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Autotools: getting rid of PKG_CHECK_MODULES as it's considered harmful

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Martin Dvorak 2017-04-11 21:26:47 +02:00
parent 9410a8d693
commit 7b5903f62b
1 changed files with 35 additions and 22 deletions
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57
configure.ac
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@ -1,7 +1,7 @@
# configure.ac Autoconf configuration file
# process this file with autoconf to produce a configure script
#
# Copyright (C) 2014 Martin Dvorak <martin.dvorak@mindforger.com>
# Copyright (C) 2014-2017 Martin Dvorak <martin.dvorak@mindforger.com>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -29,28 +29,41 @@ AM_INIT_AUTOMAKE
# Checks for programs.
AC_PROG_CC
# Determine OS for NCURSES check
# NCURSES check w/o PKG_CHECK_MODULES macro
# Determine OS
AC_CANONICAL_HOST
# Platform specific ncurses check: if NCURSES not found, then look for ncurses
AC_MSG_NOTICE([IMPORTANT: Make sure you have pkg-tools installed - it's needed to run this script])
PKG_CHECK_MODULES([NCURSES], [ncursesw],
[AC_MSG_NOTICE([Module ncursesw found])],
[PKG_CHECK_MODULES([NCURSES], [ncurses],
[AC_MSG_NOTICE([Module ncurses found])],
[AS_CASE([$host_os],
[darwin*],
[
AC_CHECK_LIB(ncurses, killwchar, [], [AC_MSG_ERROR([Could not find ncurses library])])
AC_CHECK_HEADER(curses.h)
],
[
AC_CHECK_LIB(ncursesw, killwchar, [], [AC_MSG_ERROR([Could not find ncursesw library])])
AC_CHECK_HEADER(ncursesw/curses.h)
])
]
)
]
)
# Notify user that pkg-tools are required
AC_MSG_NOTICE([===================================================================================])
AC_MSG_NOTICE([IMPORTANT: Make sure you have pkg-config installed - it's needed to run this script])
AC_MSG_NOTICE([===================================================================================])
# PKG_CHECK_MODULES macro is NOT used to avoid confusing syntax errors in case that pkg-config is NOT installed
AC_SUBST([NCURSESW_CFLAGS])
AC_SUBST([NCURSESW_LIBS])
if pkg-config --exists ncursesw
then
AC_MSG_NOTICE([Module ncursesw found])
NCURSESW_CFLAGS=`pkg-config --cflags ncursesw`
NCURSESW_LIBS=`pkg-config --libs ncursesw`
else
if pkg-config --exists ncurses
then
AC_MSG_NOTICE([Module ncurses found])
NCURSESW_CFLAGS=`pkg-config --cflags ncursesw`
NCURSESW_LIBS=`pkg-config --libs ncurses`
else
AS_CASE([$host_os],
[darwin*],
[
AC_CHECK_LIB(ncurses, killwchar, [], [AC_MSG_ERROR([Could not find ncurses library])])
AC_CHECK_HEADER(curses.h)
],
[
AC_CHECK_LIB(ncursesw, killwchar, [], [AC_MSG_ERROR([Could not find ncursesw library])])
AC_CHECK_HEADER(ncursesw/curses.h)
]
)
fi
fi
# Checks for libraries.
AC_CHECK_LIB(m, cos, [], [AC_MSG_ERROR([Could not find m library])])