From ce7cbbb0f086881890f4f6e6cfd95f46ad048fad Mon Sep 17 00:00:00 2001 From: Phil Edwards Date: Thu, 26 Aug 2004 23:57:46 +0000 Subject: [PATCH] configure.in: Give a better error message if GMP/MPFR are missing and a language needing them... 2004-08-26 Phil Edwards * configure.in: Give a better error message if GMP/MPFR are missing and a language needing them has been requested. * configure: Regenerated. From-SVN: r86641 --- ChangeLog | 6 ++++ configure | 95 ++++++++++++++++++++++++++++------------------------ configure.in | 15 ++++++--- 3 files changed, 68 insertions(+), 48 deletions(-) diff --git a/ChangeLog b/ChangeLog index 78b823144a8..021169728d8 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2004-08-26 Phil Edwards + + * configure.in: Give a better error message if GMP/MPFR are missing + and a language needing them has been requested. + * configure: Regenerated. + 2004-08-25 Phil Edwards * configure.in: Print a list of available language front-ends if diff --git a/configure b/configure index 7996f9cc28c..72580d11bb9 100755 --- a/configure +++ b/configure @@ -2403,10 +2403,17 @@ if test -d ${srcdir}/gcc; then ;; esac - # Disable language that need GMP if it isn't available. - if test x"$need_gmp" = xyes && test x"$have_gmp" = xno; then - add_this_lang=no - fi + # Disable languages that need GMP if it isn't available. + case ,${enable_languages},:${have_gmp}:${need_gmp} in + *,${language},*:no:yes) + # Specifically requested language; tell them. + { echo "configure: error: GMP with MPFR support is required to build $language" 1>&2; exit 1; } + ;; + *:no:yes) + # Silently disable. + add_this_lang=no + ;; + esac case $add_this_lang in no) @@ -2758,7 +2765,7 @@ do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:2762: checking for $ac_word" >&5 +echo "configure:2769: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_BISON'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -2793,7 +2800,7 @@ do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:2797: checking for $ac_word" >&5 +echo "configure:2804: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_YACC'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -2828,7 +2835,7 @@ do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:2832: checking for $ac_word" >&5 +echo "configure:2839: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_M4'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -2863,7 +2870,7 @@ do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:2867: checking for $ac_word" >&5 +echo "configure:2874: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_FLEX'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -2898,7 +2905,7 @@ do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:2902: checking for $ac_word" >&5 +echo "configure:2909: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_LEX'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -2933,7 +2940,7 @@ do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:2937: checking for $ac_word" >&5 +echo "configure:2944: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_MAKEINFO'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3533,7 +3540,7 @@ test -n "$target_alias" && ncn_target_tool_prefix=$target_alias- # Extract the first word of "${ncn_tool_prefix}ar", so it can be a program name with args. set dummy ${ncn_tool_prefix}ar; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3537: checking for $ac_word" >&5 +echo "configure:3544: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3566,7 +3573,7 @@ if test -z "$ac_cv_prog_AR" ; then # Extract the first word of "ar", so it can be a program name with args. set dummy ar; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3570: checking for $ac_word" >&5 +echo "configure:3577: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AR'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3605,7 +3612,7 @@ fi # Extract the first word of "${ncn_tool_prefix}as", so it can be a program name with args. set dummy ${ncn_tool_prefix}as; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3609: checking for $ac_word" >&5 +echo "configure:3616: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3638,7 +3645,7 @@ if test -z "$ac_cv_prog_AS" ; then # Extract the first word of "as", so it can be a program name with args. set dummy as; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3642: checking for $ac_word" >&5 +echo "configure:3649: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AS'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3677,7 +3684,7 @@ fi # Extract the first word of "${ncn_tool_prefix}dlltool", so it can be a program name with args. set dummy ${ncn_tool_prefix}dlltool; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3681: checking for $ac_word" >&5 +echo "configure:3688: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_DLLTOOL'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3710,7 +3717,7 @@ if test -z "$ac_cv_prog_DLLTOOL" ; then # Extract the first word of "dlltool", so it can be a program name with args. set dummy dlltool; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3714: checking for $ac_word" >&5 +echo "configure:3721: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_DLLTOOL'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3749,7 +3756,7 @@ fi # Extract the first word of "${ncn_tool_prefix}ld", so it can be a program name with args. set dummy ${ncn_tool_prefix}ld; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3753: checking for $ac_word" >&5 +echo "configure:3760: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_LD'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3782,7 +3789,7 @@ if test -z "$ac_cv_prog_LD" ; then # Extract the first word of "ld", so it can be a program name with args. set dummy ld; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3786: checking for $ac_word" >&5 +echo "configure:3793: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_LD'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3821,7 +3828,7 @@ fi # Extract the first word of "${ncn_tool_prefix}nm", so it can be a program name with args. set dummy ${ncn_tool_prefix}nm; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3825: checking for $ac_word" >&5 +echo "configure:3832: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_NM'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3854,7 +3861,7 @@ if test -z "$ac_cv_prog_NM" ; then # Extract the first word of "nm", so it can be a program name with args. set dummy nm; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3858: checking for $ac_word" >&5 +echo "configure:3865: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_NM'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3893,7 +3900,7 @@ fi # Extract the first word of "${ncn_tool_prefix}ranlib", so it can be a program name with args. set dummy ${ncn_tool_prefix}ranlib; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3897: checking for $ac_word" >&5 +echo "configure:3904: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3926,7 +3933,7 @@ if test -z "$ac_cv_prog_RANLIB" ; then # Extract the first word of "ranlib", so it can be a program name with args. set dummy ranlib; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3930: checking for $ac_word" >&5 +echo "configure:3937: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_RANLIB'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3965,7 +3972,7 @@ fi # Extract the first word of "${ncn_tool_prefix}windres", so it can be a program name with args. set dummy ${ncn_tool_prefix}windres; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3969: checking for $ac_word" >&5 +echo "configure:3976: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_WINDRES'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3998,7 +4005,7 @@ if test -z "$ac_cv_prog_WINDRES" ; then # Extract the first word of "windres", so it can be a program name with args. set dummy windres; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4002: checking for $ac_word" >&5 +echo "configure:4009: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_WINDRES'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4037,7 +4044,7 @@ fi # Extract the first word of "${ncn_tool_prefix}objcopy", so it can be a program name with args. set dummy ${ncn_tool_prefix}objcopy; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4041: checking for $ac_word" >&5 +echo "configure:4048: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_OBJCOPY'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4070,7 +4077,7 @@ if test -z "$ac_cv_prog_OBJCOPY" ; then # Extract the first word of "objcopy", so it can be a program name with args. set dummy objcopy; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4074: checking for $ac_word" >&5 +echo "configure:4081: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_OBJCOPY'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4109,7 +4116,7 @@ fi # Extract the first word of "${ncn_tool_prefix}objdump", so it can be a program name with args. set dummy ${ncn_tool_prefix}objdump; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4113: checking for $ac_word" >&5 +echo "configure:4120: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_OBJDUMP'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4142,7 +4149,7 @@ if test -z "$ac_cv_prog_OBJDUMP" ; then # Extract the first word of "objdump", so it can be a program name with args. set dummy objdump; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4146: checking for $ac_word" >&5 +echo "configure:4153: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_OBJDUMP'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4188,7 +4195,7 @@ fi # Extract the first word of "${ncn_target_tool_prefix}ar", so it can be a program name with args. set dummy ${ncn_target_tool_prefix}ar; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4192: checking for $ac_word" >&5 +echo "configure:4199: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_AR_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4221,7 +4228,7 @@ if test -z "$ac_cv_prog_CONFIGURED_AR_FOR_TARGET" ; then # Extract the first word of "ar", so it can be a program name with args. set dummy ar; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4225: checking for $ac_word" >&5 +echo "configure:4232: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_AR_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4260,7 +4267,7 @@ fi # Extract the first word of "${ncn_target_tool_prefix}as", so it can be a program name with args. set dummy ${ncn_target_tool_prefix}as; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4264: checking for $ac_word" >&5 +echo "configure:4271: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_AS_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4293,7 +4300,7 @@ if test -z "$ac_cv_prog_CONFIGURED_AS_FOR_TARGET" ; then # Extract the first word of "as", so it can be a program name with args. set dummy as; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4297: checking for $ac_word" >&5 +echo "configure:4304: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_AS_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4332,7 +4339,7 @@ fi # Extract the first word of "${ncn_target_tool_prefix}dlltool", so it can be a program name with args. set dummy ${ncn_target_tool_prefix}dlltool; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4336: checking for $ac_word" >&5 +echo "configure:4343: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_DLLTOOL_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4365,7 +4372,7 @@ if test -z "$ac_cv_prog_CONFIGURED_DLLTOOL_FOR_TARGET" ; then # Extract the first word of "dlltool", so it can be a program name with args. set dummy dlltool; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4369: checking for $ac_word" >&5 +echo "configure:4376: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_DLLTOOL_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4404,7 +4411,7 @@ fi # Extract the first word of "${ncn_target_tool_prefix}ld", so it can be a program name with args. set dummy ${ncn_target_tool_prefix}ld; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4408: checking for $ac_word" >&5 +echo "configure:4415: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_LD_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4437,7 +4444,7 @@ if test -z "$ac_cv_prog_CONFIGURED_LD_FOR_TARGET" ; then # Extract the first word of "ld", so it can be a program name with args. set dummy ld; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4441: checking for $ac_word" >&5 +echo "configure:4448: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_LD_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4476,7 +4483,7 @@ fi # Extract the first word of "${ncn_target_tool_prefix}nm", so it can be a program name with args. set dummy ${ncn_target_tool_prefix}nm; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4480: checking for $ac_word" >&5 +echo "configure:4487: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_NM_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4509,7 +4516,7 @@ if test -z "$ac_cv_prog_CONFIGURED_NM_FOR_TARGET" ; then # Extract the first word of "nm", so it can be a program name with args. set dummy nm; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4513: checking for $ac_word" >&5 +echo "configure:4520: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_NM_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4548,7 +4555,7 @@ fi # Extract the first word of "${ncn_target_tool_prefix}ranlib", so it can be a program name with args. set dummy ${ncn_target_tool_prefix}ranlib; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4552: checking for $ac_word" >&5 +echo "configure:4559: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_RANLIB_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4581,7 +4588,7 @@ if test -z "$ac_cv_prog_CONFIGURED_RANLIB_FOR_TARGET" ; then # Extract the first word of "ranlib", so it can be a program name with args. set dummy ranlib; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4585: checking for $ac_word" >&5 +echo "configure:4592: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_RANLIB_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4620,7 +4627,7 @@ fi # Extract the first word of "${ncn_target_tool_prefix}windres", so it can be a program name with args. set dummy ${ncn_target_tool_prefix}windres; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4624: checking for $ac_word" >&5 +echo "configure:4631: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_WINDRES_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4653,7 +4660,7 @@ if test -z "$ac_cv_prog_CONFIGURED_WINDRES_FOR_TARGET" ; then # Extract the first word of "windres", so it can be a program name with args. set dummy windres; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4657: checking for $ac_word" >&5 +echo "configure:4664: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_WINDRES_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4738,7 +4745,7 @@ RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6 -echo "configure:4742: checking whether to enable maintainer-specific portions of Makefiles" >&5 +echo "configure:4749: checking whether to enable maintainer-specific portions of Makefiles" >&5 # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given. if test "${enable_maintainer_mode+set}" = set; then enableval="$enable_maintainer_mode" @@ -4785,7 +4792,7 @@ esac # gcc for stageN-gcc and stage-prev for stage(N-1). In case this is not # possible, however, we can resort to mv. echo $ac_n "checking if symbolic links between directories work""... $ac_c" 1>&6 -echo "configure:4789: checking if symbolic links between directories work" >&5 +echo "configure:4796: checking if symbolic links between directories work" >&5 if eval "test \"`echo '$''{'gcc_cv_prog_ln_s_dir'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else diff --git a/configure.in b/configure.in index b43e751ae09..b6c046b3ade 100644 --- a/configure.in +++ b/configure.in @@ -1208,10 +1208,17 @@ if test -d ${srcdir}/gcc; then ;; esac - # Disable language that need GMP if it isn't available. - if test x"$need_gmp" = xyes && test x"$have_gmp" = xno; then - add_this_lang=no - fi + # Disable languages that need GMP if it isn't available. + case ,${enable_languages},:${have_gmp}:${need_gmp} in + *,${language},*:no:yes) + # Specifically requested language; tell them. + AC_MSG_ERROR([GMP with MPFR support is required to build $language]) + ;; + *:no:yes) + # Silently disable. + add_this_lang=no + ;; + esac case $add_this_lang in no) -- 2.30.2