++++
 configure.ac       | 20 +++++++++++++++++++-
 4 files changed, 30 insertions(+), 2 deletions(-)
 create mode 100644 bin/jemalloc.sh.in

diff --git a/.gitignore b/.gitignore
index 32b4c424..1a9bb068 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,3 +21,4 @@
 !test/*.c
 !test/*.exp
 /VERSION
+/bin/jemalloc.sh
diff --git a/Makefile.in b/Makefile.in
index de7492f9..6f66e4d2 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -42,7 +42,7 @@ TEST_LIBRARY_PATH :=
 endif
 
 # Lists of files.
-BINS := @srcroot@bin/pprof
+BINS := @srcroot@bin/pprof @objroot@bin/jemalloc.sh
 CHDRS := @objroot@include/jemalloc/jemalloc@install_suffix@.h \
 	@objroot@include/jemalloc/jemalloc_defs@install_suffix@.h
 CSRCS := @srcroot@src/jemalloc.c @srcroot@src/arena.c @srcroot@src/atomic.c \
diff --git a/bin/jemalloc.sh.in b/bin/jemalloc.sh.in
new file mode 100644
index 00000000..4d13cc6c
--- /dev/null
+++ b/bin/jemalloc.sh.in
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+
+@LD_PRELOAD_VAR@=${libdir}/libjemalloc.@SHLIB_SUFFIX_NAME@.1
+export @LD_PRELOAD_VAR@
+exec "$@"
diff --git a/configure.ac b/configure.ac
index b58aa520..688e0c83 100644
--- a/configure.ac
+++ b/configure.ac
@@ -167,6 +167,9 @@ case "${host_cpu}" in
 esac
 AC_DEFINE_UNQUOTED([CPU_SPINWAIT], [$CPU_SPINWAIT])
 
+LD_PRELOAD_VAR="LD_PRELOAD"
+SHLIB_SUFFIX_NAME="so"
+
 dnl Platform-specific settings.  abi and RPATH can probably be determined
 dnl programmatically, but doing so is error-prone, which makes it generally
 dnl not worth the trouble.
@@ -180,6 +183,8 @@ case "${host}" in
 	abi="macho"
 	AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE])
 	RPATH=""
+	LD_PRELOAD_VAR="DYLD_INSERT_LIBRARIES"
+	SHLIB_SUFFIX_NAME="dylib"
 	;;
   *-*-freebsd*)
 	CFLAGS="$CFLAGS"
@@ -217,6 +222,17 @@ case "${host}" in
 	CPPFLAGS="$CPPFLAGS -D_POSIX_PTHREAD_SEMANTICS"
 	LIBS="$LIBS -lposix4 -lsocket -lnsl"
 	;;
+  *-ibm-aix*)
+	if "$LG_SIZEOF_PTR" = "8"; then
+	  dnl 64bit AIX
+	  LD_PRELOAD_VAR="LDR_PRELOAD64"
+	else
+	  dnl 32bit AIX
+	  LD_PRELOAD_VAR="LDR_PRELOAD"
+	fi
+	abi="xcoff"
+	RPATH="-Wl,-rpath,"
+	;;
   *)
 	AC_MSG_RESULT([Unsupported operating system: ${host}])
 	abi="elf"
@@ -225,6 +241,8 @@ case "${host}" in
 esac
 AC_SUBST([abi])
 AC_SUBST([RPATH])
+AC_SUBST([LD_PRELOAD_VAR])
+AC_SUBST([SHLIB_SUFFIX_NAME])
 
 JE_COMPILABLE([__attribute__ syntax],
               [static __attribute__((unused)) void foo(void){}],
@@ -881,7 +899,7 @@ AC_CONFIG_HEADERS([$cfghdrs_tup])
 
 dnl ============================================================================
 dnl Generate outputs.
-AC_CONFIG_FILES([$cfgoutputs_tup config.stamp])
+AC_CONFIG_FILES([$cfgoutputs_tup config.stamp bin/jemalloc.sh])
 AC_SUBST([cfgoutputs_in])
 AC_SUBST([cfgoutputs_out])
 AC_OUTPUT