diff options
Diffstat (limited to 'libsidplay2/sidplay-libs-2.1.0/libsidplay/unix/ac_compile_check_sizeof.m4')
| -rw-r--r-- | libsidplay2/sidplay-libs-2.1.0/libsidplay/unix/ac_compile_check_sizeof.m4 | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/libsidplay2/sidplay-libs-2.1.0/libsidplay/unix/ac_compile_check_sizeof.m4 b/libsidplay2/sidplay-libs-2.1.0/libsidplay/unix/ac_compile_check_sizeof.m4 deleted file mode 100644 index 8ada30a5..00000000 --- a/libsidplay2/sidplay-libs-2.1.0/libsidplay/unix/ac_compile_check_sizeof.m4 +++ /dev/null @@ -1,76 +0,0 @@ -dnl @synopsis AC_COMPILE_CHECK_SIZEOF(TYPE [, HEADERS [, EXTRA_SIZES...]]) -dnl -dnl This macro checks for the size of TYPE using compile checks, not -dnl run checks. You can supply extra HEADERS to look into. the check -dnl will cycle through 1 2 4 8 16 and any EXTRA_SIZES the user -dnl supplies. If a match is found, it will #define SIZEOF_`TYPE' to -dnl that value. Otherwise it will emit a configure time error -dnl indicating the size of the type could not be determined. -dnl -dnl The trick is that C will not allow duplicate case labels. While -dnl this is valid C code: -dnl -dnl switch (0) case 0: case 1:; -dnl -dnl The following is not: -dnl -dnl switch (0) case 0: case 0:; -dnl -dnl Thus, the AC_TRY_COMPILE will fail if the currently tried size -dnl does not match. -dnl -dnl Here is an example skeleton configure.in script, demonstrating the -dnl macro's usage: -dnl -dnl AC_PROG_CC -dnl AC_CHECK_HEADERS(stddef.h unistd.h) -dnl AC_TYPE_SIZE_T -dnl AC_CHECK_TYPE(ssize_t, int) -dnl -dnl headers='#ifdef HAVE_STDDEF_H -dnl #include <stddef.h> -dnl #endif -dnl #ifdef HAVE_UNISTD_H -dnl #include <unistd.h> -dnl #endif -dnl ' -dnl -dnl AC_COMPILE_CHECK_SIZEOF(char) -dnl AC_COMPILE_CHECK_SIZEOF(short) -dnl AC_COMPILE_CHECK_SIZEOF(int) -dnl AC_COMPILE_CHECK_SIZEOF(long) -dnl AC_COMPILE_CHECK_SIZEOF(unsigned char *) -dnl AC_COMPILE_CHECK_SIZEOF(void *) -dnl AC_COMPILE_CHECK_SIZEOF(size_t, $headers) -dnl AC_COMPILE_CHECK_SIZEOF(ssize_t, $headers) -dnl AC_COMPILE_CHECK_SIZEOF(ptrdiff_t, $headers) -dnl AC_COMPILE_CHECK_SIZEOF(off_t, $headers) -dnl -dnl @author Kaveh Ghazi <ghazi@caip.rutgers.edu> -dnl @version $Id: ac_compile_check_sizeof.m4,v 1.1 2002/01/03 20:13:11 s_a_white Exp $ -dnl -AC_DEFUN([AC_COMPILE_CHECK_SIZEOF], -[changequote(<<, >>)dnl -dnl The name to #define. -define(<<AC_TYPE_NAME>>, translit(sizeof_$1, [a-z *], [A-Z_P]))dnl -dnl The cache variable name. -define(<<AC_CV_NAME>>, translit(ac_cv_sizeof_$1, [ *], [_p]))dnl -changequote([, ])dnl -AC_MSG_CHECKING(size of $1) -AC_CACHE_VAL(AC_CV_NAME, -[for ac_size in 4 8 1 2 16 $2 ; do # List sizes in rough order of prevalence. - AC_TRY_COMPILE([#include "confdefs.h" -#include <sys/types.h> -$2 -], [switch (0) case 0: case (sizeof ($1) == $ac_size):;], AC_CV_NAME=$ac_size) - if test x$AC_CV_NAME != x ; then break; fi -done -]) -if test x$AC_CV_NAME = x ; then - AC_MSG_ERROR([cannot determine a size for $1]) -fi -AC_MSG_RESULT($AC_CV_NAME) -AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [The number of bytes in type $1]) -undefine([AC_TYPE_NAME])dnl -undefine([AC_CV_NAME])dnl -]) |