From a697301c44702ee3a8eb7eda67e495cc40d09bb9 Mon Sep 17 00:00:00 2001
From: c9s <yoanlin93@gmail.com>
Date: Wed, 18 Jun 2014 20:47:06 +0800
Subject: [PATCH] strndup polyfill for cmake

---
 CMakeLists.txt     |  4 +++-
 include/r3_str.h   | 13 +++++++++++++
 src/CMakeLists.txt |  2 +-
 src/str.c          |  4 ++++
 4 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7f0c404..0960676 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,7 +15,9 @@ SET(CMAKE_MODULE_PATH
     ${CMAKE_MODULE_PATH}
     )
 
-include_directories(. "${PROJECT_SOURCE_DIR}/include" ${INCLUDE_DIRECTORIES} /opt/local/include)
+include_directories(. ${PROJECT_SOURCE_DIR}/include ${PROJECT_SOURCE_DIR}/src ${PROJECT_SOURCE_DIR}/3rdparty /opt/local/include)
+# include_directories(. ${PROJECT_SOURCE_DIR}/include ${PROJECT_SOURCE_DIR}/src ${PROJECT_SOURCE_DIR}/3rdparty ${PROJECT_SOURCE_DIR})
+
 link_directories(${LINK_DIRECTORIES} /opt/local/lib)
 find_package(PCRE REQUIRED)
 find_package(Judy REQUIRED)
diff --git a/include/r3_str.h b/include/r3_str.h
index 8dc5a64..6771dde 100644
--- a/include/r3_str.h
+++ b/include/r3_str.h
@@ -22,6 +22,19 @@ void str_repeat(char *s, const char *c, int len);
 
 void print_indent(int level);
 
+
+#if _GNU_SOURCE || POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700 || __DARWIN_C_LEVEL >= 200809L
+#define HAVE_STRNDUP
+#endif
+
+#if _SVID_SOURCE || _BSD_SOURCE \
+    || _XOPEN_SOURCE >= 500 \
+    || _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED \
+    || /* Since glibc 2.12: */ _POSIX_C_SOURCE >= 200809L \
+    || __DARWIN_C_LEVEL >= 200809L
+#define HAVE_STRDUP
+#endif
+
 #ifndef HAVE_STRDUP
 char *strdup(const char *s);
 #endif
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 8a000e5..fb41a55 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,4 +1,4 @@
-include_directories("${PROJECT_SOURCE_DIR}/include ${PROJECT_SOURCE_DIR}/src ${PROJECT_SOURCE_DIR}")
+include_directories("${PROJECT_SOURCE_DIR}/include ${PROJECT_SOURCE_DIR}/src ${PROJECT_SOURCE_DIR}/3rdparty ${PROJECT_SOURCE_DIR}")
 # install(TARGETS swiftnav-static DESTINATION lib${LIB_SUFFIX})
 
 set(libr3_SRCS node.c edge.c list.c slug.c str.c token.c)
diff --git a/src/str.c b/src/str.c
index 4f1b188..7bf5099 100644
--- a/src/str.c
+++ b/src/str.c
@@ -207,6 +207,8 @@ void print_indent(int level) {
     }
 }
 
+
+
 #ifndef HAVE_STRDUP
 char *zstrdup(const char *s) {
     char *out;
@@ -222,6 +224,8 @@ char *zstrdup(const char *s) {
 }
 #endif
 
+
+
 #ifndef HAVE_STRNDUP
 char *zstrndup(const char *s, int n) {
     char *out;