45 lines
1.1 KiB
Diff
45 lines
1.1 KiB
Diff
--- configure.in
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+++ configure.in
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@@ -450,9 +450,6 @@ then
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fi
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-# checks for UNIX variants that set C preprocessor variables
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-AC_AIX
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-
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# Check for unsupported systems
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case $ac_sys_system/$ac_sys_release in
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Linux*/1*)
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@@ -513,6 +510,9 @@ SunOS*)
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;;
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esac
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+# checks for UNIX variants that set C preprocessor variables
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+AC_AIX
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+
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AC_SUBST(ARCH)
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AC_MSG_CHECKING(ARCH)
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ARCH=`uname -m`
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@@ -3153,9 +3153,18 @@ then
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fi
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# check for readline 4.0
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-AC_CHECK_LIB(readline, rl_pre_input_hook,
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- AC_DEFINE(HAVE_RL_PRE_INPUT_HOOK, 1,
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- [Define if you have readline 4.0]), , )
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+AC_MSG_CHECKING([for rl_pre_input_hook in -lreadline])
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+AC_CACHE_VAL(ac_cv_have_rl_re_input_hook, [
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+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <stdio.h>
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+#include <readline/readline.h>],
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+ [return rl_pre_input_hook != 0])],
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+ ac_cv_have_rl_re_input_hook=yes,
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+ ac_cv_have_rl_re_input_hook=no)])
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+AC_MSG_RESULT($ac_cv_have_rl_re_input_hook)
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+if test "$ac_cv_have_rl_re_input_hook" = yes; then
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+ AC_DEFINE(HAVE_RL_PRE_INPUT_HOOK, 1,
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+ [Define if you have readline 4.0])
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+fi
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# check for readline 4.2
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AC_CHECK_LIB(readline, rl_completion_matches,
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