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build: restrict the use of --with-slang to together with --enable-tiny 

Slang contains bugs that get triggered when resizing the terminal,
or rather: when its existing data structures get reinitialized.
Avoid those bugs by forcing the exclusion of the resizing code
when nano is configured with --with-slang.

(The only reason for not entirely eliminating the support for Slang
is to allow Debian to build a tiny nano against Slang for on their
install image.)

This avoids https://savannah.gnu.org/bugs/?57520,
and avoids https://savannah.gnu.org/bugs/?57518,
and dodges https://savannah.gnu.org/bugs/?57513,
and dodges https://savannah.gnu.org/bugs/?57507.
master
Benno Schulenberg 2020-01-02 20:22:15 +01:00
parent c4d2bf59fb
commit 2867f1bbde
1 changed files with 6 additions and 1 deletions
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7
configure.ac
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@ -89,6 +89,12 @@ AC_CHECK_HEADERS(libintl.h limits.h pwd.h termios.h sys/param.h)
dnl Checks for options.
if test "x$with_slang" = xyes; then
if test "x$enable_tiny" != xyes; then
AC_MSG_ERROR([--with-slang is supported only together with --enable-tiny])
fi
fi
AC_ARG_ENABLE(browser,
AS_HELP_STRING([--disable-browser], [Disable the built-in file browser]))
if test "x$enable_tiny" = xyes; then
@ -516,7 +522,6 @@ int main(void)
;;
esac], [AC_MSG_RESULT(no)])
dnl Checks for functions.
if test "x$enable_utf8" != xno; then