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# Initialize Autoconf
AC_PREREQ([2.60])
AC_INIT([libICE], [1.1.1],
[https://gitlab.freedesktop.org/xorg/lib/libice/-/issues], [libICE])
AC_CONFIG_SRCDIR([Makefile.am])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIRS([m4])
# Set common system defines for POSIX extensions, such as _GNU_SOURCE
# Must be called before any macros that run the compiler (like
# LT_INIT or XORG_DEFAULT_OPTIONS) to avoid autoconf errors.
AC_USE_SYSTEM_EXTENSIONS
# Initialize Automake
AM_INIT_AUTOMAKE([foreign dist-xz])
# Initialize libtool
LT_INIT
# Require xorg-macros minimum of 1.12 for DocBook external references
m4_ifndef([XORG_MACROS_VERSION],
[m4_fatal([must install xorg-macros 1.12 or later before running autoconf/autogen])])
XORG_MACROS_VERSION(1.12)
XORG_DEFAULT_OPTIONS
XORG_ENABLE_DOCS
XORG_ENABLE_SPECS
XORG_WITH_XMLTO(0.0.22)
XORG_WITH_FOP
XORG_WITH_XSLTPROC
XORG_CHECK_SGML_DOCTOOLS(1.8)
# Obtain compiler/linker options for dependencies
PKG_CHECK_MODULES(ICE, [xproto >= 7.0.25 xtrans])
# Checks for typedefs, structures, and compiler characteristics.
AC_SYS_LARGEFILE
# Checks for non-standard functions and fallback to libbsd if we can
# We only check for arc4random_buf, because if we have that, we don't
# need/use getentropy.
AC_LINK_IFELSE([AC_LANG_CALL([], [arc4random_buf])],
[TRY_LIBBSD="no"], [TRY_LIBBSD="yes"])
AS_IF([test "x$TRY_LIBBSD" = "xyes"],
[PKG_CHECK_MODULES([LIBBSD], [libbsd-overlay], [
CFLAGS="$CFLAGS $LIBBSD_CFLAGS"
LIBS="$LIBS $LIBBSD_LIBS"
], [:])])
# Checks for library functions.
AC_CHECK_FUNCS([asprintf arc4random_buf getentropy])
# Transport selection macro from xtrans.m4
XTRANS_CONNECTION_FLAGS
AC_DEFINE(ICE_t, 1, [Xtrans transport type])
AC_DEFINE(TRANS_CLIENT, 1, [Xtrans transport client code])
AC_DEFINE(TRANS_SERVER, 1, [Xtrans transport server code])
# Allow checking code with lint, sparse, etc.
XORG_WITH_LINT
XORG_LINT_LIBRARY([ICE])
LINT_FLAGS="${LINT_FLAGS} ${ICE_CFLAGS} ${XTRANS_CFLAGS}"
AC_CONFIG_FILES([Makefile
doc/Makefile
specs/Makefile
src/Makefile
ice.pc])
AC_OUTPUT
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