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(AC_PROG_EGREP, AC_PROG_FGREP): New macros.

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Paul Eggert 2002-05-29 22:30:17 +00:00
parent 709333a5dc
commit 82ff47d803
1 changed files with 25 additions and 0 deletions
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25
lib/autoconf/programs.m4
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@ -259,6 +259,31 @@ AC_DEFUN([AC_PROG_AWK],
[AC_CHECK_PROGS(AWK, gawk mawk nawk awk, )])
# AC_PROG_EGREP
# -------------
AC_DEFUN([AC_PROG_EGREP],
[AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
[if echo a | (grep -E '(a|b)') >/dev/null 2>&1
then ac_cv_prog_egrep='grep -E'
else ac_cv_prog_egrep='egrep'
fi])
EGREP=$ac_cv_prog_egrep
AC_SUBST([EGREP])
])# AC_PROG_EGREP
# AC_PROG_FGREP
# -------------
AC_DEFUN([AC_PROG_FGREP],
[AC_CACHE_CHECK([for fgrep], [ac_cv_prog_fgrep],
[if echo 'ab*c' | (grep -F 'ab*c') >/dev/null 2>&1
then ac_cv_prog_fgrep='grep -F'
else ac_cv_prog_fgrep='fgrep'
fi])
FGREP=$ac_cv_prog_fgrep
AC_SUBST([FGREP])
])# AC_PROG_FGREP
# AC_PROG_INSTALL
# ---------------
AC_DEFUN([AC_PROG_INSTALL],