[PATCH v2 25/25] Including <malloc.h> iff it exists.

[Alejandro Colomar]

---
 auto/headers   | 13 +++++++++++++
 src/nxt_unix.h |  6 ++++--
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/auto/headers b/auto/headers
index 4449a999..33cad6aa 100644
--- a/auto/headers
+++ b/auto/headers
@@ -42,6 +42,19 @@ nxt_feature_test="#include <linux/openat2.h>
 . auto/feature
 
 
+nxt_feature="<malloc.h>"
+nxt_feature_name=NXT_HAVE_MALLOC_H
+nxt_feature_run=no
+nxt_feature_incs=
+nxt_feature_libs=
+nxt_feature_test="#include <malloc.h>
+
+                  int main(void) {
+                      return 0;
+                  }"
+. auto/feature
+
+
 nxt_feature="<malloc_np.h>"
 nxt_feature_name=NXT_HAVE_MALLOC_NP_H
 nxt_feature_run=no
diff --git a/src/nxt_unix.h b/src/nxt_unix.h
index 60062610..891375fc 100644
--- a/src/nxt_unix.h
+++ b/src/nxt_unix.h
@@ -11,6 +11,10 @@
 
 #include <sys/syscall.h>
 
+#if (NXT_HAVE_MALLOC_H)
+#include <malloc.h>
+#endif
+
 
 #if (NXT_LINUX)
 
@@ -32,8 +36,6 @@
 
 #define _FILE_OFFSET_BITS  64
 
-#include <malloc.h>                 /* malloc_usable_size(). */
-
 #if (__GLIBC__ >= 2 && __GLIBC_MINOR__ >= 4)
 /*
  * POSIX semaphores using NPTL atomic/futex operations
-- 
2.36.1