820 |
esac |
esac |
821 |
]) |
]) |
822 |
|
|
|
# serial 1 -*- Autoconf -*- |
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|
|
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# BISON_AC_PROG_GNU_M4 |
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# -------------------- |
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# Check for GNU m4, at least 1.3 (supports frozen files). |
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AC_DEFUN([BISON_AC_PROG_GNU_M4], |
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[AC_PATH_PROGS(M4, gm4 gnum4 m4, m4) |
|
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AC_CACHE_CHECK([whether m4 supports frozen files], |
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|
[ac_cv_prog_gnu_m4], |
|
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[ac_cv_prog_gnu_m4=no |
|
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if test x"$M4" != x; then |
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case `$M4 --help < /dev/null 2>&1` in |
|
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*reload-state*) ac_cv_prog_gnu_m4=yes ;; |
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esac |
|
|
fi]) |
|
|
])# BISON_AC_PROG_GNU_M4 |
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|
|
|
823 |
AC_DEFUN(BISON_WARNING, |
AC_DEFUN(BISON_WARNING, |
824 |
[AC_MSG_CHECKING(whether compiler accepts $1) |
[AC_MSG_CHECKING(whether compiler accepts $1) |
825 |
AC_SUBST(WARNING_CFLAGS) |
AC_SUBST(WARNING_CFLAGS) |