53 lines
1.2 KiB
Plaintext
53 lines
1.2 KiB
Plaintext
AC_INIT(packihx.c)
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AC_CONFIG_HEADER(config.h:config_in.h)
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AC_PREREQ(2.13)
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AC_PROG_CC
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# Defaults are for gcc on a 32 bit machine
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if test "$ac_cv_prog_cc_cross" = "yes"; then
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AC_MSG_WARN("Cannot determine the sizeof basic types while cross compiling. Using gcc on a 32 bit machine defaults.")
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fi
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AC_CHECK_SIZEOF(char, 1)
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AC_CHECK_SIZEOF(short, 2)
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AC_CHECK_SIZEOF(int, 4)
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AC_CHECK_SIZEOF(long, 4)
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AC_CHECK_SIZEOF(long long, 8)
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type_name()
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{
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if expr "$ac_cv_sizeof_char" '>=' "$1" >/dev/null; then
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echo "char"
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exit
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fi
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if expr "$ac_cv_sizeof_short" '>=' "$1" >/dev/null; then
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echo "short"
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exit
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fi
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if expr "$ac_cv_sizeof_int" '>=' "$1" >/dev/null; then
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echo "int"
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exit
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fi
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if expr "$ac_cv_sizeof_long" '>=' "$1" >/dev/null; then
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echo "long"
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exit
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fi
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if expr "$ac_cv_sizeof_long_long" '>=' "$1" >/dev/null; then
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echo "long long"
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exit
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fi
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echo "long long"
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}
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AC_MSG_CHECKING(type name for byte)
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TYPE_BYTE=`type_name 1`
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AC_MSG_RESULT($TYPE_BYTE)
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AC_MSG_CHECKING(type name for word)
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TYPE_WORD=`type_name 2`
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AC_MSG_RESULT($TYPE_WORD)
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AC_DEFINE_UNQUOTED(TYPE_BYTE, $TYPE_BYTE)
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AC_DEFINE_UNQUOTED(TYPE_WORD, $TYPE_WORD)
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AC_OUTPUT(Makefile)
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