acinclude.m4

   1 AC_DEFUN([AC_PROG_CC_PIE], [
   2         AC_CACHE_CHECK([whether ${CC-cc} accepts -fPIE], ac_cv_prog_cc_pie, [
   3                 echo 'void f(){}' > conftest.c
   4                 if test -z "`${CC-cc} -fPIE -pie -c conftest.c 2>&1`"; then
   5                         ac_cv_prog_cc_pie=yes
   6                 else
   7                         ac_cv_prog_cc_pie=no
   8                 fi
   9                 rm -rf conftest*
  10         ])
  11 ])
  12
  13 AC_DEFUN([COMPILER_FLAGS], [
  14         if (test "${CFLAGS}" = ""); then
  15                 CFLAGS="-Wall -O2 -D_FORTIFY_SOURCE=2"
  16         fi
  17         if (test "$USE_MAINTAINER_MODE" = "yes"); then
  18                 CFLAGS+=" -Werror -Wextra"
  19                 CFLAGS+=" -Wno-unused-parameter"
  20                 CFLAGS+=" -Wno-missing-field-initializers"
  21                 CFLAGS+=" -Wdeclaration-after-statement"
  22                 CFLAGS+=" -Wmissing-declarations"
  23                 CFLAGS+=" -Wredundant-decls"
  24                 CFLAGS+=" -Wcast-align"
  25                 CFLAGS="$CFLAGS -DG_DISABLE_DEPRECATED"
  26         fi
  27 ])
  28
  29 AC_DEFUN([GTK_DOC_CHECK],
  30 [
  31   AC_BEFORE([AC_PROG_LIBTOOL],[$0])dnl setup libtool first
  32   AC_BEFORE([AM_PROG_LIBTOOL],[$0])dnl setup libtool first
  33   dnl for overriding the documentation installation directory
  34   AC_ARG_WITH([html-dir],
  35     AS_HELP_STRING([--with-html-dir=PATH], [path to installed docs]),,
  36     [with_html_dir='${datadir}/gtk-doc/html'])
  37   HTML_DIR="$with_html_dir"
  38   AC_SUBST([HTML_DIR])
  39
  40   dnl enable/disable documentation building
  41   AC_ARG_ENABLE([gtk-doc],
  42     AS_HELP_STRING([--enable-gtk-doc],
  43                    [use gtk-doc to build documentation [[default=no]]]),,
  44     [enable_gtk_doc=no])
  45
  46   if test x$enable_gtk_doc = xyes; then
  47     ifelse([$1],[],
  48       [PKG_CHECK_EXISTS([gtk-doc],,
  49                         AC_MSG_ERROR([gtk-doc not installed and --enable-gtk-doc requested]))],
  50       [PKG_CHECK_EXISTS([gtk-doc >= $1],,
  51                         AC_MSG_ERROR([You need to have gtk-doc >= $1 installed to build gtk-doc]))])
  52   fi
  53
  54   AC_MSG_CHECKING([whether to build gtk-doc documentation])
  55   AC_MSG_RESULT($enable_gtk_doc)
  56
  57   AC_PATH_PROGS(GTKDOC_CHECK,gtkdoc-check,)
  58
  59   AM_CONDITIONAL([ENABLE_GTK_DOC], [test x$enable_gtk_doc = xyes])
  60   AM_CONDITIONAL([GTK_DOC_USE_LIBTOOL], [test -n "$LIBTOOL"])
  61 ])