Initial version.

auto/echo/Makefile

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+
+echo.exe:	echo.c
+	mingw32-gcc -o echo.exe -O2 echo.c

auto/echo/build

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+
+# Copyright (C) Igor Sysoev
+# Copyright (C) NGINX, Inc.
+
+
+$echo 'building an "echo" program'
+
+rm -f $NXT_BUILD_DIR/echo
+
+nxt_echo_test="$CC -o $NXT_BUILD_DIR/echo -O $NXT_CC_OPT
+               auto/echo/echo.c $NXT_LD_OPT"
+
+nxt_echo_err=`$nxt_echo_test 2>&1`
+
+if [ ! -x $NXT_BUILD_DIR/echo ]; then
+    $echo
+    $echo $0: error: cannot build an \"echo\" program:
+    $echo
+    $echo $nxt_echo_test
+    $echo
+    $echo $nxt_echo_err
+    $echo
+    exit 1
+fi
+
+echo=$NXT_BUILD_DIR/echo

auto/echo/echo.c

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+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) NGINX, Inc.
+ *
+ * A portable "echo" program that supports "-n" option:
+ *     echo Hello world!
+ *     echo "Hello world!"
+ *     echo -n Hello world!
+ *     echo
+ *
+ * It also passes "\c" characters as is.
+ */
+
+
+#include <stdio.h>
+#include <string.h>
+
+
+int
+main(int argc, char *const *argv)
+{
+    int  i = 1;
+    int  nl = 1;
+
+    if (argc > 1) {
+        if (strcmp(argv[1], "-n") == 0) {
+            nl = 0;
+            i++;
+        }
+
+        while (i < argc) {
+            printf("%s%s", argv[i], (i == argc - 1) ? "" : " ");
+            i++;
+        }
+    }
+
+    if (nl) {
+        printf("\n");
+    }
+
+    return 0;
+}