diff options
Diffstat (limited to 'gcc/configure.in')
| -rw-r--r-- | gcc/configure.in | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/configure.in b/gcc/configure.in index 054cd5ca9aa..303f02cff7f 100644 --- a/gcc/configure.in +++ b/gcc/configure.in @@ -383,6 +383,30 @@ AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=]) # See if GNAT has been installed AC_CHECK_PROG(gnat, gnatbind, 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, + [GNU texinfo.* \([0-9][0-9.]*\)], + [3.1[2-9] | 3.[2-9][0-9] | 4.* | 1.6[89] | 1.7[0-9]]) +fi + +if test $gcc_cv_prog_makeinfo_modern = no; then + AC_MSG_WARN([ +*** Makeinfo is missing or too old. +*** Info documentation will not be built or installed.]) + BUILD_INFO= + INSTALL_INFO= +else + BUILD_INFO=info AC_SUBST(BUILD_INFO) + INSTALL_INFO=install-info AC_SUBST(INSTALL_INFO) +fi + # See if the stage1 system preprocessor understands the ANSI C # preprocessor stringification operator. AC_C_STRINGIZE |
