undefined reference to `sin' avec mpicc

**Emeric974** · 31/08/2013, 21h47

Bonjour à tous,

J'utilise un fichier dans lequel j'utilise

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#include <math.h>

. Je compile ce fichier avec mipcc mais les messages d'erreur suivant apparaissent :

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FresnelOpticGenerator_CNIM.c:(.text+0x8a6): undefined reference to `sin'
FresnelOpticGenerator_CNIM.c:(.text+0x8da): undefined reference to `cos'

Pourtant j'ai bien :

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emeric@Emeric-PC:/usr$ whereis libm
libm: /usr/lib/libm.so /usr/lib/libm.a

J'utilise mpicc dans le makefile ci-dessous :

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#
GSLLIBS= -L/usr/local/lib -L/opt/local/lib -L/usr/lib -L/home/emeric/gsl-1.16 -lgsl -lgslcblas
#
HARDYHERON64=-fPIC
 
ARCH = $(shell uname)
LEX=flex
YACC=bison -d -v -t
LEXLIB = -lfl
DLLLIB = -ldl
ifeq ($(ARCH),Darwin)
  DLLLIB =
endif
ifeq ($(ARCH),OpenBSD)
  DLLLIB =
endif
 
EXRINCLUDE=-I/usr/local/include/OpenEXR -I/usr/include/OpenEXR -I/opt/local/include/OpenEXR 
EXRLIBDIR=-L/usr/local/lib -L/usr/lib
EXRLIBS=$(EXRLIBDIR) -Bstatic -lIex -lIlmImf -lImath -lIex -lHalf -Bdynamic -lz
ifeq ($(ARCH),Linux)
  EXRLIBS += -lpthread -lIlmThread
endif
 
CC=mpicc 
CXX=mpicxx
LD=$(CXX) $(OPT)
OPT=-O2
 
INCLUDE=-I. -Icore -Imcm -ImcmCodage $(EXRINCLUDE)
WARN=-Wall
CWD=$(shell pwd)
 
CXXFLAGS=$(OPT) $(INCLUDE) $(WARN) $(HARDYHERON64)
CCFLAGS=$(CXXFLAGS)
 
LIBS=$(LEXLIB) $(DLLLIB) $(EXRLIBDIR) $(EXRLIBS) $(GSLLIBS) -lm 
 
SHARED_LDFLAGS = -shared
LRT_LDFLAGS=-rdynamic $(OPT)
 
ifeq ($(ARCH), Darwin)
  OS_VERSION = $(shell uname -r)
  SHARED_LDFLAGS = -flat_namespace -undefined suppress -bundle -noprebind
  LRT_LDFLAGS=$(OPT) # -L/sw/lib
  INCLUDE += -I/sw/include
endif
 
ACCELERATORS = grid kdtree
CAMERAS      = environment orthographic perspective
CORE         = api camera color dynload exrio film geometry light material mc \
               paramset parser primitive reflection sampling scene shape \
               texture timer transform transport util volume pbrtparse pbrtlex
CORE_SCENE   = scene
FILM         = image
FILTERS      = box gaussian mitchell sinc triangle
INTEGRATORS  = directlighting emission irradiancecache \
               path photonmap single whitted igi debug exphotonmap
LIGHTS       = area distant goniometric infinite point projection spot infinitesample
MATERIALS    = bluepaint brushedmetal clay felt \
               glass matte mirror plastic primer \
               shinymetal skin substrate translucent uber mcmMatte
SAMPLERS     = bestcandidate lowdiscrepancy random stratified
SHAPES       = cone cylinder disk heightfield hyperboloid loopsubdiv nurbs \
               paraboloid sphere trianglemesh \
               heliostat truncatedcone H1 H1F1
TEXTURES     = bilerp checkerboard constant dots fbm imagemap marble mix \
               scale uv windy wrinkled
TONEMAPS     = contrast highcontrast maxwhite nonlinear
VOLUMES      = exponential homogeneous volumegrid
 
RENDERER     = pbrt
MCM          = mcm
 
 
 
RENDERER_OBJS     := $(addprefix objs/, $(RENDERER:=.o) )
CORE_OBJS         := $(addprefix objs/, $(CORE:=.o) )
CORE_LIB          := core/libpbrt.a
MCM_OBJS          := $(addprefix objs/, $(MCM:=.o) )
 
SHAPES_DSOS       := $(addprefix bin/, $(SHAPES:=.so))
MATERIALS_DSOS    := $(addprefix bin/, $(MATERIALS:=.so))
LIGHTS_DSOS       := $(addprefix bin/, $(LIGHTS:=.so))
INTEGRATORS_DSOS  := $(addprefix bin/, $(INTEGRATORS:=.so))
VOLUMES_DSOS      := $(addprefix bin/, $(VOLUMES:=.so))
TEXTURES_DSOS     := $(addprefix bin/, $(TEXTURES:=.so))
ACCELERATORS_DSOS := $(addprefix bin/, $(ACCELERATORS:=.so))
CAMERAS_DSOS      := $(addprefix bin/, $(CAMERAS:=.so))
FILTERS_DSOS      := $(addprefix bin/, $(FILTERS:=.so))
FILM_DSOS         := $(addprefix bin/, $(FILM:=.so))
TONEMAPS_DSOS     := $(addprefix bin/, $(TONEMAPS:=.so))
SAMPLERS_DSOS     := $(addprefix bin/, $(SAMPLERS:=.so))
 
SHAPES_OBJS       := $(addprefix objs/, $(SHAPES:=.o))
MATERIALS_OBJS    := $(addprefix objs/, $(MATERIALS:=.o))
LIGHTS_OBJS       := $(addprefix objs/, $(LIGHTS:=.o))
INTEGRATORS_OBJS  := $(addprefix objs/, $(INTEGRATORS:=.o))
VOLUMES_OBJS      := $(addprefix objs/, $(VOLUMES:=.o))
TEXTURES_OBJS     := $(addprefix objs/, $(TEXTURES:=.o))
ACCELERATORS_OBJS := $(addprefix objs/, $(ACCELERATORS:=.o))
CAMERAS_OBJS      := $(addprefix objs/, $(CAMERAS:=.o))
FILTERS_OBJS      := $(addprefix objs/, $(FILTERS:=.o))
FILM_OBJS         := $(addprefix objs/, $(FILM:=.o))
TONEMAPS_OBJS     := $(addprefix objs/, $(TONEMAPS:=.o))
SAMPLERS_OBJS     := $(addprefix objs/, $(SAMPLERS:=.o))
 
RENDERER_BINARY = bin/mcm3d
 
CORE_HEADERFILES = api.h camera.h color.h dynload.h film.h geometry.h \
                  kdtree.h light.h pbrt.h material.h mc.h mipmap.h octree.h \
                  paramset.h primitive.h reflection.h sampling.h scene.h \
                  shape.h texture.h timer.h tonemap.h transform.h transport.h \
                  volume.h
 
CORE_HEADERS := $(addprefix core/, $(CORE_HEADERFILES) )
 
MCM_HEADERFILES = mcm.h
 
MCM_HEADERS := $(addprefix mcm/, $(MCM_HEADERFILES) )
 
MCMCODAGE_HEADERFILES = mcmAlgo.h mcmEntrees.h mcmMethodes.h mcmSorties.h mcmVariables.h
 
MCMCODAGE_HEADERS := $(addprefix mcmCodage/, $(MCMCODAGE_HEADERFILES) )
 
.SECONDARY: $(SHAPES_OBJS) $(MATERIALS_OBJS) $(LIGHTS_OBJS) $(INTEGRATORS_OBJS) \
            $(VOLUMES_OBJS) $(ACCELERATORS_OBJS) $(CAMERAS_OBJS) $(FILTERS_OBJS) \
            $(FILM_OBJS) $(TONEMAPS_OBJS) $(SAMPLERS_OBJS) $(TEXTURES_OBJS)
 
.PHONY: tools exrcheck
 
default: $(CORE_LIB) $(RENDERER_BINARY) $(INTEGRATORS_DSOS) $(VOLUMES_DSOS) $(FILM_DSOS) $(SHAPES_DSOS) $(MATERIALS_DSOS) $(LIGHTS_DSOS) $(ACCELERATORS_DSOS) $(CAMERAS_DSOS) $(SAMPLERS_DSOS) $(FILTERS_DSOS) $(TONEMAPS_DSOS) $(TEXTURES_DSOS) #tools
 
tools: $(CORE_LIB)
	(cd tools && $(MAKE))
 
$(CORE_LIB): $(CORE_OBJS)
	@echo "Building the core rendering library (libpbrt.a)"
	@ar rcs $(CORE_LIB) $(CORE_OBJS)
 
bin/%.so: objs/%.o 
	@$(LD) $(SHARED_LDFLAGS) $^ -o $@
 
objs/%.o: renderer/%.cpp $(CORE_HEADERS) $(MCM_HEADERS)
	@echo "Building the rendering binary (pbrt)"
	@$(CXX) $(CXXFLAGS) -o $@ -c $<
 
objs/%.o: mcm/%.cpp $(MCM_HEADERS)
	@echo "Compiling $<"
	@$(CXX) $(CXXFLAGS) -o $@ -c $<
 
objs/%.o: core/%.cpp $(CORE_HEADERS) $(MCM_HEADERS)
	@echo "Compiling $<"
	@$(CXX) $(CXXFLAGS) -o $@ -c $<
 
objs/scene.o: core/scene.cpp $(CORE_HEADERS) $(MCM_HEADERS) $(MCMCODAGE_HEADERS)
	@echo "Compiling $<"
	@$(CXX) $(CXXFLAGS) -o $@ -c $<
 
objs/%.o: core/%.c $(CORE_HEADERS) $(MCM_HEADERS)
	@echo "Compiling $<"
	@$(CC) $(CCFLAGS) -o $@ -c $<
 
objs/%.o: shapes/%.cpp $(CORE_HEADERS) $(MCM_HEADERS)
	@echo "Building Shape Plugin \"$*\""
	@$(CXX) $(CXXFLAGS) -o $@ -c $<
 
objs/%.o: integrators/%.cpp $(CORE_HEADERS) $(MCM_HEADERS)
	@echo "Building Integrator Plugin \"$*\""
	@$(CXX) $(CXXFLAGS) -o $@ -c $<
 
objs/%.o: volumes/%.cpp $(CORE_HEADERS) $(MCM_HEADERS)
	@echo "Building Volume Plugin \"$*\""
	@$(CXX) $(CXXFLAGS) -o $@ -c $<
 
objs/%.o: textures/%.cpp $(CORE_HEADERS) $(MCM_HEADERS)
	@echo "Building Texture Plugin \"$*\""
	@$(CXX) $(CXXFLAGS) -o $@ -c $<
 
objs/%.o: materials/%.cpp $(CORE_HEADERS) $(MCM_HEADERS)
	@echo "Building Material Plugin \"$*\""
	@$(CXX) $(CXXFLAGS) -o $@ -c $<
 
objs/%.o: lights/%.cpp $(CORE_HEADERS) $(MCM_HEADERS)
	@echo "Building Light Plugin \"$*\""
	@$(CXX) $(CXXFLAGS) -o $@ -c $<
 
objs/%.o: accelerators/%.cpp $(CORE_HEADERS) $(MCM_HEADERS)
	@echo "Building Accelerator Plugin \"$*\""
	@$(CXX) $(CXXFLAGS) -o $@ -c $<
 
objs/%.o: cameras/%.cpp $(CORE_HEADERS) $(MCM_HEADERS)
	@echo "Building Camera Plugin \"$*\""
	@$(CXX) $(CXXFLAGS) -o $@ -c $<
 
objs/%.o: filters/%.cpp $(CORE_HEADERS) $(MCM_HEADERS)
	@echo "Building Filter Plugin \"$*\""
	@$(CXX) $(CXXFLAGS) -o $@ -c $<
 
objs/%.o: tonemaps/%.cpp $(CORE_HEADERS) $(MCM_HEADERS)
	@echo "Building Tone Map Plugin \"$*\""
	@$(CXX) $(CXXFLAGS) -o $@ -c $<
 
objs/%.o: film/%.cpp $(CORE_HEADERS) $(MCM_HEADERS)
	@echo "Building Film Plugin \"$*\""
	@$(CXX) $(CXXFLAGS) -o $@ -c $<
 
objs/%.o: samplers/%.cpp $(CORE_HEADERS) $(MCM_HEADERS)
	@echo "Building Sampler Plugin \"$*\""
	@$(CXX) $(CXXFLAGS) -o $@ -c $<
 
core/pbrtlex.cpp: core/pbrtlex.l
	@echo "Lex'ing pbrtlex.l"
	@$(LEX) -o$@ core/pbrtlex.l
 
core/pbrtparse.h core/pbrtparse.cpp: core/pbrtparse.y
	@echo "YACC'ing pbrtparse.y"
	@$(YACC) -o $@ core/pbrtparse.y
	@if [ -e core/pbrtparse.cpp.h ]; then /bin/mv core/pbrtparse.cpp.h core/pbrtparse.h; fi
	@if [ -e core/pbrtparse.hpp ]; then /bin/mv core/pbrtparse.hpp core/pbrtparse.h; fi
 
#$(RENDERER_BINARY): $(RENDERER_OBJS) $(CORE_LIB)
$(RENDERER_BINARY): $(RENDERER_OBJS) $(MCM_OBJS) $(CORE_LIB)
	@echo "Linking $@"
 
	@$(CXX) $(LRT_LDFLAGS) -o $@ $(RENDERER_OBJS) $(MCM_OBJS) $(PBRTPRELINK) $(CORE_OBJS) $(PBRTPOSTLINK) $(LIBS)
 
clean:
	rm -f */*.o */*.so */*.a bin/mcm3d core/pbrtlex.[ch]* core/pbrtparse.[ch]*
	(cd tools && $(MAKE) clean)
 
objs/exrio.o: exrcheck
 
exrcheck:
	@echo -n Checking for EXR installation... 
	@$(CXX) $(CXXFLAGS) -o exrcheck exrcheck.cpp $(LIBS) || \
		(cat exrinstall.txt; exit 1)

Merci d'avance

**Trademark** · 01/09/2013, 12h04

Salut,

Tu dois ajouter -lm dans tes flags de compilation (je ne pense pas l'avoir vu).

**Emeric974** · 01/09/2013, 19h32

Je ne sais pas trop comme ajouter -lm. J'ai fais la chose suivante :

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CXXFLAGS= $(OPT) $(INCLUDE) $(WARN) $(HARDYHERON64) -lm
CCFLAGS= $(CXXFLAGS) -lm

mais sans succès...

**Trademark** · 01/09/2013, 22h52

Laisse tomber, j'ai rien dit ça y étais déjà dans "LIBS".

Tu compiles en faisant make "quoi" ?

**Emeric974** · 03/09/2013, 10h01

Salut,

Quand je fais un make directement je n'ai pas de message d'erreur (je viens de le réaliser). En faite, il y a plusieurs fichiers qui sont exécutés à l'aide du script Bash ci-dessous. Le problème vient certainement delà.
Mon message d'erreur est :

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FresnelOpticGenerator_CNIM.c:(.text+0x875): undefined reference to `cos'

alors que dans le bash j'ai bien :

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 gcc -lm -Wall  -o EXEC FresnelOpticGenerator_CNIM.c

voici le script complet :

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#!/bin/bash 
###to enable execution rights for this file, use command:   chmod +x this_file_name
 
#PBRT_SEARCHPATH=$HOME/EDStar/Mcm3D/bin
#export PBRT_SEARCHPATH
#PATH=$PBRT_SEARCHPATH:$PATH
#export PATH
 
 
#utilite de "unset"????
unset list
unset i
unset parameter
unset n
 
### Option: 0 for rendering, 1 for Monte Carlo simulation,
Option=1
export Option
 
### kind of computation: 0 for View Factor computation, 1 for Flux computation, 2 for mofified flux computation
Computation=0
export Computation
 
### kind of geometry used: 1 for single absorber tube (Mono-tube), 2 for double absorber tubes (Bi-tubes)
Geometry=1
export Geometry
 
 
### List of values that the varying parameter will take:
list0="0" #"6 7 8 9 10 11 12 13 14 15 16 17 18" #"12" #"5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20" #"6 7 8 9 10 11 12 13 14 15 16 17 18" #"4 6 8 10 12 14 16" #Hour of the day
list1="89" #unused
list2="1" #unused
list3="1" #unused
echo $list0
echo $list1
echo $list2
echo $list3
#to use parameter in terminal type:
#| parameter="12"
#| export parameter
 
 
FirstComputation=1
 
 
############################################################ Set name of geometry generator:
 
if (( $Geometry == 1 )); then
 gcc -lm -Wall -std=c99 -o EXEC FresnelOpticGenerator_CNIM.c
elif (( $Geometry == 2 )); then
gcc -lm -Wall -std=c99 -o EXEC FresnelOpticGenerator_CNIM_bitubes.c
else
 gcc -lm -Wall -std=c99 -o CreatinPBRTfile_FLR_20130707.c
fi
 
i0=1
i1=1
i2=1
i3=1
parameter0=""
parameter1=""
parameter2=""
parameter3=""
 
    parameter2=${list2%% *}
    export parameter2
 
    parameter3=${list3%% *}
    export parameter3
 
 
while [ "$parameter1" != "$list1" ]
do
    parameter1=${list1%% *}
    export parameter1
    list1=${list1#* }
 
    echo "parameter1=${parameter1}"
    echo "list1=${list1}"
 
list=${list0}
i0=1
 
while [ "$parameter0" != "$list0" ]
do
    parameter0=${list0%% *}
    export parameter0
    list0=${list0#* }
 
    echo "parameter0=${parameter0}"
    echo "list0=${list0}"
 
   ./EXEC
 
if (( $FirstComputation == 1 )); then #first computation of a series
 
if (( $Option == 1 )); then #Monte Carlo
 
cd ../Mcm3D/mcmCodage
rm mcmAlgo.h
############################################################ Set name of Monte Carlo algorithm:
 
if (( $Computation == 0 )); then
 ln -s AlgoFresnel_VF_Mcm3D_CS.h mcmAlgo.h
elif (( $Computation == 1 )); then
 ln -s AlgoFresnel_Mcm3D_CS_modified.h mcmAlgo.h
 elif (( $Computation == 2 )); then
 ln -s AlgoFresnel_Mcm3D_CS_modifiedV2.h mcmAlgo.h
fi
 
cd -
 
cd ../Mcm3D
make
cd -
 
fi #end Monte Carlo
 
FirstComputation=0
fi #end FirstComputation
 
 
 
 
if (( $Option == 0 )); then #rendering
    rm fresnel_geometry.exr
	mpiexec -n 1 mcm3d FresnelOptic.pbrt
 
    cp fresnel_geometry.exr geometry_picture/fresnel_geometry_${i1}_${i0}.exr
    convert -brightness-contrast 4 +contrast +contrast +contrast +contrast  fresnel_geometry.exr geometry_picture/fresnel_geometry_${i1}_${i0}.png
##    open fresnel_geometry${i1}${i0}.exr
 
    gawk '{print $3>"data_parameters_Photo''_'"$i1"'_'"$i0"'"}' FOG_parameters.txt
elif (( $Option == 1 )); then #Monte Carlo
 
	if (( $Computation == 0 )); then
   	mpiexec -n 4 mcm3d FresnelOptic_VF.pbrt
	elif (( $Computation == 1 )); then
	mpiexec -n 4 mcm3d FresnelOptic.pbrt
	fi
 
    cp mcm.out Mcmfile/mcm_${i1}_${i0}.out
 
    gawk '{print $3>"data_parameters/data_parameters''_'"$i1"'_'"$i0"'"}' FOG_parameters.txt
    gawk '$1=="Variable"{print $8>"data_values/data_values''_'"$i1"'_'"$i0"'"}' mcm.out
    gawk '$1=="Variable"{print $10>"data_precisions/data_precisions''_'"$i1"'_'"$i0"'"}' mcm.out
###    gawk '$1=="Nombre"{print $6>"number_rays'"$i1"'_'"$i0"'"}' mcm.in
    gawk '$1=="Nombre"{print $6>"number_rays"}' mcm.in
fi 
 
    cp FOG_parameters.txt FOG_parameters/FOG_parameters_${i1}_${i0}.txt
 
 
    i0=`expr $i0 + 1`
done
 
list0=${list}
 
    i1=`expr $i1 + 1`
echo "i1=${i1}"
done
 
if (( $Option == 0 )); then #rendering
   mirage .
fi
 
 
# In SCILAB:
############
# 
# Extraction and Postprocessing of the results in Octave/Matlab thanks to file:
# 
#        ExtractResults#.m
#                      Plus
############

**Emeric974** · 03/09/2013, 13h58

C'est résolu, -lm était mal placé dans mon bash.

undefined reference to `sin' avec mpicc [MPI]

Programmation parallèle, calcul scientifique et de haute performance (HPC)

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