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-rw-r--r--gcc/configure.ac41
1 files changed, 15 insertions, 26 deletions
diff --git a/gcc/configure.ac b/gcc/configure.ac
index 5e01892..96d8e04 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -756,56 +756,45 @@ gcc_AC_PROG_CMP_IGNORE_INITIAL
# See if we have the mktemp command.
AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no)
-# Do we have a single-tree copy of texinfo?
-if test -f $srcdir/../texinfo/Makefile.in; then
- MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo'
- gcc_cv_prog_makeinfo_modern=yes
- AC_MSG_RESULT([Using makeinfo from the unified source tree.])
-else
- # See if makeinfo has been installed and is modern enough
- # that we can use it.
- gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
+MISSING="${CONFIG_SHELL-/bin/sh} $srcdir/../missing"
+
+# See if makeinfo has been installed and is modern enough
+# that we can use it.
+gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
[GNU texinfo.* \([0-9][0-9.]*\)],
[4.[2-9]*])
-fi
-
if test $gcc_cv_prog_makeinfo_modern = no; then
+ MAKEINFO="$MISSING makeinfo"
AC_MSG_WARN([
*** Makeinfo is missing or too old.
*** Info documentation will not be built.])
BUILD_INFO=
else
- BUILD_INFO=info AC_SUBST(BUILD_INFO)
+ BUILD_INFO=info
fi
+AC_SUBST(BUILD_INFO)
# Is pod2man recent enough to regenerate manpages?
AC_MSG_CHECKING([for recent Pod::Man])
if (perl -e 'use 1.10 Pod::Man') >/dev/null 2>&1; then
AC_MSG_RESULT(yes)
- GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES)
+ GENERATED_MANPAGES=generated-manpages
else
AC_MSG_RESULT(no)
GENERATED_MANPAGES=
fi
+AC_SUBST(GENERATED_MANPAGES)
# How about lex?
dnl Don't use AC_PROG_LEX; we insist on flex.
dnl LEXLIB is not useful in gcc.
-if test x${build} = x${host} && test -f $srcdir/../flex/skel.c \
- && test -d ../flex ; then
- FLEX='$(objdir)/../flex/flex'
-else
- AC_CHECK_PROG(FLEX, flex, flex, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing flex)
-fi
+AC_CHECK_PROGS([FLEX], flex, [$MISSING flex])
# Bison?
-# The -L switch is so bison can find its skeleton file.
-if test x${build} = x${host} && test -f $srcdir/../bison/bison.simple \
- && test -d ../bison ; then
- BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/'
-else
- AC_CHECK_PROG(BISON, bison, bison, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing bison)
-fi
+AC_CHECK_PROGS([BISON], bison, [$MISSING bison])
+
+# Binutils are not build modules, unlike bison/flex/makeinfo. So we
+# check for build == host before using them.
# NM
if test x${build} = x${host} && test -f $srcdir/../binutils/nm.c \