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configure: check for definition of setupterm, not just linkability

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Some platforms ship the headers and libraries for ncurses in different
packages, which can produce false positives when checking for their
presence.

Closes #3866.
This commit is contained in:
David Adam 2017-03-05 15:06:20 +08:00
parent fac9b2393f
commit 3444fe87fb
1 changed files with 19 additions and 0 deletions
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19
configure.ac
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@ -327,6 +327,25 @@ AC_CHECK_FUNCS( dirfd )
AC_CHECK_DECL( [mkostemp], [ AC_CHECK_FUNCS([mkostemp]) ] ) AC_CHECK_DECL( [mkostemp], [ AC_CHECK_FUNCS([mkostemp]) ] )
#
# Although setupterm is linkable thanks to SEARCH_LIBS above, some
# builds of ncurses include the actual headers in a different package
#
AC_CHECK_DECL( [setupterm], , [AC_MSG_ERROR([Could not find a curses implementation, needed to build fish. If this is Linux, try running 'sudo apt-get install libncurses5-dev' or 'sudo yum install ncurses-devel'])], [
#if HAVE_NCURSES_H
#include <ncurses.h>
#elif HAVE_NCURSES_CURSES_H
#include <ncurses/curses.h>
#else
#include <curses.h>
#endif
#if HAVE_TERM_H
#include <term.h>
#elif HAVE_NCURSES_TERM_H
#include <ncurses/term.h>
#endif
] )
dnl AC_CHECK_FUNCS uses C linkage, but sometimes (Solaris!) the behaviour is dnl AC_CHECK_FUNCS uses C linkage, but sometimes (Solaris!) the behaviour is
dnl different with C++. dnl different with C++.
AC_MSG_CHECKING([for wcsdup]) AC_MSG_CHECKING([for wcsdup])