diff options
Diffstat (limited to 'doc/user/depends.xml')
| -rw-r--r-- | doc/user/depends.xml | 396 |
1 files changed, 198 insertions, 198 deletions
diff --git a/doc/user/depends.xml b/doc/user/depends.xml index d252544..a5639a1 100644 --- a/doc/user/depends.xml +++ b/doc/user/depends.xml @@ -60,11 +60,11 @@ <scons_example name="depends_ex1"> <file name="SConstruct"> - Program('hello.c') +Program('hello.c') </file> <file name="hello.c"> - int main() { printf("Hello, world!\n"); } - </file> +int main() { printf("Hello, world!\n"); } +</file> </scons_example> <scons_output example="depends_ex1" os="posix" suffix="1"> @@ -173,8 +173,8 @@ </para> <sconstruct> - Program('hello.c') - Decider('MD5') +Program('hello.c') +Decider('MD5') </sconstruct> <para> @@ -270,11 +270,11 @@ <scons_example name="depends_newer"> <file name="SConstruct" printme="1"> - Object('hello.c') - Decider('timestamp-newer') +Object('hello.c') +Decider('timestamp-newer') </file> <file name="hello.c"> - int main() { printf("Hello, world!\n"); } +int main() { printf("Hello, world!\n"); } </file> </scons_example> @@ -303,8 +303,8 @@ </para> <sconstruct> - Object('hello.c') - Decider('make') +Object('hello.c') +Decider('make') </sconstruct> <para> @@ -339,11 +339,11 @@ <scons_example name="depends_match"> <file name="SConstruct" printme="1"> - Object('hello.c') - Decider('timestamp-match') +Object('hello.c') +Decider('timestamp-match') </file> <file name="hello.c"> - int main() { printf("Hello, world!\n"); } +int main() { printf("Hello, world!\n"); } </file> </scons_example> @@ -398,11 +398,11 @@ <scons_example name="depends_MD5-timestamp"> <file name="SConstruct" printme="1"> - Program('hello.c') - Decider('MD5-timestamp') +Program('hello.c') +Decider('MD5-timestamp') </file> <file name="hello.c"> - int main() { printf("Hello, world!\n"); } +int main() { printf("Hello, world!\n"); } </file> </scons_example> @@ -431,17 +431,17 @@ --> <screen> - % <userinput>scons -Q hello</userinput> - cc -o hello.o -c hello.c - cc -o hello hello.o - % <userinput>touch hello.c</userinput> - % <userinput>scons -Q hello</userinput> - scons: `hello' is up to date. - % <userinput>edit hello.c</userinput> - [CHANGE THE CONTENTS OF hello.c] - % <userinput>scons -Q hello</userinput> - cc -o hello.o -c hello.c - cc -o hello hello.o +% <userinput>scons -Q hello</userinput> +cc -o hello.o -c hello.c +cc -o hello hello.o +% <userinput>touch hello.c</userinput> +% <userinput>scons -Q hello</userinput> +scons: `hello' is up to date. +% <userinput>edit hello.c</userinput> + [CHANGE THE CONTENTS OF hello.c] +% <userinput>scons -Q hello</userinput> +cc -o hello.o -c hello.c +cc -o hello hello.o </screen> <para> @@ -516,18 +516,18 @@ <scons_example name="depends_function"> <file name="SConstruct" printme="1"> - Program('hello.c') - def decide_if_changed(dependency, target, prev_ni): - if self.get_timestamp() != prev_ni.timestamp: - dep = str(dependency) - tgt = str(target) - if specific_part_of_file_has_changed(dep, tgt): - return True - return False - Decider(decide_if_changed) +Program('hello.c') +def decide_if_changed(dependency, target, prev_ni): + if self.get_timestamp() != prev_ni.timestamp: + dep = str(dependency) + tgt = str(target) + if specific_part_of_file_has_changed(dep, tgt): + return True + return False +Decider(decide_if_changed) </file> <file name="hello.c"> - int main() { printf("Hello, world!\n"); } +int main() { printf("Hello, world!\n"); } </file> </scons_example> @@ -635,35 +635,35 @@ </para> <sconstruct> - env = Environment() - - def config_file_decider(dependency, target, prev_ni): - import os.path - - # We always have to init the .csig value... - dep_csig = dependency.get_csig() - # .csig may not exist, because no target was built yet... - if 'csig' not in dir(prev_ni): - return True - # Target file may not exist yet - if not os.path.exists(str(target.abspath)): - return True - if dep_csig != prev_ni.csig: - # Some change on source file => update installed one - return True - return False - - def update_file(): - f = open("test.txt","a") - f.write("some line\n") - f.close() - - update_file() - - # Activate our own decider function - env.Decider(config_file_decider) - - env.Install("install","test.txt") +env = Environment() + +def config_file_decider(dependency, target, prev_ni): + import os.path + + # We always have to init the .csig value... + dep_csig = dependency.get_csig() + # .csig may not exist, because no target was built yet... + if 'csig' not in dir(prev_ni): + return True + # Target file may not exist yet + if not os.path.exists(str(target.abspath)): + return True + if dep_csig != prev_ni.csig: + # Some change on source file => update installed one + return True + return False + +def update_file(): + f = open("test.txt","a") + f.write("some line\n") + f.close() + +update_file() + +# Activate our own decider function +env.Decider(config_file_decider) + +env.Install("install","test.txt") </sconstruct> </section> @@ -698,22 +698,22 @@ <scons_example name="depends_mixing"> <file name="SConstruct" printme="1"> - env1 = Environment(CPPPATH = ['.']) - env2 = env1.Clone() - env2.Decider('timestamp-match') - env1.Program('prog-MD5', 'program1.c') - env2.Program('prog-timestamp', 'program2.c') +env1 = Environment(CPPPATH = ['.']) +env2 = env1.Clone() +env2.Decider('timestamp-match') +env1.Program('prog-MD5', 'program1.c') +env2.Program('prog-timestamp', 'program2.c') </file> <file name="program1.c"> - #include "inc.h" - int main() { printf("Hello, world!\n"); } +#include "inc.h" +int main() { printf("Hello, world!\n"); } </file> <file name="program2.c"> - #include "inc.h" - int main() { printf("Hello, world!\n"); } +#include "inc.h" +int main() { printf("Hello, world!\n"); } </file> <file name="inc.h"> - #define INC 1 +#define INC 1 </file> </scons_example> @@ -771,8 +771,8 @@ </para> <sconstruct> - Program('hello.c') - SourceSignatures('MD5') +Program('hello.c') +SourceSignatures('MD5') </sconstruct> <para> @@ -782,8 +782,8 @@ </para> <sconstruct> - Program('hello.c') - SourceSignatures('timestamp') +Program('hello.c') +SourceSignatures('timestamp') </sconstruct> <para> @@ -839,8 +839,8 @@ </para> <sconstruct> - Program('hello.c') - TargetSignatures('MD5') +Program('hello.c') +TargetSignatures('MD5') </sconstruct> <para> @@ -853,8 +853,8 @@ </para> <sconstruct> - Program('hello.c') - TargetSignatures('timestamp') +Program('hello.c') +TargetSignatures('timestamp') </sconstruct> <para> @@ -882,9 +882,9 @@ </para> <sconstruct> - Program('hello.c') - TargetSignatures('source') - SourceSignatures('timestamp') +Program('hello.c') +TargetSignatures('source') +SourceSignatures('timestamp') </sconstruct> <para> @@ -949,18 +949,18 @@ <scons_example name="depends_include"> <file name="SConstruct"> - Program('hello.c', CPPPATH = '.') +Program('hello.c', CPPPATH = '.') </file> <file name="hello.c" printme="1"> - #include <hello.h> - int - main() - { - printf("Hello, %s!\n", string); - } +#include <hello.h> +int +main() +{ + printf("Hello, %s!\n", string); +} </file> <file name="hello.h"> - #define string "world" +#define string "world" </file> </scons_example> @@ -1049,10 +1049,10 @@ <scons_example name="depends_ex5"> <file name="SConstruct" printme="1"> - Program('hello.c', CPPPATH = ['include', '/home/project/inc']) +Program('hello.c', CPPPATH = ['include', '/home/project/inc']) </file> <file name="hello.c"> - int main() { printf("Hello, world!\n"); } +int main() { printf("Hello, world!\n"); } </file> </scons_example> @@ -1142,7 +1142,7 @@ </para> <sconstruct> - SetOption('implicit_cache', 1) +SetOption('implicit_cache', 1) </sconstruct> <para> @@ -1291,23 +1291,23 @@ </para> <programlisting> - hello = Program('hello.c') - Depends(hello, 'other_file') +hello = Program('hello.c') +Depends(hello, 'other_file') </programlisting> <!-- XXX mention that you can use arrays for target and source? --> <screen> - % <userinput>scons -Q hello</userinput> - cc -c hello.c -o hello.o - cc -o hello hello.o - % <userinput>scons -Q hello</userinput> - scons: `hello' is up to date. - % <userinput>edit other_file</userinput> - [CHANGE THE CONTENTS OF other_file] - % <userinput>scons -Q hello</userinput> - cc -c hello.c -o hello.o - cc -o hello hello.o +% <userinput>scons -Q hello</userinput> +cc -c hello.c -o hello.o +cc -o hello hello.o +% <userinput>scons -Q hello</userinput> +scons: `hello' is up to date. +% <userinput>edit other_file</userinput> + [CHANGE THE CONTENTS OF other_file] +% <userinput>scons -Q hello</userinput> +cc -c hello.c -o hello.o +cc -o hello hello.o </screen> <para> @@ -1320,9 +1320,9 @@ </para> <programlisting> - hello = Program('hello.c') - goodbye = Program('goodbye.c') - Depends(hello, goodbye) +hello = Program('hello.c') +goodbye = Program('goodbye.c') +Depends(hello, goodbye) </programlisting> <para> @@ -1333,11 +1333,11 @@ </para> <screen> - % <userinput>scons -Q hello</userinput> - cc -c goodbye.c -o goodbye.o - cc -o goodbye goodbye.o - cc -c hello.c -o hello.o - cc -o hello hello.o +% <userinput>scons -Q hello</userinput> +cc -c goodbye.c -o goodbye.o +cc -o goodbye goodbye.o +cc -c hello.c -o hello.o +cc -o hello hello.o </screen> </section> @@ -1364,18 +1364,18 @@ <scons_example name="depends_macroinc"> <file name="hello.c" printme="1"> - #define FOO_HEADER <foo.h> - #include FOO_HEADER +#define FOO_HEADER <foo.h> +#include FOO_HEADER - int main() { - return FOO; - } +int main() { + return FOO; +} </file> <file name="SConstruct"> - Program('hello', 'hello.c', CPPPATH='.') +Program('hello', 'hello.c', CPPPATH='.') </file> <file name="foo.h"> - #define FOO 42 +#define FOO 42 </file> </scons_example> @@ -1416,24 +1416,24 @@ <scons_example name="depends_parsedep"> <file name="hello.c"> - #define FOO_HEADER <foo.h> - #include FOO_HEADER +#define FOO_HEADER <foo.h> +#include FOO_HEADER - int main() { - return FOO; - } +int main() { + return FOO; +} </file> <file name="SConstruct" printme="1"> - obj = Object('hello.c', CCFLAGS='-MD -MF hello.d', CPPPATH='.') - SideEffect('hello.d', obj) - ParseDepends('hello.d') - Program('hello', obj) +obj = Object('hello.c', CCFLAGS='-MD -MF hello.d', CPPPATH='.') +SideEffect('hello.d', obj) +ParseDepends('hello.d') +Program('hello', obj) </file> <file name="foo.h"> - #define FOO 42 +#define FOO 42 </file> <file name="hello.d"> - hello.o: hello.c foo.h +hello.o: hello.c foo.h </file> </scons_example> @@ -1453,21 +1453,21 @@ <scons_example name="depends_parsedeprebuild"> <file name="hello.c"> - #define FOO_HEADER <foo.h> - #include FOO_HEADER +#define FOO_HEADER <foo.h> +#include FOO_HEADER - int main() { - return FOO; - } +int main() { + return FOO; +} </file> <file name="SConstruct"> - obj = Object('hello.c', CCFLAGS='-MD -MF hello.d', CPPPATH='.') - SideEffect('hello.d', obj) - ParseDepends('hello.d') - Program('hello', obj) +obj = Object('hello.c', CCFLAGS='-MD -MF hello.d', CPPPATH='.') +SideEffect('hello.d', obj) +ParseDepends('hello.d') +Program('hello', obj) </file> <file name="foo.h"> - #define FOO 42 +#define FOO 42 </file> </scons_example> @@ -1480,14 +1480,14 @@ --> <screen> - % <userinput>scons -Q</userinput> - cc -o hello.o -c -MD -MF hello.d -I. hello.c - cc -o hello hello.o - % <userinput>scons -Q --debug=explain</userinput> - scons: rebuilding `hello.o' because `foo.h' is a new dependency - cc -o hello.o -c -MD -MF hello.d -I. hello.c - % <userinput>scons -Q</userinput> - scons: `.' is up to date. +% <userinput>scons -Q</userinput> +cc -o hello.o -c -MD -MF hello.d -I. hello.c +cc -o hello hello.o +% <userinput>scons -Q --debug=explain</userinput> +scons: rebuilding `hello.o' because `foo.h' is a new dependency +cc -o hello.o -c -MD -MF hello.d -I. hello.c +% <userinput>scons -Q</userinput> +scons: `.' is up to date. </screen> <para> @@ -1532,16 +1532,16 @@ <scons_example name="depends_ignore"> <file name="SConstruct" printme="1"> - hello_obj=Object('hello.c') - hello = Program(hello_obj) - Ignore(hello_obj, 'hello.h') +hello_obj=Object('hello.c') +hello = Program(hello_obj) +Ignore(hello_obj, 'hello.h') </file> <file name="hello.c"> - #include "hello.h" - int main() { printf("Hello, %s!\n", string); } +#include "hello.h" +int main() { printf("Hello, %s!\n", string); } </file> <file name="hello.h"> - #define string "world" +#define string "world" </file> </scons_example> @@ -1558,15 +1558,15 @@ --> <screen> - % <userinput>scons -Q hello</userinput> - cc -c -o hello.o hello.c - cc -o hello hello.o - % <userinput>scons -Q hello</userinput> - scons: `hello' is up to date. - % <userinput>edit hello.h</userinput> - [CHANGE THE CONTENTS OF hello.h] - % <userinput>scons -Q hello</userinput> - scons: `hello' is up to date. +% <userinput>scons -Q hello</userinput> +cc -c -o hello.o hello.c +cc -o hello hello.o +% <userinput>scons -Q hello</userinput> +scons: `hello' is up to date. +% <userinput>edit hello.h</userinput> + [CHANGE THE CONTENTS OF hello.h] +% <userinput>scons -Q hello</userinput> +scons: `hello' is up to date. </screen> <para> @@ -1591,8 +1591,8 @@ </para> <programlisting> - hello = Program('hello.c', CPPPATH=['/usr/include']) - Ignore(hello, '/usr/include/stdio.h') +hello = Program('hello.c', CPPPATH=['/usr/include']) +Ignore(hello, '/usr/include/stdio.h') </programlisting> <para> @@ -1608,13 +1608,13 @@ <scons_example name="depends_ignore_explicit"> <file name="SConstruct" printme="1"> - hello_obj=Object('hello.c') - hello = Program(hello_obj) - Ignore('.',[hello,hello_obj]) +hello_obj=Object('hello.c') +hello = Program(hello_obj) +Ignore('.',[hello,hello_obj]) </file> <file name="hello.c"> - #include "stdio.h" - int main() { printf("Hello!\n"); } +#include "stdio.h" +int main() { printf("Hello!\n"); } </file> </scons_example> @@ -1669,18 +1669,18 @@ <scons_example name="depends_no-Requires"> <file name="SConstruct" printme="1"> - import time +import time - version_c_text = """ - char *date = "%s"; - """ % time.ctime(time.time()) - open('version.c', 'w').write(version_c_text) +version_c_text = """ +char *date = "%s"; +""" % time.ctime(time.time()) +open('version.c', 'w').write(version_c_text) - hello = Program(['hello.c', 'version.c']) +hello = Program(['hello.c', 'version.c']) </file> <file name="hello.c"> - extern char *date; - int main() { printf("Hello, %s! I was built: %s\n", date); } +extern char *date; +int main() { printf("Hello, %s! I was built: %s\n", date); } </file> </scons_example> @@ -1728,23 +1728,23 @@ <scons_example name="depends_Requires"> <file name="SConstruct" printme="1"> - import time +import time - version_c_text = """ - char *date = "%s"; - """ % time.ctime(time.time()) - open('version.c', 'w').write(version_c_text) +version_c_text = """ +char *date = "%s"; +""" % time.ctime(time.time()) +open('version.c', 'w').write(version_c_text) - version_obj = Object('version.c') +version_obj = Object('version.c') - hello = Program('hello.c', - LINKFLAGS = str(version_obj[0])) +hello = Program('hello.c', + LINKFLAGS = str(version_obj[0])) - Requires(hello, version_obj) +Requires(hello, version_obj) </file> <file name="hello.c"> - extern char *date; - int main() { printf("Hello, %s! I was built: %s\n", date); } +extern char *date; +int main() { printf("Hello, %s! I was built: %s\n", date); } </file> </scons_example> @@ -1801,11 +1801,11 @@ <scons_example name="depends_AlwaysBuild"> <file name="SConstruct" printme="1"> - hello = Program('hello.c') - AlwaysBuild(hello) +hello = Program('hello.c') +AlwaysBuild(hello) </file> <file name="hello.c"> - int main() { printf("Hello, %s!\n", string); } +int main() { printf("Hello, %s!\n", string); } </file> </scons_example> |