From 4ca97fc6ac8824a07f6cd119dca4983a1e7dfecd Mon Sep 17 00:00:00 2001
From: Chuck Atkins <chuck.atkins@kitware.com>
Date: Tue, 2 Jan 2018 11:12:40 -0500
Subject: [PATCH] SystemTools: Disable getpwnam for static linux builds
On Linux, getpwnam requires a dynamic glibc at runtime so it can't
really be used in a "fully static" build and will cause an excessive
number of linker warnings pertaining to such.
---
CMakeLists.txt | 8 ++++++++
SystemTools.cxx | 3 ++-
2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 351e38d..bec1650 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -494,6 +494,14 @@ IF(KWSYS_USE_SystemTools)
KWSYS_CXX_STAT_HAS_ST_MTIM=${KWSYS_CXX_STAT_HAS_ST_MTIM}
KWSYS_CXX_STAT_HAS_ST_MTIMESPEC=${KWSYS_CXX_STAT_HAS_ST_MTIMESPEC}
)
+
+ # Disable getpwnam for static linux builds since it depends on shared glibc
+ GET_PROPERTY(SHARED_LIBS_SUPPORTED GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS)
+ IF(CMAKE_SYSTEM_NAME MATCHES "Linux" AND NOT SHARED_LIBS_SUPPORTED)
+ SET_PROPERTY(SOURCE SystemTools.cxx APPEND PROPERTY COMPILE_DEFINITIONS
+ HAVE_GETPWNAM=0
+ )
+ ENDIF()
ENDIF()
IF(KWSYS_USE_SystemInformation)
diff --git a/SystemTools.cxx b/SystemTools.cxx
index f547362..a73f542 100644
--- a/SystemTools.cxx
+++ b/SystemTools.cxx
@@ -107,7 +107,8 @@ extern char** environ;
// getpwnam doesn't exist on Windows and Cray Xt3/Catamount
// same for TIOCGWINSZ
-#if defined(_WIN32) || defined(__LIBCATAMOUNT__)
+#if defined(_WIN32) || defined(__LIBCATAMOUNT__) || \
+ (defined(HAVE_GETPWNAM) && HAVE_GETPWNAM == 0)
#undef HAVE_GETPWNAM
#undef HAVE_TTY_INFO
#else
--
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