1 files changed, 127 insertions, 0 deletions
diff --git a/config/parse-types.sh b/config/parse-types.sh
new file mode 100755
index 0000000..24d2a99
--- /dev/null
+++ b/config/parse-types.sh
@@ -0,0 +1,127 @@
+#!/bin/sh
+
+cat > sed.script << "EOF"
+/^#/d
+/^$/d
+s/__extension__ //
+s/typedef \(.*\) __u\([1-9]*\);/#define __U\2_TYPEDEF \1/
+s/typedef \(.*\) __s\([1-9]*\);/#define __S\2_TYPEDEF \1/
+EOF
+
+if test -z "$CC"; then
+    CC=gcc
+fi
+
+if test -z "$CPP"; then
+    CPP="$CC -E"
+fi
+
+/bin/echo -n "checking for __uNN types... "
+# can't check [ -f /usr/include/asm/types.h ] directly, since
+# the include path might be different if cross-compiling
+if echo '#include <asm/types.h>' | $CPP - 2> parse-types.log | \
+	sed -f sed.script | grep '^#' > asm_types.h; then
+	echo "using <asm/types.h>"
+else
+	echo "using generic types"
+fi
+
+rm sed.script
+
+cp asm_types.h asm_types.c
+
+cat >> asm_types.c <<EOF
+#include <stdio.h>
+#include <stdlib.h>
+int main(int argc, char **argv)
+{
+#ifdef __U8_TYPEDEF
+	if (sizeof(__U8_TYPEDEF) != 1) {
+		printf("Sizeof(__U8__TYPEDEF) is %d should be 1\n", 
+		       (int) sizeof(__U8_TYPEDEF));
+		exit(1);
+	}
+#elif defined(__linux__)
+#warning __U8_TYPEDEF not defined
+#endif
+#ifdef __S8_TYPEDEF
+	if (sizeof(__S8_TYPEDEF) != 1) {
+		printf("Sizeof(_S8__TYPEDEF) is %d should be 1\n", 
+		       (int) sizeof(__S8_TYPEDEF));
+		exit(1);
+	}
+#elif defined(__linux__)
+#warning __S8_TYPEDEF not defined
+#endif
+#ifdef __U16_TYPEDEF
+	if (sizeof(__U16_TYPEDEF) != 2) {
+		printf("Sizeof(__U16__TYPEDEF) is %d should be 2\n", 
+		       (int) sizeof(__U16_TYPEDEF));
+		exit(1);
+	}
+#elif defined(__linux__)
+#warning __U16_TYPEDEF not defined
+#endif
+#ifdef __S16_TYPEDEF
+	if (sizeof(__S16_TYPEDEF) != 2) {
+		printf("Sizeof(__S16__TYPEDEF) is %d should be 2\n", 
+		       (int) sizeof(__S16_TYPEDEF));
+		exit(1);
+	}
+#elif defined(__linux__)
+#warning __S16_TYPEDEF not defined
+#endif
+
+#ifdef __U32_TYPEDEF
+	if (sizeof(__U32_TYPEDEF) != 4) {
+		printf("Sizeof(__U32__TYPEDEF) is %d should be 4\n", 
+		       (int) sizeof(__U32_TYPEDEF));
+		exit(1);
+	}
+#elif defined(__linux__)
+#warning __U32_TYPEDEF not defined
+#endif
+#ifdef __S32_TYPEDEF
+	if (sizeof(__S32_TYPEDEF) != 4) {
+		printf("Sizeof(__S32__TYPEDEF) is %d should be 4\n", 
+		       (int) sizeof(__S32_TYPEDEF));
+		exit(1);
+	}
+#elif defined(__linux__)
+#warning __S32_TYPEDEF not defined
+#endif
+
+#ifdef __U64_TYPEDEF
+	if (sizeof(__U64_TYPEDEF) != 8) {
+		printf("Sizeof(__U64__TYPEDEF) is %d should be 8\n", 
+		       (int) sizeof(__U64_TYPEDEF));
+		exit(1);
+	}
+#elif defined(__linux__)
+#warning __U64_TYPEDEF not defined
+#endif
+#ifdef __S64_TYPEDEF
+	if (sizeof(__S64_TYPEDEF) != 8) {
+		printf("Sizeof(__S64__TYPEDEF) is %d should be 8\n", 
+		       (int) sizeof(__S64_TYPEDEF));
+		exit(1);
+	}
+#elif defined(__linux__)
+#warning __S64_TYPEDEF not defined
+#endif
+	return 0;
+}
+EOF
+
+${BUILD_CC-${CC-gcc}} -o asm_types asm_types.c
+if ./asm_types
+then
+    true
+else
+    if [ "${CROSS_COMPILE}" != "1" ]; then
+	echo "Problem detected with asm_types.h"
+	echo "" > asm_types.h
+    fi
+fi
+rm asm_types.c asm_types
+