parse-types.sh revision e0ed7404719a9ddd2ba427a80db5365c8bad18c0 
1#!/bin/sh
2
3cat > sed.script << "EOF"
4/^#/d
5/^$/d
6s/__extension__ //
7s/typedef \(.*\) __u\([1-9]*\);/#define __U\2_TYPEDEF \1/
8s/typedef \(.*\) __s\([1-9]*\);/#define __S\2_TYPEDEF \1/
9EOF
10
11if test -z "$CC"; then
12    CC=gcc
13fi
14
15if test -z "$CPP"; then
16    CPP="$CC -E"
17fi
18
19/bin/echo -n "checking for __uNN types... "
20# can't check [ -f /usr/include/asm/types.h ] directly, since
21# the include path might be different if cross-compiling
22if echo '#include <asm/types.h>' | $CPP - 2> parse-types.log | \
23	sed -f sed.script | grep '^#' > asm_types.h; then
24	echo "using <asm/types.h>"
25else
26	echo "using generic types"
27fi
28
29rm sed.script
30
31cp asm_types.h asm_types.c
32
33cat >> asm_types.c <<EOF
34#include <stdio.h>
35#include <stdlib.h>
36int main(int argc, char **argv)
37{
38#ifdef __U8_TYPEDEF
39	if (sizeof(__U8_TYPEDEF) != 1) {
40		printf("Sizeof(__U8__TYPEDEF) is %d should be 1\n", 
41		       (int) sizeof(__U8_TYPEDEF));
42		exit(1);
43	}
44#elif defined(__linux__)
45#warning __U8_TYPEDEF not defined
46#endif
47#ifdef __S8_TYPEDEF
48	if (sizeof(__S8_TYPEDEF) != 1) {
49		printf("Sizeof(_S8__TYPEDEF) is %d should be 1\n", 
50		       (int) sizeof(__S8_TYPEDEF));
51		exit(1);
52	}
53#elif defined(__linux__)
54#warning __S8_TYPEDEF not defined
55#endif
56#ifdef __U16_TYPEDEF
57	if (sizeof(__U16_TYPEDEF) != 2) {
58		printf("Sizeof(__U16__TYPEDEF) is %d should be 2\n", 
59		       (int) sizeof(__U16_TYPEDEF));
60		exit(1);
61	}
62#elif defined(__linux__)
63#warning __U16_TYPEDEF not defined
64#endif
65#ifdef __S16_TYPEDEF
66	if (sizeof(__S16_TYPEDEF) != 2) {
67		printf("Sizeof(__S16__TYPEDEF) is %d should be 2\n", 
68		       (int) sizeof(__S16_TYPEDEF));
69		exit(1);
70	}
71#elif defined(__linux__)
72#warning __S16_TYPEDEF not defined
73#endif
74
75#ifdef __U32_TYPEDEF
76	if (sizeof(__U32_TYPEDEF) != 4) {
77		printf("Sizeof(__U32__TYPEDEF) is %d should be 4\n", 
78		       (int) sizeof(__U32_TYPEDEF));
79		exit(1);
80	}
81#elif defined(__linux__)
82#warning __U32_TYPEDEF not defined
83#endif
84#ifdef __S32_TYPEDEF
85	if (sizeof(__S32_TYPEDEF) != 4) {
86		printf("Sizeof(__S32__TYPEDEF) is %d should be 4\n", 
87		       (int) sizeof(__S32_TYPEDEF));
88		exit(1);
89	}
90#elif defined(__linux__)
91#warning __S32_TYPEDEF not defined
92#endif
93
94#ifdef __U64_TYPEDEF
95	if (sizeof(__U64_TYPEDEF) != 8) {
96		printf("Sizeof(__U64__TYPEDEF) is %d should be 8\n", 
97		       (int) sizeof(__U64_TYPEDEF));
98		exit(1);
99	}
100#elif defined(__linux__)
101#warning __U64_TYPEDEF not defined
102#endif
103#ifdef __S64_TYPEDEF
104	if (sizeof(__S64_TYPEDEF) != 8) {
105		printf("Sizeof(__S64__TYPEDEF) is %d should be 8\n", 
106		       (int) sizeof(__S64_TYPEDEF));
107		exit(1);
108	}
109#elif defined(__linux__)
110#warning __S64_TYPEDEF not defined
111#endif
112	return 0;
113}
114EOF
115
116${BUILD_CC-${CC-gcc}} -o asm_types asm_types.c
117if ./asm_types
118then
119    true
120else
121    echo "Problem detected with asm_types.h"
122    echo "" > asm_types.h
123fi
124rm asm_types.c asm_types
125
126