From cfa973f0624b23a56c2f7acf0fead2630ea2015a Mon Sep 17 00:00:00 2001
From: "Steven R. Loomis" <srl@icu-project.org>
Date: Fri, 30 Aug 2013 21:20:02 +0000
Subject: [PATCH] ICU-10123 add check for elf.h before using (note, had to add
 U_HAVE_ELF_H)

X-SVN-Rev: 34154
---
 icu4c/source/configure                 | 16 ++++++++++++++++
 icu4c/source/configure.in              |  5 +++++
 icu4c/source/tools/genccode/genccode.c |  4 ++--
 icu4c/source/tools/toolutil/pkg_genc.c |  2 +-
 4 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/icu4c/source/configure b/icu4c/source/configure
index 867be728808..df318e9094e 100755
--- a/icu4c/source/configure
+++ b/icu4c/source/configure
@@ -5420,6 +5420,22 @@ fi
 $as_echo "$enabled" >&6; }
 
 
+# check if elf.h is present.
+for ac_header in elf.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "elf.h" "ac_cv_header_elf_h" "$ac_includes_default"
+if test "x$ac_cv_header_elf_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_ELF_H 1
+_ACEOF
+
+fi
+
+done
+
+if test "x$ac_cv_header_elf_h" = "xyes"; then
+    CONFIG_CPPFLAGS="$CONFIG_CPPFLAGS -DU_HAVE_ELF_H=1";
+fi
 
 U_ENABLE_DYLOAD=1
 enable=yes
diff --git a/icu4c/source/configure.in b/icu4c/source/configure.in
index 457451396bd..c458ba19697 100644
--- a/icu4c/source/configure.in
+++ b/icu4c/source/configure.in
@@ -398,6 +398,11 @@ AC_ARG_ENABLE(tracing,
 AC_MSG_RESULT($enabled)
 AC_SUBST(U_ENABLE_TRACING)
 
+# check if elf.h is present.
+AC_CHECK_HEADERS([elf.h])
+if test "x$ac_cv_header_elf_h" = "xyes"; then
+    CONFIG_CPPFLAGS="$CONFIG_CPPFLAGS -DU_HAVE_ELF_H=1";
+fi
 
 U_ENABLE_DYLOAD=1
 enable=yes
diff --git a/icu4c/source/tools/genccode/genccode.c b/icu4c/source/tools/genccode/genccode.c
index d489fd5d9c3..3950ef57747 100644
--- a/icu4c/source/tools/genccode/genccode.c
+++ b/icu4c/source/tools/genccode/genccode.c
@@ -1,6 +1,6 @@
 /*
  *******************************************************************************
- *   Copyright (C) 1999-2011, International Business Machines
+ *   Copyright (C) 1999-2013, International Business Machines
  *   Corporation and others.  All Rights Reserved.
  *******************************************************************************
  *   file name:  gennames.c
@@ -30,7 +30,7 @@
 #include <time.h>
 #endif
 
-#if U_PLATFORM_IS_LINUX_BASED
+#if U_PLATFORM_IS_LINUX_BASED && U_HAVE_ELF_H
 #   define U_ELF
 #endif
 
diff --git a/icu4c/source/tools/toolutil/pkg_genc.c b/icu4c/source/tools/toolutil/pkg_genc.c
index af5026bc06e..595cb20458e 100644
--- a/icu4c/source/tools/toolutil/pkg_genc.c
+++ b/icu4c/source/tools/toolutil/pkg_genc.c
@@ -19,7 +19,7 @@
 #   endif
 #endif
 
-#if U_PLATFORM_IS_LINUX_BASED
+#if U_PLATFORM_IS_LINUX_BASED && U_HAVE_ELF_H
 #   define U_ELF
 #endif
 
-- 
2.40.0