[libmediaart] build: Updated configure.ac from autoscan suggestions

[Martyn James Russell <mr src gnome org>]

commit fd735974ae44700a16286b1c28576f2bb212e564
Author: Martyn Russell <martyn lanedo com>
Date:   Mon Jul 28 09:30:43 2014 +0100

    build: Updated configure.ac from autoscan suggestions

 configure.ac |   20 +++++---------------
 1 files changed, 5 insertions(+), 15 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index a0f7fb3..9d9ffba 100644
--- a/configure.ac
+++ b/configure.ac
@@ -98,18 +98,6 @@ AC_SUBST(LT_CURRENT_MINUS_AGE)
 
 IDT_COMPILE_WARNINGS
 
-# Checks for programs.
-AC_PROG_CXX
-AC_PROG_AWK
-AC_PROG_CC
-AC_PROG_CPP
-AC_PROG_INSTALL
-AC_PROG_LN_S
-AC_PROG_MAKE_SET
-AC_PROG_RANLIB
-AC_PROG_MKDIR_P
-AC_PROG_YACC
-
 # Initialize libtool
 LT_PREREQ([2.2])
 LT_INIT([disable-static])
@@ -123,18 +111,20 @@ AC_PROG_INSTALL
 AC_PROG_LN_S
 AC_PROG_MAKE_SET
 AC_PROG_RANLIB
+AC_PROG_MKDIR_P
+AC_PROG_YACC
 
 # Checks for libraries.
 
 # Checks for header files.
-AC_CHECK_HEADERS([stdlib.h string.h unistd.h utime.h])
+AC_CHECK_HEADERS([stdlib.h string.h utime.h])
 
 # Checks for typedefs, structures, and compiler characteristics.
+AC_C_INLINE
 AC_TYPE_SIZE_T
 
 # Checks for library functions.
-AC_CHECK_FUNCS([strstr utime])
-
+AC_CHECK_FUNCS([setenv strstr utime])
 
 CFLAGS="$CFLAGS"