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dnl GEGL_DETECT_CFLAGS(RESULT, FLAGSET)
dnl Detect if the compiler supports a set of flags
AC_DEFUN([GEGL_DETECT_CFLAGS],
[
$1=
for flag in $2; do
if test -z "[$]$1"; then
$1_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $flag"
AC_MSG_CHECKING([whether [$]CC understands [$]flag])
AC_TRY_COMPILE([], [], [$1_works=yes], [$1_works=no])
AC_MSG_RESULT([$]$1_works)
CFLAGS="[$]$1_save_CFLAGS"
if test "x[$]$1_works" = "xyes"; then
$1="$flag"
fi
fi
done
])
dnl The following lines were copied from gtk-doc.m4
dnl Usage:
dnl GTK_DOC_CHECK([minimum-gtk-doc-version])
AC_DEFUN([GTK_DOC_CHECK],
[
AC_BEFORE([AC_PROG_LIBTOOL],[$0])dnl setup libtool first
AC_BEFORE([AM_PROG_LIBTOOL],[$0])dnl setup libtool first
dnl for overriding the documentation installation directory
AC_ARG_WITH(html-dir,
AC_HELP_STRING([--with-html-dir=PATH], [path to installed docs]),,
[with_html_dir='${datadir}/gtk-doc/html'])
HTML_DIR="$with_html_dir"
AC_SUBST(HTML_DIR)
dnl enable/disable documentation building
AC_ARG_ENABLE(gtk-doc,
AC_HELP_STRING([--enable-gtk-doc],
[use gtk-doc to build documentation (default=no)]),,
enable_gtk_doc=no)
have_gtk_doc=no
if test x$enable_gtk_doc = xyes; then
if test -z "$PKG_CONFIG"; then
AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
fi
if test "$PKG_CONFIG" != "no" && $PKG_CONFIG --exists gtk-doc; then
have_gtk_doc=yes
fi
dnl do we want to do a version check?
ifelse([$1],[],,
[gtk_doc_min_version=$1
if test "$have_gtk_doc" = yes; then
AC_MSG_CHECKING([gtk-doc version >= $gtk_doc_min_version])
if $PKG_CONFIG --atleast-version $gtk_doc_min_version gtk-doc; then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
have_gtk_doc=no
fi
fi
])
if test "$have_gtk_doc" != yes; then
enable_gtk_doc=no
fi
fi
AM_CONDITIONAL(ENABLE_GTK_DOC, test x$enable_gtk_doc = xyes)
AM_CONDITIONAL(GTK_DOC_USE_LIBTOOL, test -n "$LIBTOOL")
])
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