diff options
Diffstat (limited to 'config/acx.m4')
| -rw-r--r-- | config/acx.m4 | 36 |
1 files changed, 34 insertions, 2 deletions
diff --git a/config/acx.m4 b/config/acx.m4 index 5712ab2..107fd76 100644 --- a/config/acx.m4 +++ b/config/acx.m4 @@ -330,11 +330,12 @@ ac_c_preproc_warn_flag=yes])# AC_PROG_CPP_WERROR # understands Ada. We use the user's CC setting, already found. # # Sets the shell variable have_gnat to yes or no as appropriate, and -# substitutes GNATBIND. +# substitutes GNATBIND and GNATMAKE. AC_DEFUN([ACX_PROG_GNAT], [AC_REQUIRE([AC_CHECK_TOOL_PREFIX]) AC_REQUIRE([AC_PROG_CC]) AC_CHECK_TOOL(GNATBIND, gnatbind, no) +AC_CHECK_TOOL(GNATMAKE, gnatmake, no) AC_CACHE_CHECK([whether compiler driver understands Ada], acx_cv_cc_gcc_supports_ada, [cat >conftest.adb <<EOF @@ -355,7 +356,7 @@ if test x"$errors" = x && test -f conftest.$ac_objext; then fi rm -f conftest.*]) -if test x$GNATBIND != xno && test x$acx_cv_cc_gcc_supports_ada != xno; then +if test x$GNATBIND != xno && test x$GNATMAKE != xno && test x$acx_cv_cc_gcc_supports_ada != xno; then have_gnat=yes else have_gnat=no @@ -490,3 +491,34 @@ else fi fi AC_SUBST($2)]) + + +dnl Locate a program and check that its version is acceptable. +dnl ACX_PROG_CHECK_VER(var, name, version-switch, +dnl version-extract-regexp, version-glob) +AC_DEFUN([ACX_CHECK_PROG_VER],[ + AC_CHECK_PROG([$1], [$2], [$2]) + if test -n "[$]$1"; then + # Found it, now check the version. + AC_CACHE_CHECK([for modern $2], + [gcc_cv_prog_$2_modern], + [ac_prog_version=`eval [$]$1 $3 2>&1 | + sed -n 's/^.*patsubst([[$4]],/,\/).*$/\1/p'` + + [case $ac_prog_version in + '') gcc_cv_prog_$2_modern=no;; + $5) gcc_cv_prog_$2_modern=yes;; + *) gcc_cv_prog_$2_modern=no;; + esac] + + if test $gcc_cv_prog_$2_modern = no; then + $1="${CONFIG_SHELL-/bin/sh} $ac_aux_dir/missing $2" + fi + ]) + else + gcc_cv_prog_$2_modern=no + fi + if test $gcc_cv_prog_$2_modern = no; then + $1="${CONFIG_SHELL-/bin/sh} $ac_aux_dir/missing $2" + fi +]) |