is a software construction tool (a Python script and a set of modules as a superior alternative to the classic "Make" build tool).
| Conftest.py (SCons-4.3.0) | : | Conftest.py (SCons-4.4.0) |
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| | |
| skipping to change at line 26 | | skipping to change at line 26 |
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| # in all copies or substantial portions of the Software. | | # in all copies or substantial portions of the Software. |
| # | | # |
| # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY | | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY |
| # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE | | # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE |
| # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | | # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE | | # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION | | # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION | | # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | | # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| | |
|
| """Autoconf-like configuration support | | r"""Autoconf-like configuration support |
| | |
| The purpose of this module is to define how a check is to be performed. | | The purpose of this module is to define how a check is to be performed. |
| | |
| A context class is used that defines functions for carrying out the tests, | | A context class is used that defines functions for carrying out the tests, |
| logging and messages. The following methods and members must be present: | | logging and messages. The following methods and members must be present: |
| | |
| context.Display(msg) | | context.Display(msg) |
| Function called to print messages that are normally displayed | | Function called to print messages that are normally displayed |
| for the user. Newlines are explicitly used. The text should | | for the user. Newlines are explicitly used. The text should |
| also be written to the logfile! | | also be written to the logfile! |
| | |
| skipping to change at line 86 | | skipping to change at line 86 |
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| If present, must be a string, which will be filled with the | | If present, must be a string, which will be filled with the |
| contents of a config_h file. | | contents of a config_h file. |
| | |
| context.vardict | | context.vardict |
| Dictionary holding variables used for the tests and stores results | | Dictionary holding variables used for the tests and stores results |
| from the tests, used for the build commands. Normally contains | | from the tests, used for the build commands. Normally contains |
| "CC", "LIBS", "CPPFLAGS", etc. | | "CC", "LIBS", "CPPFLAGS", etc. |
| | |
| context.havedict | | context.havedict |
| Dictionary holding results from the tests that are to be used | | Dictionary holding results from the tests that are to be used |
|
| inside a program. Names often start with "HAVE_". These are zero | | inside a program. Names often start with "HAVE\_". These are zero |
| (feature not present) or one (feature present). Other variables | | (feature not present) or one (feature present). Other variables |
| may have any value, e.g., "PERLVERSION" can be a number and | | may have any value, e.g., "PERLVERSION" can be a number and |
| "SYSTEMNAME" a string. | | "SYSTEMNAME" a string. |
| """ | | """ |
| | |
| import re | | import re |
| | |
| # | | # |
| # PUBLIC VARIABLES | | # PUBLIC VARIABLES |
| # | | # |
| | |
| skipping to change at line 567 | | skipping to change at line 567 |
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| ; | | ; |
| return 0; | | return 0; |
| } | | } |
| """ % (symbol, symbol) | | """ % (symbol, symbol) |
| | |
| st = context.CompileProg(src, suffix) | | st = context.CompileProg(src, suffix) |
| _YesNoResult(context, st, "HAVE_DECL_" + symbol, src, | | _YesNoResult(context, st, "HAVE_DECL_" + symbol, src, |
| "Set to 1 if %s is defined." % symbol) | | "Set to 1 if %s is defined." % symbol) |
| return st | | return st |
| | |
|
| | def CheckMember(context, aggregate_member, header = None, language = None): |
| | """ |
| | Configure check for a C or C++ member "aggregate_member". |
| | Optional "header" can be defined to include a header file. |
| | "language" should be "C" or "C++" and is used to select the compiler. |
| | Default is "C". |
| | Note that this uses the current value of compiler and linker flags, make |
| | sure $CFLAGS, $CPPFLAGS and $LIBS are set correctly. |
| | |
| | Arguments: |
| | aggregate_member : str |
| | the member to check. For example, 'struct tm.tm_gmtoff'. |
| | includes : str |
| | Optional "header" can be defined to include a header file. |
| | language : str |
| | only C and C++ supported. |
| | |
| | Returns the status (0 or False = Passed, True/non-zero = Failed). |
| | """ |
| | |
| | lang, suffix, msg = _lang2suffix(language) |
| | if msg: |
| | context.Display("Cannot check for member %s: %s\n" % (aggregate_member, |
| | msg)) |
| | return True |
| | context.Display("Checking for %s member %s... " % (lang, aggregate_member)) |
| | fields = aggregate_member.split('.') |
| | if len(fields) != 2: |
| | msg = "shall contain just one dot, for example 'struct tm.tm_gmtoff'" |
| | context.Display("Cannot check for member %s: %s\n" % (aggregate_member, |
| | msg)) |
| | return True |
| | aggregate, member = fields[0], fields[1] |
| | |
| | # Include "confdefs.h" first, so that the header can use HAVE_HEADER_H. |
| | if context.headerfilename: |
| | includetext = '#include "%s"' % context.headerfilename |
| | else: |
| | includetext = '' |
| | if not header: |
| | header = '' |
| | text = ''' |
| | %(include)s |
| | %(header)s |
| | |
| | int main(void) { |
| | if (sizeof ((%(aggregate)s *) 0)->%(member)s) |
| | return 0; |
| | }''' % {'include': includetext, |
| | 'header': header, |
| | 'aggregate': aggregate, |
| | 'member': member} |
| | |
| | ret = context.BuildProg(text, suffix) |
| | _YesNoResult(context, ret, "HAVE_" + aggregate_member, text, |
| | "Define to 1 if the system has the member `%s`." % aggregate_me |
| | mber) |
| | return ret |
| | |
| def CheckLib(context, libs, func_name = None, header = None, | | def CheckLib(context, libs, func_name = None, header = None, |
| extra_libs = None, call = None, language = None, autoadd = 1, | | extra_libs = None, call = None, language = None, autoadd = 1, |
| append = True): | | append = True): |
| """ | | """ |
| Configure check for a C or C++ libraries "libs". Searches through | | Configure check for a C or C++ libraries "libs". Searches through |
| the list of libraries, until one is found where the test succeeds. | | the list of libraries, until one is found where the test succeeds. |
| Tests if "func_name" or "call" exists in the library. Note: if it exists | | Tests if "func_name" or "call" exists in the library. Note: if it exists |
| in another library the test succeeds anyway! | | in another library the test succeeds anyway! |
| Optional "header" can be defined to include a header file. If not given a | | Optional "header" can be defined to include a header file. If not given a |
| default prototype for "func_name" is added. | | default prototype for "func_name" is added. |
| | | |
| End of changes. 3 change blocks. |
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| 2 lines changed or deleted | | 61 lines changed or added |
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