thanks for reply
here's the whole message after i build them:
(the full build messages is on the attachment)
https://www.alteraforum.com/forum/attachment.php?attachmentid=1555 Here's the 1st half of the build message
$ make all
Info: Building ../../bsp/hal_default
make: Circular src/mad/sf_table.dat <- mp3_player.elf dependency dropped.
make: Circular src/mad/qc_table.dat <- mp3_player.elf dependency dropped.
make: Circular src/mad/rq_table.dat <- mp3_player.elf dependency dropped.
make: Circular src/mad/imdct_s.dat <- mp3_player.elf dependency dropped.
make: Circular src/mad/D.dat <- mp3_player.elf dependency dropped.
Info: Linking mp3_player.elf
nios2-elf-g++ -T'../../bsp/hal_default/linker.x' -msys-crt0='../../bsp/hal_default/obj/HAL/src/crt0.
o' -msys-lib=hal_bsp -L../../bsp/hal_default -Wl,-Map=mp3_player.map -O3 -g -Wall -mno-hw-div
-mhw-mul -mno-hw-mulx -o mp3_player.elf obj/src/.metadata/.plugins/org.eclipse.cdt.make.core/specs.
o obj/src/alt_touchscreen/alt_touchscreen.o obj/src/audio/audio_ctrl.o obj/src/fonts/arial_24.o obj/
src/fonts/arial_28.o obj/src/fonts/arialbold_28.o obj/src/fonts/arialroundedmtbold_28.o obj/src/font
s/arialroundedmtbold_58.o obj/src/gimp_bmp/gimp_bmp.o obj/src/graphics_lib/simple_graphics.o obj/src
/graphics_lib/simple_text.o obj/src/gui.o obj/src/gui_old.o obj/src/i2c/i2c_ctrl.o obj/src/images/al
tera_big.o obj/src/images/altera_small.o obj/src/images/edit_not_pressed.o obj/src/images/edit_press
ed.o obj/src/images/pause_not_pressed.o obj/src/images/pause_pressed.o obj/src/images/play_not_press
ed.o obj/src/images/play_pressed.o obj/src/images/prog_bar_empty_center_10x27.o obj/src/images/prog_
bar_empty_left_10x27.o obj/src/images/prog_bar_empty_right_10x27.o obj/src/images/prog_bar_on_10x27.
o obj/src/images/prog_bar_on_left_10x27.o obj/src/images/prog_bar_on_left_right_10x27.o obj/src/imag
es/prog_bar_on_right_10x27.o obj/src/images/random_not_pressed.o obj/src/images/random_pressed.o obj
/src/images/repeat_not_pressed.o obj/src/images/repeat_pressed.o obj/src/images/skip_back_not_presse
d.o obj/src/images/skip_back_pressed.o obj/src/images/skip_fwd_not_pressed.o obj/src/images/skip_fwd
_pressed.o obj/src/mad/audio.o obj/src/mad/bit.o obj/src/mad/decoder.o obj/src/mad/fixed.o obj/src/m
ad/frame.o obj/src/mad/huffman.o obj/src/mad/layer12.o obj/src/mad/layer3.o obj/src/mad/stream.o obj
/src/mad/synth.o obj/src/mad/timer.o obj/src/mad/version.o obj/src/main.o obj/src/player_lib.o obj/s
rc/touchscreen.o -lm
obj/src/gui_old.o(.text+0x0): In function `CopyImageToBuffer':
src/gui_old.c:43: multiple definition of `CopyImageToBuffer'
obj/src/gui.o(.text+0x0):src/gui.c:44: first defined here
obj/src/gui_old.o(.text+0x84): In function `CopyImageToCoords':
src/gui_old.c:66: multiple definition of `CopyImageToCoords'
obj/src/gui.o(.text+0x84):src/gui.c:67: first defined here
obj/src/gui_old.o(.text+0x130): In function `CopyBlockToNextFrame':
src/gui_old.c:89: multiple definition of `CopyBlockToNextFrame'
obj/src/gui.o(.text+0x130):src/gui.c:90: first defined here
obj/src/gui_old.o(.text+0x1f4): In function `DisplaySlider':
src/gui_old.c:125: multiple definition of `DisplaySlider'
obj/src/gui.o(.text+0x1f4):src/gui.c:126: first defined here
obj/src/gui_old.o(.text+0x684): In function `load_gimp_graphic_to_pointer':
src/gui_old.c:218: multiple definition of `load_gimp_graphic_to_pointer'
obj/src/gui.o(.text+0x684):src/gui.c:219: first defined here
obj/src/gui_old.o(.text+0x718): In function `PrerenderButton':
src/gui_old.c:247: multiple definition of `PrerenderButton'
obj/src/gui.o(.text+0x718):src/gui.c:248: first defined here
obj/src/gui_old.o(.text+0x83c): In function `PrerenderSlider':
src/gui_old.c:299: multiple definition of `PrerenderSlider'
$ $ make all
obj/src/gui_old.o(.text+0xad8): In function `DisplayGimpImage':
src/gui_old.c:375: multiple definition of `DisplayGimpImage'
obj/src/gui.o(.text+0xad8):src/gui.c:376: first defined here
obj/src/gui_old.o(.text+0xbc8): In function `DisplaySliders':
src/gui_old.c:435: multiple definition of `DisplaySliders'
obj/src/gui.o(.text+0xf4c):src/gui.c:429: first defined here
obj/src/gui_old.o(.text+0xcac): In function `PrerenderButtons':
src/gui_old.c:467: multiple definition of `PrerenderButtons'
obj/src/gui.o(.text+0x1030):src/gui.c:461: first defined here
obj/src/gui_old.o(.text+0xe84): In function `DrawGradBox':
src/gui_old.c:610: multiple definition of `DrawGradBox'
obj/src/gui.o(.text+0x1208):src/gui.c:604: first defined here
obj/src/gui_old.o(.text+0x18c4): In function `InverseRoundCornerPoints':
src/gui_old.c:825: multiple definition of `InverseRoundCornerPoints'
obj/src/gui.o(.text+0x1c48):src/gui.c:819: first defined here
obj/src/gui_old.o(.text+0x1b3c): In function `FillInverseRoundCorners':
src/gui_old.c:853: multiple definition of `FillInverseRoundCorners'
obj/src/gui.o(.text+0x1ec0):src/gui.c:847: first defined here
obj/src/gui_old.o(.text+0x1c80): In function `DrawRoundCornerGradBox':
src/gui_old.c:933: multiple definition of `DrawRoundCornerGradBox'
obj/src/gui.o(.text+0x2004):src/gui.c:927: first defined here
obj/src/gui_old.o(.text+0x1d3c): In function `DrawWindow':
src/gui_old.c:556: multiple definition of `DrawWindow'
obj/src/gui.o(.text+0x20c0):src/gui.c:550: first defined here
obj/src/gui_old.o(.text+0x1eb0): In function `CoordsAreInArea':
src/gui_old.c:960: multiple definition of `CoordsAreInArea'
obj/src/gui.o(.text+0x2234):src/gui.c:954: first defined here
obj/src/gui_old.o(.text+0x1ee4): In function `CoordsAreOnSlider':
src/gui_old.c:989: multiple definition of `CoordsAreOnSlider'
obj/src/gui.o(.text+0x2268):src/gui.c:983: first defined here
obj/src/gui_old.o(.text+0x1f1c): In function `CoordsAreOnButton':
src/gui_old.c:1021: multiple definition of `CoordsAreOnButton'
obj/src/gui.o(.text+0x22a0):src/gui.c:1015: first defined here
obj/src/gui_old.o(.text+0x1f54): In function `UpdateSlider':
src/gui_old.c:1052: multiple definition of `UpdateSlider'
obj/src/gui.o(.text+0x22d8):src/gui.c:1046: first defined here
obj/src/gui_old.o(.text+0x204c): In function `DisplayButton':
src/gui_old.c:1106: multiple definition of `DisplayButton'
obj/src/gui.o(.text+0xbc8):src/gui.c:1100: first defined here
obj/src/gui_old.o(.text+0x2134): In function `UpdateButton':
src/gui_old.c:1148: multiple definition of `UpdateButton'
obj/src/gui.o(.text+0x23d0):src/gui.c:1142: first defined here
obj/src/gui_old.o(.text+0x2470): In function `UpdateMainButtons':
src/gui_old.c:1241: multiple definition of `UpdateMainButtons'
obj/src/gui.o(.text+0x270c):src/gui.c:1235: first defined here
obj/src/gui_old.o(.text+0x2598): In function `vid_print_string_alpha_max_x':
src/gui_old.c:1301: multiple definition of `vid_print_string_alpha_max_x'
obj/src/gui.o(.text+0x2834):src/gui.c:1295: first defined here
obj/src/gui_old.o(.text+0x2664): In function `vid_print_string_alpha_prerendered':
src/gui_old.c:1339: multiple definition of `vid_print_string_alpha_prerendered'
obj/src/gui.o(.text+0x2900):src/gui.c:1333: first defined here
obj/src/gui_old.o(.text+0x2854): In function `vid_print_string_alpha_prerendered_max_x':
src/gui_old.c:1401: multiple definition of `vid_print_string_alpha_prerendered_max_x'
obj/src/gui.o(.text+0x2af0):src/gui.c:1395: first defined here
obj/src/gui_old.o(.text+0x2914): In function `PrerenderFont':
src/gui_old.c:1457: multiple definition of `PrerenderFont'
obj/src/gui.o(.text+0x2bb0):src/gui.c:1451: first defined here
obj/src/gui_old.o(.text+0x2a48): In function `PrerenderFonts':
src/gui_old.c:1438: multiple definition of `PrerenderFonts'
obj/src/gui.o(.text+0x2ce4):src/gui.c:1432: first defined here
obj/src/gui_old.o(.text+0x2eec): In function `DisplayPlayTime':
src/gui_old.c:1501: multiple definition of `DisplayPlayTime'
obj/src/gui.o(.text+0x3188):src/gui.c:1495: first defined here