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Old 07-24-2016, 08:32 AM   #1
sithun
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compiling SDLInvaders 0.7.6 error


i tried to compile SDLInvaders 0.7.6 and get collect2: error: id returned 1 exit status . how can i fix it?
 
Old 07-24-2016, 09:16 AM   #2
smallpond
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Please don't retype errors. There's an obvious typo in what you provided and you are providing the last (least intersting) line instead of the first (most interesting) line.. Paste the full text of the error in the post.
 
Old 07-24-2016, 11:21 AM   #3
ponce
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the error looks to be this
Code:
weapons.c:216:35: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses]
         while((!galiens[r].health > 0 || galiens[r].alien_type != 0) && 
                                   ^
/usr/lib64/gcc/x86_64-slackware-linux/5.3.0/../../../../x86_64-slackware-linux/bin/ld: /tmp/ccR1xAHB.o: undefined reference to symbol 'sqrt@@GLIBC_2.2.5'
/lib64/libm.so.6: error adding symbols: DSO missing from command line
collect2: error: ld returned 1 exit status
Makefile:9: recipe for target 'SDLInvaders' failed
make: *** [SDLInvaders] Error 1
you can fix that opening the Makefile and changing the CFLAGS from
Code:
CFLAGS=-g `sdl-config --cflags --libs` -Wall -ansi -pedantic -lSDL_image
to
Code:
CFLAGS=-g `sdl-config --cflags --libs` -Wall -ansi -pedantic -lSDL_image -lm
then you can use again the "make" command.
 
2 members found this post helpful.
Old 07-26-2016, 08:58 AM   #4
sithun
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Quote:
Originally Posted by smallpond View Post
Please don't retype errors. There's an obvious typo in what you provided and you are providing the last (least intersting) line instead of the first (most interesting) line.. Paste the full text of the error in the post.
ok, i retype this:

main.c: In function 'new_alien':
main.c:522:41: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses]
if (!galiens[(NUM_INVADERS+1)].health > 0 && the_fighter.mayshoot) {
weapons.c: In function 'specialWeapon_launch':
weapons.c:216:35: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses]
while((!galiens[r].health > 0 galiens[r].alien_type != 0) &&

Quote:
Originally Posted by ponce View Post
the error looks to be this
Code:
weapons.c:216:35: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses]
         while((!galiens[r].health > 0 || galiens[r].alien_type != 0) && 
                                   ^
/usr/lib64/gcc/x86_64-slackware-linux/5.3.0/../../../../x86_64-slackware-linux/bin/ld: /tmp/ccR1xAHB.o: undefined reference to symbol 'sqrt@@GLIBC_2.2.5'
/lib64/libm.so.6: error adding symbols: DSO missing from command line
collect2: error: ld returned 1 exit status
Makefile:9: recipe for target 'SDLInvaders' failed
make: *** [SDLInvaders] Error 1
you can fix that opening the Makefile and changing the CFLAGS from
Code:
CFLAGS=-g `sdl-config --cflags --libs` -Wall -ansi -pedantic -lSDL_image
to
Code:
CFLAGS=-g `sdl-config --cflags --libs` -Wall -ansi -pedantic -lSDL_image -lm
then you can use again the "make" command.
yes, thanks, it is work. and one more thing: when i leave game i have Mix_LoadMUS("data/pennight.mod") Unrecognized music format . it is normal?
 
  


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