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AC_DEFUN([AC_PROG_CC_PIE], [
AC_CACHE_CHECK([whether ${CC-cc} accepts -fPIE], ac_cv_prog_cc_pie, [
echo 'void f(){}' > conftest.c
if test -z "`${CC-cc} -fPIE -pie -c conftest.c 2>&1`"; then
ac_cv_prog_cc_pie=yes
else
ac_cv_prog_cc_pie=no
fi
rm -rf conftest*
])
])
AC_DEFUN([COMPILER_FLAGS], [
if (test "${CFLAGS}" = ""); then
CFLAGS="-Wall -O2 -D_FORTIFY_SOURCE=2"
fi
if (test "$USE_MAINTAINER_MODE" = "yes"); then
CFLAGS+=" -Werror -Wextra"
CFLAGS+=" -Wno-unused-parameter"
CFLAGS+=" -Wno-missing-field-initializers"
CFLAGS+=" -Wdeclaration-after-statement"
CFLAGS+=" -Wmissing-declarations"
CFLAGS+=" -Wredundant-decls"
CFLAGS+=" -Wcast-align"
fi
])
AC_DEFUN([GTK_DOC_CHECK],
[
AC_BEFORE([AC_PROG_LIBTOOL],[$0])dnl setup libtool first
AC_BEFORE([AM_PROG_LIBTOOL],[$0])dnl setup libtool first
dnl for overriding the documentation installation directory
AC_ARG_WITH([html-dir],
AS_HELP_STRING([--with-html-dir=PATH], [path to installed docs]),,
[with_html_dir='${datadir}/gtk-doc/html'])
HTML_DIR="$with_html_dir"
AC_SUBST([HTML_DIR])
dnl enable/disable documentation building
AC_ARG_ENABLE([gtk-doc],
AS_HELP_STRING([--enable-gtk-doc],
[use gtk-doc to build documentation [[default=no]]]),,
[enable_gtk_doc=no])
if test x$enable_gtk_doc = xyes; then
ifelse([$1],[],
[PKG_CHECK_EXISTS([gtk-doc],,
AC_MSG_ERROR([gtk-doc not installed and --enable-gtk-doc requested]))],
[PKG_CHECK_EXISTS([gtk-doc >= $1],,
AC_MSG_ERROR([You need to have gtk-doc >= $1 installed to build gtk-doc]))])
fi
AC_MSG_CHECKING([whether to build gtk-doc documentation])
AC_MSG_RESULT($enable_gtk_doc)
AC_PATH_PROGS(GTKDOC_CHECK,gtkdoc-check,)
AM_CONDITIONAL([ENABLE_GTK_DOC], [test x$enable_gtk_doc = xyes])
AM_CONDITIONAL([GTK_DOC_USE_LIBTOOL], [test -n "$LIBTOOL"])
])
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