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authorsimpoir <simpoir@Bob.(none)>2009-01-30 04:14:48 (GMT)
committer simpoir <simpoir@Bob.(none)>2009-01-30 04:14:48 (GMT)
commiteaef567cabc5c0dda9706faa0e17e20909131ade (patch)
tree70c06b03713b88c5141ef21bcc155cd3dfe0dc92 /m4
ajout initial du tree jhbuild [jhbuild base]
Diffstat (limited to 'm4')
-rw-r--r--m4/gnome-compiler-flags.m4141
-rw-r--r--m4/python.m462
2 files changed, 203 insertions, 0 deletions
diff --git a/m4/gnome-compiler-flags.m4 b/m4/gnome-compiler-flags.m4
new file mode 100644
index 0000000..b9db2fd
--- /dev/null
+++ b/m4/gnome-compiler-flags.m4
@@ -0,0 +1,141 @@
+dnl GNOME_COMPILE_WARNINGS
+dnl Turn on many useful compiler warnings
+dnl For now, only works on GCC
+AC_DEFUN([GNOME_COMPILE_WARNINGS],[
+ dnl ******************************
+ dnl More compiler warnings
+ dnl ******************************
+
+ AC_ARG_ENABLE(compile-warnings,
+ AC_HELP_STRING([--enable-compile-warnings=@<:@no/minimum/yes/maximum/error@:>@],
+ [Turn on compiler warnings]),,
+ [enable_compile_warnings="m4_default([$1],[yes])"])
+
+ warnCFLAGS=
+ if test "x$GCC" != xyes; then
+ enable_compile_warnings=no
+ fi
+
+ warning_flags=
+ realsave_CFLAGS="$CFLAGS"
+
+ case "$enable_compile_warnings" in
+ no)
+ warning_flags=
+ ;;
+ minimum)
+ warning_flags="-Wall"
+ ;;
+ yes)
+ warning_flags="-Wall -Wmissing-prototypes"
+ ;;
+ maximum|error)
+ warning_flags="-Wall -Wmissing-prototypes -Wnested-externs -Wpointer-arith"
+ CFLAGS="$warning_flags $CFLAGS"
+ for option in -Wno-sign-compare; do
+ SAVE_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS $option"
+ AC_MSG_CHECKING([whether gcc understands $option])
+ AC_TRY_COMPILE([], [],
+ has_option=yes,
+ has_option=no,)
+ CFLAGS="$SAVE_CFLAGS"
+ AC_MSG_RESULT($has_option)
+ if test $has_option = yes; then
+ warning_flags="$warning_flags $option"
+ fi
+ unset has_option
+ unset SAVE_CFLAGS
+ done
+ unset option
+ if test "$enable_compile_warnings" = "error" ; then
+ warning_flags="$warning_flags -Werror"
+ fi
+ ;;
+ *)
+ AC_MSG_ERROR(Unknown argument '$enable_compile_warnings' to --enable-compile-warnings)
+ ;;
+ esac
+ CFLAGS="$realsave_CFLAGS"
+ AC_MSG_CHECKING(what warning flags to pass to the C compiler)
+ AC_MSG_RESULT($warning_flags)
+
+ AC_ARG_ENABLE(iso-c,
+ AC_HELP_STRING([--enable-iso-c],
+ [Try to warn if code is not ISO C ]),,
+ [enable_iso_c=no])
+
+ AC_MSG_CHECKING(what language compliance flags to pass to the C compiler)
+ complCFLAGS=
+ if test "x$enable_iso_c" != "xno"; then
+ if test "x$GCC" = "xyes"; then
+ case " $CFLAGS " in
+ *[\ \ ]-ansi[\ \ ]*) ;;
+ *) complCFLAGS="$complCFLAGS -ansi" ;;
+ esac
+ case " $CFLAGS " in
+ *[\ \ ]-pedantic[\ \ ]*) ;;
+ *) complCFLAGS="$complCFLAGS -pedantic" ;;
+ esac
+ fi
+ fi
+ AC_MSG_RESULT($complCFLAGS)
+
+ WARN_CFLAGS="$warning_flags $complCFLAGS"
+ AC_SUBST(WARN_CFLAGS)
+])
+
+dnl For C++, do basically the same thing.
+
+AC_DEFUN([GNOME_CXX_WARNINGS],[
+ AC_ARG_ENABLE(cxx-warnings,
+ AC_HELP_STRING([--enable-cxx-warnings=@<:@no/minimum/yes@:>@]
+ [Turn on compiler warnings.]),,
+ [enable_cxx_warnings="m4_default([$1],[minimum])"])
+
+ AC_MSG_CHECKING(what warning flags to pass to the C++ compiler)
+ warnCXXFLAGS=
+ if test "x$GXX" != xyes; then
+ enable_cxx_warnings=no
+ fi
+ if test "x$enable_cxx_warnings" != "xno"; then
+ if test "x$GXX" = "xyes"; then
+ case " $CXXFLAGS " in
+ *[\ \ ]-Wall[\ \ ]*) ;;
+ *) warnCXXFLAGS="-Wall -Wno-unused" ;;
+ esac
+
+ ## -W is not all that useful. And it cannot be controlled
+ ## with individual -Wno-xxx flags, unlike -Wall
+ if test "x$enable_cxx_warnings" = "xyes"; then
+ warnCXXFLAGS="$warnCXXFLAGS -Wshadow -Woverloaded-virtual"
+ fi
+ fi
+ fi
+ AC_MSG_RESULT($warnCXXFLAGS)
+
+ AC_ARG_ENABLE(iso-cxx,
+ AC_HELP_STRING([--enable-iso-cxx],
+ [Try to warn if code is not ISO C++ ]),,
+ [enable_iso_cxx=no])
+
+ AC_MSG_CHECKING(what language compliance flags to pass to the C++ compiler)
+ complCXXFLAGS=
+ if test "x$enable_iso_cxx" != "xno"; then
+ if test "x$GXX" = "xyes"; then
+ case " $CXXFLAGS " in
+ *[\ \ ]-ansi[\ \ ]*) ;;
+ *) complCXXFLAGS="$complCXXFLAGS -ansi" ;;
+ esac
+
+ case " $CXXFLAGS " in
+ *[\ \ ]-pedantic[\ \ ]*) ;;
+ *) complCXXFLAGS="$complCXXFLAGS -pedantic" ;;
+ esac
+ fi
+ fi
+ AC_MSG_RESULT($complCXXFLAGS)
+
+ WARN_CXXFLAGS="$CXXFLAGS $warnCXXFLAGS $complCXXFLAGS"
+ AC_SUBST(WARN_CXXFLAGS)
+])
diff --git a/m4/python.m4 b/m4/python.m4
new file mode 100644
index 0000000..e1c5266
--- /dev/null
+++ b/m4/python.m4
@@ -0,0 +1,62 @@
+## this one is commonly used with AM_PATH_PYTHONDIR ...
+dnl AM_CHECK_PYMOD(MODNAME [,SYMBOL [,ACTION-IF-FOUND [,ACTION-IF-NOT-FOUND]]])
+dnl Check if a module containing a given symbol is visible to python.
+AC_DEFUN([AM_CHECK_PYMOD],
+[AC_REQUIRE([AM_PATH_PYTHON])
+py_mod_var=`echo $1['_']$2 | sed 'y%./+-%__p_%'`
+AC_MSG_CHECKING(for ifelse([$2],[],,[$2 in ])python module $1)
+AC_CACHE_VAL(py_cv_mod_$py_mod_var, [
+ifelse([$2],[], [prog="
+import sys
+try:
+ import $1
+except ImportError:
+ sys.exit(1)
+except:
+ sys.exit(0)
+sys.exit(0)"], [prog="
+import $1
+$1.$2"])
+if $PYTHON -c "$prog" 1>&AC_FD_CC 2>&AC_FD_CC
+ then
+ eval "py_cv_mod_$py_mod_var=yes"
+ else
+ eval "py_cv_mod_$py_mod_var=no"
+ fi
+])
+py_val=`eval "echo \`echo '$py_cv_mod_'$py_mod_var\`"`
+if test "x$py_val" != xno; then
+ AC_MSG_RESULT(yes)
+ ifelse([$3], [],, [$3
+])dnl
+else
+ AC_MSG_RESULT(no)
+ ifelse([$4], [],, [$4
+])dnl
+fi
+])
+
+dnl a macro to check for ability to create python extensions
+dnl AM_CHECK_PYTHON_HEADERS([ACTION-IF-POSSIBLE], [ACTION-IF-NOT-POSSIBLE])
+dnl function also defines PYTHON_INCLUDES
+AC_DEFUN([AM_CHECK_PYTHON_HEADERS],
+[AC_REQUIRE([AM_PATH_PYTHON])
+AC_MSG_CHECKING(for headers required to compile python extensions)
+dnl deduce PYTHON_INCLUDES
+py_prefix=`$PYTHON -c "import sys; print sys.prefix"`
+py_exec_prefix=`$PYTHON -c "import sys; print sys.exec_prefix"`
+PYTHON_INCLUDES="-I${py_prefix}/include/python${PYTHON_VERSION}"
+if test "$py_prefix" != "$py_exec_prefix"; then
+ PYTHON_INCLUDES="$PYTHON_INCLUDES -I${py_exec_prefix}/include/python${PYTHON_VERSION}"
+fi
+AC_SUBST(PYTHON_INCLUDES)
+dnl check if the headers exist:
+save_CPPFLAGS="$CPPFLAGS"
+CPPFLAGS="$CPPFLAGS $PYTHON_INCLUDES"
+AC_TRY_CPP([#include <Python.h>],dnl
+[AC_MSG_RESULT(found)
+$1],dnl
+[AC_MSG_RESULT(not found)
+$2])
+CPPFLAGS="$save_CPPFLAGS"
+])