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author | zack <zack@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-12-16 18:23:00 +0000 |
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committer | zack <zack@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-12-16 18:23:00 +0000 |
commit | 805e22b2051e9c6a75377ea6599654d7415da483 (patch) | |
tree | c259697c448b0c6f548f153c48c46a8d7a75970f /fastjar/acinclude.m4 | |
parent | 2c27ce73ee2229b0871c4ccad2342d8a4be85eff (diff) | |
download | gcc-805e22b2051e9c6a75377ea6599654d7415da483.tar.gz |
Merge basic-improvements-branch to trunk
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@60174 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'fastjar/acinclude.m4')
-rw-r--r-- | fastjar/acinclude.m4 | 112 |
1 files changed, 1 insertions, 111 deletions
diff --git a/fastjar/acinclude.m4 b/fastjar/acinclude.m4 index 0a45d735bd2..67c6559300c 100644 --- a/fastjar/acinclude.m4 +++ b/fastjar/acinclude.m4 @@ -1,114 +1,4 @@ - -dnl Host type sizes probe. -dnl By Kaveh R. Ghazi. One typo fixed since. -dnl -AC_DEFUN([gcc_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 $3 ; 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 $1]) -undefine([AC_TYPE_NAME])dnl -undefine([AC_CV_NAME])dnl -]) - -dnl Utility macro used by next two tests. -dnl AC_EXAMINE_OBJECT(C source code, -dnl commands examining object file, -dnl [commands to run if compile failed]): -dnl -dnl Compile the source code to an object file; then convert it into a -dnl printable representation. All unprintable characters and -dnl asterisks (*) are replaced by dots (.). All white space is -dnl deleted. Newlines (ASCII 0x10) in the input are preserved in the -dnl output, but runs of newlines are compressed to a single newline. -dnl Finally, line breaks are forcibly inserted so that no line is -dnl longer than 80 columns and the file ends with a newline. The -dnl result of all this processing is in the file conftest.dmp, which -dnl may be examined by the commands in the second argument. -dnl -AC_DEFUN([gcc_AC_EXAMINE_OBJECT], -[AC_LANG_SAVE -AC_LANG_C -dnl Next bit cribbed from AC_TRY_COMPILE. -cat > conftest.$ac_ext <<EOF -[#line __oline__ "configure" -#include "confdefs.h" -$1 -]EOF -if AC_TRY_EVAL(ac_compile); then - od -c conftest.o | - sed ['s/^[0-7]*[ ]*/ / - s/\*/./g - s/ \\n/*/g - s/ [0-9][0-9][0-9]/./g - s/ \\[^ ]/./g'] | - tr -d ' - ' | tr -s '*' ' -' | fold | sed '$a\ -' > conftest.dmp - $2 -ifelse($3, , , else - $3 -)dnl -fi -rm -rf conftest* -AC_LANG_RESTORE]) - -dnl Host endianness probe. -dnl Differs from AC_C_BIGENDIAN in that it does not require -dnl running a program on the host. -dnl -AC_DEFUN([fastjar_AC_COMPILE_C_BIGENDIAN], -[AC_CACHE_CHECK(byte ordering, ac_cv_c_compile_endian, -[ac_cv_c_compile_endian=unknown -gcc_AC_EXAMINE_OBJECT([ -#ifdef HAVE_LIMITS_H -# include <limits.h> -#endif -/* This structure must have no internal padding. */ - struct { - char prefix[sizeof "\nendian:" - 1]; - short word; - char postfix[2]; - } tester = { - "\nendian:", -#if SIZEOF_SHORT == 4 - ('A' << (CHAR_BIT * 3)) | ('B' << (CHAR_BIT * 2)) | -#endif - ('A' << CHAR_BIT) | 'B', - 'X', '\n' -};], - [if grep 'endian:AB' conftest.dmp >/dev/null 2>&1; then - ac_cv_c_compile_endian=big-endian - elif grep 'endian:BA' conftest.dmp >/dev/null 2>&1; then - ac_cv_c_compile_endian=little-endian - fi]) -]) -if test $ac_cv_c_compile_endian = unknown; then - AC_MSG_ERROR([*** unable to determine endianness]) -elif test $ac_cv_c_compile_endian = big-endian; then - AC_DEFINE(WORDS_BIG_ENDIAN, 1, - [Define if the host machine stores words of multi-word integers in - big-endian order.]) -fi -]) +sinclude(../config/accross.m4) dnl Define MKDIR_TAKES_ONE_ARG if mkdir accepts only one argument instead dnl of the usual 2. |