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egrep and ar are also mandatory

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This commit is contained in:
Yang Tse
2008-07-04 04:03:56 +00:00
parent d5c3a696fc
commit 13f4c3ea54
1 changed files with 42 additions and 10 deletions
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configure.ac
+42 -10
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@@ -5,21 +5,53 @@ AM_CONFIG_HEADER([config.h])
AM_MAINTAINER_MODE
AM_INIT_AUTOMAKE
dnl sed is mandatory for configure process
AC_PATH_PROG([SED], [sed], [not found],
dnl SED is mandatory for configure process and libtool.
dnl Set it now and prevent it from being changed later.
AC_PATH_PROG([SED], [sed], [not_found],
[$PATH:/usr/bin:/usr/local/bin])
if test -z "$SED" || test "$SED" = "not_found"; then
AC_MSG_ERROR([sed not found in PATH. Cannot continue without sed.])
fi
ac_cv_prog_sed="$SED"
ac_cv_prog_SED="$SED"
AC_SUBST([SED])
if test -z "$SED" || test "$SED" = "not found"; then
AC_MSG_ERROR([Cannot continue without sed.])
fi
dnl grep is mandatory for configure process
AC_PATH_PROG([GREP], [grep], [not found],
dnl GREP is mandatory for configure process and libtool.
dnl Set it now and prevent it from being changed later.
AC_PATH_PROG([GREP], [grep], [not_found],
[$PATH:/usr/bin:/usr/local/bin])
AC_SUBST([GREP])
if test -z "$GREP" || test "$GREP" = "not found"; then
AC_MSG_ERROR([Cannot continue without grep.])
if test -z "$GREP" || test "$GREP" = "not_found"; then
AC_MSG_ERROR([grep not found in PATH. Cannot continue without grep.])
fi
ac_cv_prog_grep="$GREP"
ac_cv_prog_GREP="$GREP"
AC_SUBST([GREP])
dnl EGREP is mandatory for configure process and libtool.
dnl Set it now and prevent it from being changed later.
if echo a | ($GREP -E '(a|b)') >/dev/null 2>&1; then
AC_MSG_CHECKING([for egrep])
EGREP="$GREP -E"
AC_MSG_RESULT([$EGREP])
else
AC_PATH_PROG([EGREP], [egrep], [not_found],
[$PATH:/usr/bin:/usr/local/bin])
fi
if test -z "$EGREP" || test "$EGREP" = "not_found"; then
AC_MSG_ERROR([egrep not found in PATH. Cannot continue without egrep.])
fi
ac_cv_prog_egrep="$EGREP"
ac_cv_prog_EGREP="$EGREP"
AC_SUBST([EGREP])
dnl AR is mandatory for configure process and libtool.
dnl This is target dependant, so check it as a tool.
AC_PATH_TOOL([AR], [ar], [not_found],
[$PATH:/usr/bin:/usr/local/bin])
if test -z "$AR" || test "$AR" = "not_found"; then
AC_MSG_ERROR([ar not found in PATH. Cannot continue without ar.])
fi
AC_SUBST([AR])
dnl
dnl Detect the canonical host and target build environment