diff options
Diffstat (limited to 'gdb/configure.ac')
| -rw-r--r-- | gdb/configure.ac | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/gdb/configure.ac b/gdb/configure.ac index 3a55218..74b7d6a 100644 --- a/gdb/configure.ac +++ b/gdb/configure.ac @@ -497,6 +497,125 @@ else fi fi +dnl Utility to simplify finding libpython. +AC_DEFUN([AC_TRY_LIBPYTHON], +[ + version=$1 + define([have_libpython_var],$2) + define([VERSION],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])]) + [HAVE_LIB]VERSION=no + AC_MSG_CHECKING([for ${version}]) + save_LIBS=$LIBS + LIBS="$LIBS -l${version}" + AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "${version}/Python.h"]], + [[Py_Initialize ();]]), + [[HAVE_LIB]VERSION=yes + have_libpython_var=yes], + [LIBS=$save_LIBS]) + AC_MSG_RESULT([$[HAVE_LIB]VERSION]) +]) + +AC_ARG_WITH(python, + AS_HELP_STRING([--with-python], [include python support (auto/yes/no/<path>)]), + [], [with_python=auto]) +AC_MSG_CHECKING([whether to use python]) +AC_MSG_RESULT([$with_python]) + +if test "${with_python}" = no; then + AC_MSG_WARN([python support disabled; some features may be unavailable.]) + have_libpython=no +else + case "${with_python}" in + yes | auto) + # Leave as empty, use defaults. + python_includes= + python_libs= + ;; + /*) + python_includes="-I${with_python}/include" + python_libs="-L${with_python}/lib" + ;; + *) + AC_ERROR(invalid value for --with-python) + ;; + esac + + save_CPPFLAGS=$CPPFLAGS + CPPFLAGS="$CPPFLAGS ${python_includes}" + save_LIBS=$LIBS + LIBS="$LIBS ${python_libs}" + have_libpython=no + if test "${have_libpython}" = no; then + AC_TRY_LIBPYTHON(python2.6, have_libpython) + if test "${HAVE_LIBPYTHON2_6}" = yes; then + AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.]) + fi + fi + if test ${have_libpython} = no; then + AC_TRY_LIBPYTHON(python2.5, have_libpython) + if test "${HAVE_LIBPYTHON2_5}" = yes; then + AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.]) + fi + fi + if test ${have_libpython} = no; then + AC_TRY_LIBPYTHON(python2.4, have_libpython) + if test "${HAVE_LIBPYTHON2_4}" = yes; then + AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.]) + fi + fi + if test ${have_libpython} = no; then + case "${with_python}" in + yes) + AC_MSG_ERROR([python is missing or unusable]) + ;; + auto) + AC_MSG_WARN([python is missing or unusable; some features may be unavailable.]) + ;; + *) + AC_MSG_ERROR([no usable python found at ${with_python}]) + ;; + esac + CPPFLAGS=$save_CPPFLAGS + LIBS=$save_LIBS + fi +fi + +if test "${have_libpython}" = yes; then + AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.]) + CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)" + CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)" + CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)" + ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)" + + # Flags needed to compile Python code (taken from python-config --cflags). + # We cannot call python-config directly because it will output whatever was + # used when compiling the Python interpreter itself, including flags which + # would make the python-related objects be compiled differently from the + # rest of GDB (e.g., -O2 and -fPIC). + if test "${GCC}" = yes; then + tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv" + fi + + if test "x${tentative_python_cflags}" != x; then + AC_MSG_CHECKING(compiler flags for python code) + for flag in ${tentative_python_cflags}; do + # Check that the compiler accepts it + saved_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS $flag" + AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",) + CFLAGS="$saved_CFLAGS" + done + AC_MSG_RESULT(${PYTHON_CFLAGS}) + fi +else + # Even if Python support is not compiled in, we need to have this file + # included in order to recognize the GDB command "python". + CONFIG_OBS="$CONFIG_OBS python.o" + CONFIG_SRCS="$CONFIG_SRCS python/python.c" +fi +AC_SUBST(PYTHON_CFLAGS) + # ------------------------- # # Checks for header files. # # ------------------------- # |