summaryrefslogtreecommitdiff
path: root/config
diff options
context:
space:
mode:
Diffstat (limited to 'config')
-rw-r--r--config/c-compiler.m433
-rw-r--r--config/programs.m420
2 files changed, 30 insertions, 23 deletions
diff --git a/config/c-compiler.m4 b/config/c-compiler.m4
index f17a52a116..9c069f4c92 100644
--- a/config/c-compiler.m4
+++ b/config/c-compiler.m4
@@ -126,13 +126,18 @@ fi])# PGAC_C_FUNCNAME_SUPPORT
# Given a string, check if the compiler supports the string as a
# command-line option. If it does, add the string to CFLAGS.
AC_DEFUN([PGAC_PROG_CC_CFLAGS_OPT],
-[AC_MSG_CHECKING([if $CC supports $1])
-pgac_save_CFLAGS=$CFLAGS
+[define([Ac_cachevar], [AS_TR_SH([pgac_cv_prog_cc_cflags_$1])])dnl
+AC_CACHE_CHECK([whether $CC supports $1], [Ac_cachevar],
+[pgac_save_CFLAGS=$CFLAGS
CFLAGS="$pgac_save_CFLAGS $1"
_AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],
- AC_MSG_RESULT(yes),
- [CFLAGS="$pgac_save_CFLAGS"
- AC_MSG_RESULT(no)])
+ [Ac_cachevar=yes],
+ [Ac_cachevar=no])
+CFLAGS="$pgac_save_CFLAGS"])
+if test x"$Ac_cachevar" = x"yes"; then
+ CFLAGS="$CFLAGS $1"
+fi
+undefine([Ac_cachevar])dnl
])# PGAC_PROG_CC_CFLAGS_OPT
@@ -145,13 +150,17 @@ _AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],
# you can link to a particular function, not just whether you can link.
# In fact, we must actually check that the resulting program runs :-(
AC_DEFUN([PGAC_PROG_CC_LDFLAGS_OPT],
-[AC_MSG_CHECKING([if $CC supports $1])
-pgac_save_LDFLAGS=$LDFLAGS
+[define([Ac_cachevar], [AS_TR_SH([pgac_cv_prog_cc_ldflags_$1])])dnl
+AC_CACHE_CHECK([whether $CC supports $1], [Ac_cachevar],
+[pgac_save_LDFLAGS=$LDFLAGS
LDFLAGS="$pgac_save_LDFLAGS $1"
AC_RUN_IFELSE([AC_LANG_PROGRAM([extern void $2 (); void (*fptr) () = $2;],[])],
- AC_MSG_RESULT(yes),
- [LDFLAGS="$pgac_save_LDFLAGS"
- AC_MSG_RESULT(no)],
- [LDFLAGS="$pgac_save_LDFLAGS"
- AC_MSG_RESULT(assuming no)])
+ [Ac_cachevar=yes],
+ [Ac_cachevar=no],
+ [Ac_cachevar="assuming no"])
+LDFLAGS="$pgac_save_LDFLAGS"])
+if test x"$Ac_cachevar" = x"yes"; then
+ LDFLAGS="$LDFLAGS $1"
+fi
+undefine([Ac_cachevar])dnl
])# PGAC_PROG_CC_LDFLAGS_OPT
diff --git a/config/programs.m4 b/config/programs.m4
index 205b65a5aa..565195d06d 100644
--- a/config/programs.m4
+++ b/config/programs.m4
@@ -117,7 +117,7 @@ AC_SUBST(FLEXFLAGS)
AC_DEFUN([PGAC_CHECK_READLINE],
[AC_REQUIRE([AC_CANONICAL_HOST])
-AC_CACHE_VAL([pgac_cv_check_readline],
+AC_CACHE_CHECK([for library containing readline], [pgac_cv_check_readline],
[pgac_cv_check_readline=no
pgac_save_LIBS=$LIBS
if test x"$with_libedit_preferred" != x"yes"
@@ -125,7 +125,6 @@ then READLINE_ORDER="-lreadline -ledit"
else READLINE_ORDER="-ledit -lreadline"
fi
for pgac_rllib in $READLINE_ORDER ; do
- AC_MSG_CHECKING([for ${pgac_rllib}])
for pgac_lib in "" " -ltermcap" " -lncurses" " -lcurses" ; do
LIBS="${pgac_rllib}${pgac_lib} $pgac_save_LIBS"
AC_TRY_LINK_FUNC([readline], [[
@@ -144,14 +143,11 @@ for pgac_rllib in $READLINE_ORDER ; do
]])
done
if test "$pgac_cv_check_readline" != no ; then
- AC_MSG_RESULT([yes ($pgac_cv_check_readline)])
break
- else
- AC_MSG_RESULT(no)
fi
done
LIBS=$pgac_save_LIBS
-])[]dnl AC_CACHE_VAL
+])[]dnl AC_CACHE_CHECK
if test "$pgac_cv_check_readline" != no ; then
LIBS="$pgac_cv_check_readline $LIBS"
@@ -167,8 +163,8 @@ fi
# Readline versions < 2.1 don't have rl_completion_append_character
AC_DEFUN([PGAC_VAR_RL_COMPLETION_APPEND_CHARACTER],
-[AC_MSG_CHECKING([for rl_completion_append_character])
-AC_TRY_LINK([#include <stdio.h>
+[AC_CACHE_CHECK([for rl_completion_append_character], pgac_cv_var_rl_completion_append_character,
+[AC_TRY_LINK([#include <stdio.h>
#ifdef HAVE_READLINE_READLINE_H
# include <readline/readline.h>
#elif defined(HAVE_READLINE_H)
@@ -176,10 +172,12 @@ AC_TRY_LINK([#include <stdio.h>
#endif
],
[rl_completion_append_character = 'x';],
-[AC_MSG_RESULT(yes)
+[pgac_cv_var_rl_completion_append_character=yes],
+[pgac_cv_var_rl_completion_append_character=no])])
+if test x"$pgac_cv_var_rl_completion_append_character" = x"yes"; then
AC_DEFINE(HAVE_RL_COMPLETION_APPEND_CHARACTER, 1,
- [Define to 1 if you have the global variable 'rl_completion_append_character'.])],
-[AC_MSG_RESULT(no)])])# PGAC_VAR_RL_COMPLETION_APPEND_CHARACTER
+ [Define to 1 if you have the global variable 'rl_completion_append_character'.])
+fi])# PGAC_VAR_RL_COMPLETION_APPEND_CHARACTER