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-rw-r--r--autoconfig.cpp128
1 files changed, 64 insertions, 64 deletions
diff --git a/autoconfig.cpp b/autoconfig.cpp
index c2649ad..28362ec 100644
--- a/autoconfig.cpp
+++ b/autoconfig.cpp
@@ -8,87 +8,87 @@ FILE *fOut = NULL;
8 8
9bool testCpp( const char *prog ) 9bool testCpp( const char *prog )
10{ 10{
11 FILE *pop = popen("g++ -x c++ - -o /dev/null", "w"); 11 FILE *pop = popen("g++ -x c++ - -o /dev/null", "w");
12 fwrite( prog, 1, strlen( prog ), pop ); 12 fwrite( prog, 1, strlen( prog ), pop );
13 return pclose(pop) == 0; 13 return pclose(pop) == 0;
14} 14}
15 15
16void detectEndianness() 16void detectEndianness()
17{ 17{
18 printf("Detecting endian support..."); 18 printf("Detecting endian support...");
19 fflush( stdout ); 19 fflush( stdout );
20 if( testCpp("#include <endian.h>\n\nint main() { return BYTE_ORDER; }\n") ) 20 if( testCpp("#include <endian.h>\n\nint main() { return BYTE_ORDER; }\n") )
21 { 21 {
22 fprintf( fOut, "#include <endian.h>\n\n"); 22 fprintf( fOut, "#include <endian.h>\n\n");
23 printf("header file endian.h found, using that.\n"); 23 printf("header file endian.h found, using that.\n");
24 } 24 }
25 else 25 else
26 { 26 {
27 uint16_t x=0x0100; 27 uint16_t x=0x0100;
28 fprintf( fOut, 28 fprintf( fOut,
29 "#define LITTLE_ENDIAN 0\n" 29 "#define LITTLE_ENDIAN 0\n"
30 "#define BIG_ENDIAN 1\n" 30 "#define BIG_ENDIAN 1\n"
31 "#define BYTE_ORDER %d\n\n", 31 "#define BYTE_ORDER %d\n\n",
32 ((uint8_t *)&x)[0] 32 ((uint8_t *)&x)[0]
33 ); 33 );
34 printf("no header file found, faking it...\n" 34 printf("no header file found, faking it...\n"
35 "\tArchetecture is: %s Endian\n", 35 "\tArchetecture is: %s Endian\n",
36 ((uint8_t *)&x)[0]?"Big":"Little" 36 ((uint8_t *)&x)[0]?"Big":"Little"
37 ); 37 );
38 } 38 }
39} 39}
40 40
41int main( int argc, char *argv[] ) 41int main( int argc, char *argv[] )
42{ 42{
43 if( argc == 1 ) 43 if( argc == 1 )
44 { 44 {
45 fprintf( stderr, 45 fprintf( stderr,
46 "Invalid usage: specify a file to generate:\n" 46 "Invalid usage: specify a file to generate:\n"
47 " src/autoconfig.h\n" 47 " src/autoconfig.h\n"
48 " src/version.h\n" 48 " src/version.h\n"
49 "\n" 49 "\n"
50 ); 50 );
51 return 127; 51 return 127;
52 } 52 }
53 if( strcmp( argv[1], "src/autoconfig.h" ) == 0 ) 53 if( strcmp( argv[1], "src/autoconfig.h" ) == 0 )
54 { 54 {
55 fOut = fopen( argv[1], "w" ); 55 fOut = fopen( argv[1], "w" );
56 fprintf( fOut, 56 fprintf( fOut,
57 "#ifndef BU_AUTO_CONFIG_H\n" 57 "#ifndef BU_AUTO_CONFIG_H\n"
58 "#define BU_AUTO_CONFIG_H\n\n" 58 "#define BU_AUTO_CONFIG_H\n\n"
59 ); 59 );
60 60
61 detectEndianness(); 61 detectEndianness();
62 62
63 fprintf( fOut, "#endif\n"); 63 fprintf( fOut, "#endif\n");
64 } 64 }
65 else if( strcmp( argv[1], "src/version.h" ) == 0 ) 65 else if( strcmp( argv[1], "src/version.h" ) == 0 )
66 { 66 {
67 FILE *fVer = fopen("version", "rt"); 67 FILE *fVer = fopen("version", "rt");
68 char buf[1024]; 68 char buf[1024];
69 buf[fread( buf, 1, 1024, fVer )] = '\0'; 69 buf[fread( buf, 1, 1024, fVer )] = '\0';
70 for( int j = 0; buf[j]; j++ ) 70 for( int j = 0; buf[j]; j++ )
71 if( buf[j] == '\n' ) 71 if( buf[j] == '\n' )
72 buf[j] = '\0'; 72 buf[j] = '\0';
73 fclose( fVer ); 73 fclose( fVer );
74 74
75 fOut = fopen( argv[1], "w" ); 75 fOut = fopen( argv[1], "w" );
76 fprintf( fOut, 76 fprintf( fOut,
77 "#ifndef BU_VERSION_H\n" 77 "#ifndef BU_VERSION_H\n"
78 "#define BU_VERSION_H\n\n" 78 "#define BU_VERSION_H\n\n"
79 "#define LIBBU_VERSION 0\n" 79 "#define LIBBU_VERSION 0\n"
80 "#define LIBBU_REVISION 1\n" 80 "#define LIBBU_REVISION 1\n"
81 "#define LIBBU_VERSION_STR \"%s\"\n" 81 "#define LIBBU_VERSION_STR \"%s\"\n"
82 "#define LIBBU_API 0\n" 82 "#define LIBBU_API 0\n"
83 "#define LIBBU_VC_ID \"", 83 "#define LIBBU_VC_ID \"",
84 buf 84 buf
85 ); 85 );
86 FILE *psub = popen("svnversion -n", "r"); 86 FILE *psub = popen("svnversion -n", "r");
87 fwrite( buf, fread( buf, 1, 1024, psub ), 1, fOut ); 87 fwrite( buf, fread( buf, 1, 1024, psub ), 1, fOut );
88 pclose( psub ); 88 pclose( psub );
89 fprintf( fOut, "\"\n\n#endif\n"); 89 fprintf( fOut, "\"\n\n#endif\n");
90 } 90 }
91 91
92 return 0; 92 return 0;
93} 93}
94 94