| Patrick Williams | b48b7b4 | 2016-08-17 15:04:38 -0500 | [diff] [blame] | 1 | ## this one is commonly used with AM_PATH_PYTHONDIR ... |
| 2 | dnl AM_CHECK_PYMOD(MODNAME [,SYMBOL [,ACTION-IF-FOUND [,ACTION-IF-NOT-FOUND]]]) |
| 3 | dnl Check if a module containing a given symbol is visible to python. |
| 4 | AC_DEFUN(AM_CHECK_PYMOD, |
| 5 | [AC_REQUIRE([AM_PATH_PYTHON]) |
| 6 | py_mod_var=`echo $1['_']$2 | sed 'y%./+-%__p_%'` |
| 7 | AC_MSG_CHECKING(for ifelse([$2],[],,[$2 in ])python module $1) |
| 8 | AC_CACHE_VAL(py_cv_mod_$py_mod_var, [ |
| 9 | ifelse([$2],[], [prog=" |
| 10 | import sys |
| 11 | try: |
| 12 | import $1 |
| 13 | except ImportError: |
| 14 | sys.exit(1) |
| 15 | except: |
| 16 | sys.exit(0) |
| 17 | sys.exit(0)"], [prog=" |
| 18 | import $1 |
| 19 | $1.$2"]) |
| 20 | if $PYTHON -c "$prog" 1>&AC_FD_CC 2>&AC_FD_CC |
| 21 | then |
| 22 | eval "py_cv_mod_$py_mod_var=yes" |
| 23 | else |
| 24 | eval "py_cv_mod_$py_mod_var=no" |
| 25 | fi |
| 26 | ]) |
| 27 | py_val=`eval "echo \`echo '$py_cv_mod_'$py_mod_var\`"` |
| 28 | if test "x$py_val" != xno; then |
| 29 | AC_MSG_RESULT(yes) |
| 30 | ifelse([$3], [],, [$3 |
| 31 | ])dnl |
| 32 | else |
| 33 | AC_MSG_RESULT(no) |
| 34 | ifelse([$4], [],, [$4 |
| 35 | ])dnl |
| 36 | fi |
| 37 | ]) |
| 38 | |
| 39 | dnl a macro to check for ability to create python extensions |
| 40 | dnl AM_CHECK_PYTHON_HEADERS([ACTION-IF-POSSIBLE], [ACTION-IF-NOT-POSSIBLE]) |
| 41 | dnl function also defines PYTHON_INCLUDES |
| 42 | AC_DEFUN([AM_CHECK_PYTHON_HEADERS], |
| 43 | [AC_REQUIRE([AM_PATH_PYTHON]) |
| 44 | AC_MSG_CHECKING(for headers required to compile python extensions) |
| 45 | dnl deduce PYTHON_INCLUDES |
| 46 | AC_ARG_WITH(python-includes, |
| 47 | [ --with-python-includes=DIR path to Python includes], py_exec_prefix=$withval) |
| 48 | if test x$py_exec_prefix != x; then |
| 49 | PYTHON_INCLUDES="-I${py_exec_prefix}/include/python${PYTHON_VERSION}" |
| 50 | else |
| 51 | py_prefix=`$PYTHON -c "import sys; print sys.prefix"` |
| 52 | py_exec_prefix=`$PYTHON -c "import sys; print sys.exec_prefix"` |
| 53 | PYTHON_INCLUDES="-I${py_prefix}/include/python${PYTHON_VERSION}" |
| 54 | if test "$py_prefix" != "$py_exec_prefix"; then |
| 55 | PYTHON_INCLUDES="$PYTHON_INCLUDES -I${py_exec_prefix}/include/python${PYTHON_VERSION}" |
| 56 | fi |
| 57 | fi |
| 58 | AC_SUBST(PYTHON_INCLUDES) |
| 59 | dnl check if the headers exist: |
| 60 | save_CPPFLAGS="$CPPFLAGS" |
| 61 | CPPFLAGS="$CPPFLAGS $PYTHON_INCLUDES" |
| 62 | AC_TRY_CPP([#include <Python.h>],dnl |
| 63 | [AC_MSG_RESULT(found) |
| 64 | $1],dnl |
| 65 | [AC_MSG_RESULT(not found) |
| 66 | $2]) |
| 67 | CPPFLAGS="$save_CPPFLAGS" |
| 68 | ]) |
| 69 | |
| 70 | dnl |
| 71 | dnl JH_ADD_CFLAG(FLAG) |
| 72 | dnl checks whether the C compiler supports the given flag, and if so, adds |
| 73 | dnl it to $CFLAGS. If the flag is already present in the list, then the |
| 74 | dnl check is not performed. |
| 75 | AC_DEFUN([JH_ADD_CFLAG], |
| 76 | [ |
| 77 | case " $CFLAGS " in |
| 78 | *@<:@\ \ @:>@$1@<:@\ \ @:>@*) |
| 79 | ;; |
| 80 | *) |
| 81 | save_CFLAGS="$CFLAGS" |
| 82 | CFLAGS="$CFLAGS $1" |
| 83 | AC_MSG_CHECKING([whether [$]CC understands $1]) |
| 84 | AC_TRY_COMPILE([], [], [jh_has_option=yes], [jh_has_option=no]) |
| 85 | AC_MSG_RESULT($jh_has_option) |
| 86 | if test $jh_has_option = no; then |
| 87 | CFLAGS="$save_CFLAGS" |
| 88 | fi |
| 89 | ;; |
| 90 | esac]) |