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         fi
  26 ])
  27
  28 AC_DEFUN([GTK_DOC_CHECK],
  29 [
  30   AC_BEFORE([AC_PROG_LIBTOOL],[$0])dnl setup libtool first
  31   AC_BEFORE([AM_PROG_LIBTOOL],[$0])dnl setup libtool first
  32   dnl for overriding the documentation installation directory
  33   AC_ARG_WITH([html-dir],
  34     AS_HELP_STRING([--with-html-dir=PATH], [path to installed docs]),,
  35     [with_html_dir='${datadir}/gtk-doc/html'])
  36   HTML_DIR="$with_html_dir"
  37   AC_SUBST([HTML_DIR])
  38
  39   dnl enable/disable documentation building
  40   AC_ARG_ENABLE([gtk-doc],
  41     AS_HELP_STRING([--enable-gtk-doc],
  42                    [use gtk-doc to build documentation [[default=no]]]),,
  43     [enable_gtk_doc=no])
  44
  45   if test x$enable_gtk_doc = xyes; then
  46     ifelse([$1],[],
  47       [PKG_CHECK_EXISTS([gtk-doc],,
  48                         AC_MSG_ERROR([gtk-doc not installed and --enable-gtk-doc requested]))],
  49       [PKG_CHECK_EXISTS([gtk-doc >= $1],,
  50                         AC_MSG_ERROR([You need to have gtk-doc >= $1 installed to build gtk-doc]))])
  51   fi
  52
  53   AC_MSG_CHECKING([whether to build gtk-doc documentation])
  54   AC_MSG_RESULT($enable_gtk_doc)
  55
  56   AC_PATH_PROGS(GTKDOC_CHECK,gtkdoc-check,)
  57
  58   AM_CONDITIONAL([ENABLE_GTK_DOC], [test x$enable_gtk_doc = xyes])
  59   AM_CONDITIONAL([GTK_DOC_USE_LIBTOOL], [test -n "$LIBTOOL"])
  60 ])