#2265: lib/rst/qtree.c compilation error
-----------------------+----------------------------------------------------
Reporter: neteler | Owner: grass-dev@…
Type: defect | Status: new
Priority: normal | Milestone: 7.0.0
Component: Compiling | Version: svn-trunk
Keywords: rst | Platform: Linux
Cpu: x86-64 |
-----------------------+----------------------------------------------------
This error occurs when compiling current GRASS 7 trunk:
{{{
make[4]: Leaving directory `/home/neteler/software/grass71/lib/rst/data'
qtree.c:20:63: warning: ‘struct quaddata’ declared inside parameter list
[enabled by default]
*MT_functions_new(int (*compare) (struct triple *, struct quaddata
*),
^
qtree.c:20:63: warning: its scope is only this definition or declaration,
which is probably not what you want [enabled by default]
qtree.c:20:63: warning: ‘struct triple’ declared inside parameter list
[enabled by default]
qtree.c:24:12: warning: ‘struct triple’ declared inside parameter list
[enabled by default]
double),
^
qtree.c:28:7: warning: ‘struct quaddata’ declared inside parameter list
[enabled by default]
int))
^
qtree.c: In function ‘MT_functions_new’:
qtree.c:32:56: error: invalid application of ‘sizeof’ to incomplete type
‘struct multfunc’
if (!(functions = (struct multfunc *)malloc(sizeof(struct
multfunc)))) {
^
qtree.c:35:14: error: dereferencing pointer to incomplete type
functions->compare = compare;
^
qtree.c:36:14: error: dereferencing pointer to incomplete type
functions->divide_data = divide_data;
^
qtree.c:37:14: error: dereferencing pointer to incomplete type
functions->add_data = add_data;
^
qtree.c:38:14: error: dereferencing pointer to incomplete type
functions->intersect = intersect;
^
qtree.c:39:14: error: dereferencing pointer to incomplete type
functions->division_check = division_check;
^
qtree.c:40:14: error: dereferencing pointer to incomplete type
functions->get_points = get_points;
^
qtree.c: At top level:
qtree.c:46:8: warning: ‘struct multtree’ declared inside parameter list
[enabled by default]
int kmax)
^
qtree.c: In function ‘MT_tree_info_new’:
qtree.c:50:52: error: invalid application of ‘sizeof’ to incomplete type
‘struct tree_info’
if (!(info = (struct tree_info *)malloc(sizeof(struct tree_info)))) {
^
qtree.c:53:9: error: dereferencing pointer to incomplete type
info->root = root;
^
qtree.c:54:9: error: dereferencing pointer to incomplete type
info->functions = functions;
^
qtree.c:55:9: error: dereferencing pointer to incomplete type
info->dmin = dmin;
^
qtree.c:56:9: error: dereferencing pointer to incomplete type
info->kmax = kmax;
^
qtree.c: At top level:
qtree.c:62:9: warning: ‘struct quaddata’ declared inside parameter list
[enabled by default]
int multant)
^
qtree.c: In function ‘MT_tree_new’:
qtree.c:66:51: error: invalid application of ‘sizeof’ to incomplete type
‘struct multtree’
if (!(tree = (struct multtree *)malloc(sizeof(struct multtree)))) {
^
qtree.c:69:9: error: dereferencing pointer to incomplete type
tree->data = data;
^
qtree.c:70:9: error: dereferencing pointer to incomplete type
tree->leafs = leafs;
^
qtree.c:71:9: error: dereferencing pointer to incomplete type
tree->parent = parent;
^
qtree.c:72:9: error: dereferencing pointer to incomplete type
tree->multant = multant;
^
qtree.c: At top level:
qtree.c:79:39: warning: ‘struct triple’ declared inside parameter list
[enabled by default]
struct tree_info *info, struct multtree *tree, int n_leafs)
^
qtree.c: In function ‘MT_insert’:
qtree.c:99:13: error: dereferencing pointer to incomplete type
if (tree->data == NULL) {
^
qtree.c:103:13: error: dereferencing pointer to incomplete type
i = info->functions->division_check(tree->data, info->kmax);
^
qtree.c:103:45: error: dereferencing pointer to incomplete type
i = info->functions->division_check(tree->data, info->kmax);
^
qtree.c:103:57: error: dereferencing pointer to incomplete type
i = info->functions->division_check(tree->data, info->kmax);
^
qtree.c:106:17: error: dereferencing pointer to incomplete type
comp = info->functions->compare(point, tree->data);
^
qtree.c:106:49: error: dereferencing pointer to incomplete type
comp = info->functions->compare(point, tree->data);
^
qtree.c:109:37: error: dereferencing pointer to incomplete type
j = MT_insert(point, info, tree->leafs[comp - 1], n_leafs);
^
qtree.c:113:11: error: dereferencing pointer to incomplete type
j = info->functions->add_data(point, tree->data, info->dmin);
^
qtree.c:113:44: error: dereferencing pointer to incomplete type
j = info->functions->add_data(point, tree->data, info->dmin);
^
qtree.c:113:56: error: dereferencing pointer to incomplete type
j = info->functions->add_data(point, tree->data, info->dmin);
^
qtree.c:118:2: error: implicit declaration of function ‘MT_divide’
[-Werror=implicit-function-declaration]
k = MT_divide(info, tree, n_leafs);
^
qtree.c: In function ‘MT_divide’:
qtree.c:146:17: error: dereferencing pointer to incomplete type
datas = info->functions->divide_data(tree->data, info->kmax,
info->dmin);
^
qtree.c:146:46: error: dereferencing pointer to incomplete type
datas = info->functions->divide_data(tree->data, info->kmax,
info->dmin);
^
qtree.c:146:58: error: dereferencing pointer to incomplete type
datas = info->functions->divide_data(tree->data, info->kmax,
info->dmin);
^
qtree.c:146:70: error: dereferencing pointer to incomplete type
datas = info->functions->divide_data(tree->data, info->kmax,
info->dmin);
^
qtree.c:154:2: warning: passing argument 1 of ‘MT_tree_new’ from
incompatible pointer type [enabled by default]
leafs[i - 1] = MT_tree_new(datas[i], NULL, par, i);
^
qtree.c:60:18: note: expected ‘struct quaddata *’ but argument is of type
‘struct quaddata *’
struct multtree *MT_tree_new(struct quaddata *data,
^
qtree.c:156:9: error: dereferencing pointer to incomplete type
tree->leafs = leafs;
^
qtree.c: At top level:
qtree.c:166:6: warning: ‘struct quaddata’ declared inside parameter list
[enabled by default]
int n_leafs)
^
qtree.c: In function ‘MT_region_data’:
qtree.c:180:13: error: dereferencing pointer to incomplete type
if (tree->data == NULL) {
^
qtree.c:184:13: error: dereferencing pointer to incomplete type
if (info->functions->intersect(data, tree->data)) {
^
qtree.c:184:46: error: dereferencing pointer to incomplete type
if (info->functions->intersect(data, tree->data)) {
^
qtree.c:185:10: error: dereferencing pointer to incomplete type
if (tree->leafs != NULL) {
^
qtree.c:188:37: error: dereferencing pointer to incomplete type
n + MT_region_data(info, tree->leafs[j], data, MAX - n,
^
qtree.c:194:14: error: dereferencing pointer to incomplete type
n = info->functions->get_points(data, tree->data, MAX);
^
qtree.c:194:48: error: dereferencing pointer to incomplete type
n = info->functions->get_points(data, tree->data, MAX);
^
cc1: some warnings being treated as errors
make[4]: *** [OBJ.x86_64-unknown-linux-gnu/qtree.o] Error 1
}}}
Interestingly it disappears at the second compilation attempt:
{{{
# Note: linebreaks inserted for legibility:
[neteler@pgis_north qtree]$ make
gcc -g -O1 -Wall -Werror-implicit-function-declaration
-fno-common -fexceptions -Wreturn-type -std=gnu99 -Wp,-D_FORTIFY_SOURCE=2
-fexceptions -fstack-protector
-m64 -mtune=generic -fPIC
-I/home/neteler/software/grass71/dist.x86_64-unknown-linux-gnu/include
-I/home/neteler/software/grass71/dist.x86_64-unknown-linux-gnu/include
-DPACKAGE=\""grasslibs"\"
-I/home/neteler/software/grass71/dist.x86_64-unknown-linux-gnu/include
-I/home/neteler/software/grass71/dist.x86_64-unknown-linux-gnu/include
-o OBJ.x86_64-unknown-linux-gnu/qtree.o -c qtree.c
gcc -shared
-o /home/neteler/software/grass71/dist.x86_64-unknown-linux-
gnu/lib/libgrass_qtree.7.1.svn.so
-L/home/neteler/software/grass71/dist.x86_64-unknown-linux-gnu/lib
-L/home/neteler/software/grass71/dist.x86_64-unknown-linux-gnu/lib -Wl
,--no-undefined -Wl,-z,relro
-Wl,--export-dynamic -L/usr/lib64
-Wl,-rpath-link,/home/neteler/software/grass71/dist.x86_64-unknown-linux-
gnu/lib OBJ.x86_64-unknown-linux-gnu/qtree.o -lm
(cd /home/neteler/software/grass71/dist.x86_64-unknown-linux-gnu/lib; ln
-f
-s libgrass_qtree.7.1.svn.so /home/neteler/software/grass71/dist.x86_64
-unknown-linux-gnu/lib/libgrass_qtree.so)
if [ "" != "" -a -f "".html ] ; then make html ; fi
}}}
--
Ticket URL: <http://trac.osgeo.org/grass/ticket/2265>
GRASS GIS <http://grass.osgeo.org>