./configure now gives more information/warnings about missing utilities.

[ginac.git] / acinclude.m4

diff --git a/acinclude.m4 b/acinclude.m4
index 06ac032ad48b0563c91c798a67e756c8a936958a..1e53fa45c41f2bbe6eb0d572ebd1d452220b4c49 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -45,7 +45,7 @@ AC_REQUIRE([GINAC_TERMCAP])
 GINSH_LIBS=""
 AC_CHECK_HEADERS(readline/readline.h readline/history.h)
 if test "x${ac_cv_header_readline_readline_h}" != "xyes" -o "x${ac_cv_header_readline_history_h}" != "xyes"; then
 GINSH_LIBS=""
 AC_CHECK_HEADERS(readline/readline.h readline/history.h)
 if test "x${ac_cv_header_readline_readline_h}" != "xyes" -o "x${ac_cv_header_readline_history_h}" != "xyes"; then

-       GINAC_WARNING([readline headers could not be found.])
+       GINAC_WARNING([ginsh will not compile, because readline headers could not be found.])

 else
        AC_CACHE_CHECK([for version of libreadline], [ginac_cv_rl_supported], [
                ginac_cv_rl_supported="no"
 else
        AC_CACHE_CHECK([for version of libreadline], [ginac_cv_rl_supported], [
                ginac_cv_rl_supported="no"


@@ -57,13 +57,13 @@ else
                        #endif]])],
                        [ginac_cv_rl_supported="yes"])])
        if test "x${ginac_cv_rl_supported}" != "xyes"; then
                        #endif]])],
                        [ginac_cv_rl_supported="yes"])])
        if test "x${ginac_cv_rl_supported}" != "xyes"; then

-               GINAC_WARNING([Unsupported version of readline (<= 4.2 or non-GNU).])
+               GINAC_WARNING([ginsh will not compile, because of an unsupported version of readline (<= 4.2 or non-GNU).])

        else
                save_LIBS="$LIBS"
                LIBS="$LIBTERMCAP $LIBS"
                AC_CHECK_LIB(readline, readline)
                if test "x${ac_cv_lib_readline_readline}" != "xyes"; then
        else
                save_LIBS="$LIBS"
                LIBS="$LIBTERMCAP $LIBS"
                AC_CHECK_LIB(readline, readline)
                if test "x${ac_cv_lib_readline_readline}" != "xyes"; then

-                       GINAC_WARNING([libreadline could not be found.])
+                       GINAC_WARNING([ginsh will not compile, because libreadline could not be found.])

                fi
                GINSH_LIBS="$LIBS"
                LIBS="$save_LIBS"
                fi
                GINSH_LIBS="$LIBS"
                LIBS="$save_LIBS"


@@ -121,6 +121,7 @@ dnl This macro displays a warning message if GINAC_ERROR or GINAC_WARNING
 dnl has occured previously.
 AC_DEFUN([GINAC_CHECK_ERRORS],[
 if test "x${ginac_error}" = "xyes"; then
 dnl has occured previously.
 AC_DEFUN([GINAC_CHECK_ERRORS],[
 if test "x${ginac_error}" = "xyes"; then

+       echo

     echo "**** The following problems have been detected by configure."
     echo "**** Please check the messages below before running \"make\"."
     echo "**** (see the section 'Common Problems' in the INSTALL file)"
     echo "**** The following problems have been detected by configure."
     echo "**** Please check the messages below before running \"make\"."
     echo "**** (see the section 'Common Problems' in the INSTALL file)"


@@ -135,6 +136,7 @@ if test "x${ginac_error}" = "xyes"; then
     exit 1
 else 
     if test "x${ginac_warning}" = "xyes"; then
     exit 1
 else 
     if test "x${ginac_warning}" = "xyes"; then

+               echo

         echo "=== The following minor problems have been detected by configure."
         echo "=== Please check the messages below before running \"make\"."
         echo "=== (see the section 'Common Problems' in the INSTALL file)"
         echo "=== The following minor problems have been detected by configure."
         echo "=== Please check the messages below before running \"make\"."
         echo "=== (see the section 'Common Problems' in the INSTALL file)"