Fix cross-compiling issue caused by AC_FUNC_MALLOC

* configure.ac: - Replace AC_FUNC_MALLOC with AC_CHECK_FUNCS([malloc]), as we don't rely on GNU's malloc(0) behavior. Thanks Vanessa McHale for the report. Closes: #11
tlwg · Jan 21, 2019 · 86122fe · 86122fe
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diff --git a/ChangeLog b/ChangeLog
@@ -1,3 +1,13 @@
+2019-01-21  Theppitak Karoonboonyanan  <theppitak@gmail.com>
+
+	Fix cross-compiling issue caused by AC_FUNC_MALLOC
+
+	* configure.ac:
+	  - Replace AC_FUNC_MALLOC with AC_CHECK_FUNCS([malloc]),
+	    as we don't rely on GNU's malloc(0) behavior.
+
+	Thanks Vanessa McHale for the report. Closes: #11
+
 2018-11-23  Theppitak Karoonboonyanan  <theppitak@gmail.com>
 
 	Fix wrong key listing in byte trie

diff --git a/configure.ac b/configure.ac
@@ -132,7 +132,7 @@ AC_SUBST(htmldocdir)
 AM_CONDITIONAL(ENABLE_DOXYGEN_DOC,test "x$enable_doxygen_doc" = "xyes")
 
 # Checks for library functions.
-AC_FUNC_MALLOC
+AC_CHECK_FUNCS([malloc])
 
 AC_CONFIG_FILES([Makefile
                  datrie-0.2.pc