File: configure.ac

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AC_PREREQ([2.62])
AC_INIT([pkg-config],
        [0.29],
        [https://bugs.freedesktop.org/enter_bug.cgi?product=pkg-config],
        [pkg-config])

AC_CONFIG_HEADERS([config.h])
AC_CONFIG_SRCDIR([main.c])

dnl Initialize automake. Sadly, we have to kludge around the automake
dnl test driver here. We need to use the serial driver (for now), but
dnl the parallel driver is the default in 1.13. So, we want to specify
dnl the serial driver. Unfortunately, the option to specify that driver
dnl didn't exist until 1.12.
m4_define([automake_version],
    [m4_esyscmd([${AUTOMAKE-automake} --version |
                 awk '/^automake/{print $NF}'])])
m4_define([automake_serial_tests],
    [m4_if(m4_version_compare(automake_version, [1.12]), [-1],
                               [], [serial-tests])])
AM_INIT_AUTOMAKE([1.11 ]automake_serial_tests)

dnl Initialize libtool
LT_PREREQ([2.2])
LT_INIT

dnl Support silent build rules, requires at least automake-1.11. Disable
dnl by either passing --disable-silent-rules to configure or passing V=1
dnl to make
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])

dnl Enable large file support
AC_SYS_LARGEFILE

dnl Check for programs
AC_PROG_CC
AC_CHECK_PROG([LN], [ln], [ln], [cp -Rp])

dnl Check for headers
AC_CHECK_HEADERS([dirent.h unistd.h sys/wait.h malloc.h])

dnl A POSIX shell is required for the tests. If TEST_SHELL hasn't been
dnl set on the command line then we try to find bash or ksh or sh from
dnl the path. If none of those are available, we just use whatever
dnl autoconf detected for configure.
AC_ARG_VAR([TESTS_SHELL], [Path to a POSIX shell to be used for testing])
conf_path="$PATH:`getconf PATH 2>/dev/null`"
AC_PATH_PROGS([TESTS_SHELL], [bash ksh sh], [$CONFIG_SHELL], [$conf_path])

dnl The built pkg-config to use for testing. This allows it to be set
dnl from the make command line if necessary.
AC_SUBST([TESTS_PKG_CONFIG], ['${top_builddir}/pkg-config${EXEEXT}'])

dnl
dnl Default pkg-config search path
dnl
AC_MSG_CHECKING([for default search path for .pc files])
AC_ARG_WITH([pc_path],
  [AS_HELP_STRING([--with-pc-path],
    [default search path for .pc files])],
  [pc_path="$withval"],
  [
# This is slightly wrong, but hopefully causes less confusion than
# people being unable to find their .pc files in the standard location.
if test "${prefix}" = "NONE"; then
	pc_path='${libdir}/pkgconfig:${datadir}/pkgconfig:/usr/lib/pkgconfig:/usr/share/pkgconfig'
else
	pc_path='${libdir}/pkgconfig:${datadir}/pkgconfig'
fi
])
AC_MSG_RESULT([$pc_path])
AC_SUBST([pc_path])

dnl
dnl System default -I paths
dnl
AC_MSG_CHECKING([for system include path to avoid -I flags])
AC_ARG_WITH([system_include_path],
  [AS_HELP_STRING([--with-system-include-path],
    [avoid -I flags from the given path])],
  [system_include_path="$withval"],
  [system_include_path="/usr/include"])
AC_MSG_RESULT([$system_include_path])
AC_SUBST([system_include_path])

dnl
dnl System default -L paths
dnl
AC_MSG_CHECKING([for system library path to avoid -L flags])
AC_ARG_WITH([system_library_path],
  [AS_HELP_STRING([--with-system-library-path],
    [avoid -L flags from the given path])],
  [system_library_path="$withval"],
  [
pc_lib_sfx=`echo "$libdir" | sed 's:.*/lib::'`
case "$pc_lib_sfx" in
*/*|"")
  system_library_path="/usr/lib:/lib"
  ;;
*)
  system_library_path="/usr/lib$pc_lib_sfx:/lib$pc_lib_sfx:/usr/lib:/lib"
  ;;
esac
])
AC_MSG_RESULT([$system_library_path])
AC_SUBST([system_library_path])

dnl Code taken from gtk+-2.0's configure.in.
dnl
dnl This causes pkg-config to not list private dependencies (a very
dnl common example is libm) on platforms which support inter-library
dnl dependencies.
dnl
dnl When using libtool 2.x, we need to force libtool to be created
dnl early so we can use it here.
m4_ifdef([LT_OUTPUT], [LT_OUTPUT])

AC_ARG_ENABLE([indirect-deps],
    [AS_HELP_STRING([--enable-indirect-deps],
                    [list both direct and indirect dependencies.])
     AS_HELP_STRING([--disable-indirect-deps],
                    [only list direct dependencies.])
    [default=auto]],
    [use_indirect_deps=$enableval],
    [use_indirect_deps=auto])
echo use_indirect_deps=$use_indirect_deps >&AS_MESSAGE_LOG_FD
AC_MSG_CHECKING([whether to list both direct and indirect dependencies])
case $use_indirect_deps in
  auto)
    deplibs_check_method=`(./libtool --config; echo eval echo '\"$deplibs_check_method\"') | sh`
    if test "X$deplibs_check_method" = Xnone; then
    echo "foo: $deplibs_check_method" >&AS_MESSAGE_LOG_FD
      use_indirect_deps=yes
    else
      use_indirect_deps=no
    fi
  ;;
  yes|no)
  ;;
  *) AC_MSG_ERROR([Value given to --enable-indirect-deps must be one of yes, no
or auto])
  ;;
esac
AC_MSG_RESULT($use_indirect_deps)
AC_DEFINE_UNQUOTED([ENABLE_INDIRECT_DEPS],
    [`test $use_indirect_deps = yes && echo TRUE || echo FALSE`],
    [Link library to all dependent libraries, not only directly needed ones])
AC_SUBST([use_indirect_deps])

dnl
dnl Choose default CFLAGS and warnings depending on compiler.
dnl
WARN_CFLAGS=""
if test "${GCC}" = "yes" && test "${ac_env_CFLAGS_set}" != "set"; then
   WARN_CFLAGS="-g -Wall -O2"
fi
AC_SUBST(WARN_CFLAGS)

AC_MSG_CHECKING([for Win32])
case "$host" in
  *-*-mingw*)
    native_win32=yes
  ;;
  *)
    native_win32=no
  ;;
esac
AC_MSG_RESULT([$native_win32])
AC_SUBST([native_win32])
AM_CONDITIONAL(NATIVE_WIN32, [test "x$native_win32" = xyes])

dnl When cross compiling to Windows, Wine might be available to help
dnl for testing.
if test "$cross_compiling" = yes && test "$native_win32" = yes; then
   AC_CHECK_PROG([WINE], [wine], [wine])
   test "x$WINE" != x && TESTS_PKG_CONFIG='${WINE} '"$TESTS_PKG_CONFIG"
fi

dnl On Windows, the prefix variable in .pc files can be redfined at
dnl runtime. Allow the default behavior to be controlled.
AC_MSG_CHECKING([if prefix should be redefined at runtime])
AC_ARG_ENABLE([define_prefix],
  [AS_HELP_STRING([--enable-define-prefix],
    [redefine prefix in .pc files @<:@default=yes on Win32@:>@])],
  [],
  [enable_define_prefix=$native_win32])
AC_MSG_RESULT([$enable_define_prefix])
AC_DEFINE_UNQUOTED([ENABLE_DEFINE_PREFIX],
  [`test "x$enable_define_prefix" = xyes && echo TRUE || echo FALSE`],
  [Define ${prefix} in .pc files at runtime])

dnl
dnl Find glib or use internal copy. Required version is 2.16 for
dnl g_win32_get_package_installation_directory_of_module().
dnl
dnl Pull in pkg-config macros to find external glib.
dnl
m4_include([pkg.m4.in])
m4_define([glib_module], [glib-2.0 >= 2.16])
AC_ARG_WITH([internal-glib],
  [AS_HELP_STRING([--with-internal-glib], [use internal glib])],
  [with_internal_glib="$withval"],
  [with_internal_glib=no])
AM_CONDITIONAL([INTERNAL_GLIB], [test "x$with_internal_glib" = xyes])
AC_MSG_CHECKING([if internal glib should be used])
if test "x$with_internal_glib" = xyes; then
  AC_MSG_RESULT([yes])
  GLIB_CFLAGS='-I$(top_srcdir)/glib -I$(top_srcdir)/glib/glib \
    -I$(top_builddir)/glib/glib'
  GLIB_LIBS='$(top_builddir)/glib/glib/libglib-2.0.la'
  AC_CONFIG_SUBDIRS([glib])
else
  AC_MSG_RESULT([no])
  PKG_CHECK_MODULES([GLIB], glib_module, [], [AC_MSG_ERROR([]dnl
[m4_normalize([Either a previously installed pkg-config or "]glib_module["
              could not be found. Please set GLIB_CFLAGS and GLIB_LIBS to
              the correct values or pass --with-internal-glib to configure
              to use the bundled copy.])])])
fi
AC_SUBST(GLIB_LIBS)
AC_SUBST(GLIB_CFLAGS)

dnl
dnl Optional gcov test coverage usage
dnl
AC_ARG_WITH([gcov],
  [AS_HELP_STRING([--with-gcov], [gcov test coverage @<:@default=no@:>@])],
  [],
  [with_gcov=no])
if test "x$with_gcov" = xyes; then
  if test "$GCC" = no; then
    AC_MSG_ERROR([gcov test coverage can only be used with GCC])
  fi

  AC_PATH_PROG([GCOV], [gcov], [AC_MSG_ERROR([could not find gcov program])])
  GCOV_CFLAGS="-fprofile-arcs -ftest-coverage"

  # Ensure there's no optimizing since last -O wins and CFLAGS is used
  # at the end of COMPILE/LTCOMPILE.
  CFLAGS="${CFLAGS+$CFLAGS }-O0"
fi
AC_SUBST([GCOV_CFLAGS])

dnl See if the user wants a host- prefixed tool
dnl (e.g. i686-pc-linux-gnu-pkg-config) to be installed.
dnl
AC_MSG_CHECKING([if host- prefixed tool should be installed])
AC_ARG_ENABLE([host-tool],
  [AS_HELP_STRING([--disable-host-tool],
    [install link to pkg-config with $host- prefix @<:@default=yes@:>@])],
  [],
  [enable_host_tool=yes])
AC_MSG_RESULT([$enable_host_tool])
AM_CONDITIONAL([HOST_TOOL], [test "x$enable_host_tool" = xyes])

AC_CONFIG_FILES([
Makefile
pkg.m4
check/Makefile
check/config.sh
])
AC_OUTPUT