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([SHAVE_ARG_ENABLE],
  29 [
  30   AC_ARG_ENABLE([shave],
  31     AS_HELP_STRING(
  32       [--enable-shave],
  33       [use shave to make the build pretty [[default=no]]]),,
  34       [enable_shave=no]
  35     )
  36   AC_CONFIG_FILES(shave shave-libtool)
  37 ])
  38
  39 AC_DEFUN([SHAVE_INIT],
  40 [
  41   if test x"$enable_shave" = xyes; then
  42     dnl where can we find the shave scripts?
  43     m4_if([$1],,
  44       [shavedir="$ac_pwd"],
  45       [shavedir="$ac_pwd/$1"])
  46     AC_SUBST(shavedir)
  47
  48     dnl make is now quiet
  49     AC_SUBST([MAKEFLAGS], [-s])
  50     AC_SUBST([AM_MAKEFLAGS], ['`test -z $V && echo -s`'])
  51
  52     dnl we need sed
  53     AC_CHECK_PROG(SED,sed,sed,false)
  54
  55     dnl substitute libtool
  56     SHAVE_SAVED_LIBTOOL=$LIBTOOL
  57     LIBTOOL="${SHELL} ${shavedir}/shave-libtool '${SHAVE_SAVED_LIBTOOL}'"
  58     AC_SUBST(LIBTOOL)
  59
  60     dnl substitute cc/cxx
  61     SHAVE_SAVED_CC=$CC
  62     SHAVE_SAVED_CXX=$CXX
  63     SHAVE_SAVED_FC=$FC
  64     SHAVE_SAVED_F77=$F77
  65     CC="${SHELL} ${shavedir}/shave cc ${SHAVE_SAVED_CC}"
  66     CXX="${SHELL} ${shavedir}/shave cxx ${SHAVE_SAVED_CXX}"
  67     FC="${SHELL} ${shavedir}/shave fc ${SHAVE_SAVED_FC}"
  68     F77="${SHELL} ${shavedir}/shave f77 ${SHAVE_SAVED_F77}"
  69     AC_SUBST(CC)
  70     AC_SUBST(CXX)
  71     AC_SUBST(FC)
  72     AC_SUBST(F77)
  73
  74     V=@
  75   else
  76     V=1
  77   fi
  78   Q='$(V:1=)'
  79   AC_SUBST(V)
  80   AC_SUBST(Q)
  81 ])
  82
  83 AC_DEFUN([GTK_DOC_CHECK],
  84 [
  85   AC_BEFORE([AC_PROG_LIBTOOL],[$0])dnl setup libtool first
  86   AC_BEFORE([AM_PROG_LIBTOOL],[$0])dnl setup libtool first
  87   dnl for overriding the documentation installation directory
  88   AC_ARG_WITH([html-dir],
  89     AS_HELP_STRING([--with-html-dir=PATH], [path to installed docs]),,
  90     [with_html_dir='${datadir}/gtk-doc/html'])
  91   HTML_DIR="$with_html_dir"
  92   AC_SUBST([HTML_DIR])
  93
  94   dnl enable/disable documentation building
  95   AC_ARG_ENABLE([gtk-doc],
  96     AS_HELP_STRING([--enable-gtk-doc],
  97                    [use gtk-doc to build documentation [[default=no]]]),,
  98     [enable_gtk_doc=no])
  99
 100   if test x$enable_gtk_doc = xyes; then
 101     ifelse([$1],[],
 102       [PKG_CHECK_EXISTS([gtk-doc],,
 103                         AC_MSG_ERROR([gtk-doc not installed and --enable-gtk-doc requested]))],
 104       [PKG_CHECK_EXISTS([gtk-doc >= $1],,
 105                         AC_MSG_ERROR([You need to have gtk-doc >= $1 installed to build gtk-doc]))])
 106   fi
 107
 108   AC_MSG_CHECKING([whether to build gtk-doc documentation])
 109   AC_MSG_RESULT($enable_gtk_doc)
 110
 111   AC_PATH_PROGS(GTKDOC_CHECK,gtkdoc-check,)
 112
 113   AM_CONDITIONAL([ENABLE_GTK_DOC], [test x$enable_gtk_doc = xyes])
 114   AM_CONDITIONAL([GTK_DOC_USE_LIBTOOL], [test -n "$LIBTOOL"])
 115 ])