OCI: Compiling and Linking?

At the end of Chapter 1 of the OCI documentation, under
"Compiling and Linking", it says:
The details of linking an OCI program vary from system to
system. See your Oracle system-specific documentation and the
installation guide for more information about compiling and
linking an OCI application for your specific platform.
...except that none of the Linux-specific documentation online
(including the installation guide) covers compiling and linking.
I tried linking with libclntsh.so, but it gets an unresolved
symbol (slpmprodstab). I found this symbol in several of the .a
and .o files, but linking with them leads to other unresolved
symbols. Can someone please tell me what to do and/or point me
to the right documentation?
null

John,
I'm using:
export ORACLE_HOME=/oracle ### this is the must
make -f demo_rdbms.mk cdemo1 ### etc
Good luck.
John Stracke (guest) wrote:
: At the end of Chapter 1 of the OCI documentation, under
: "Compiling and Linking", it says:
: The details of linking an OCI program vary from system to
: system. See your Oracle system-specific documentation and the
: installation guide for more information about compiling and
: linking an OCI application for your specific platform.
: ...except that none of the Linux-specific documentation online
: (including the installation guide) covers compiling and
linking.
: I tried linking with libclntsh.so, but it gets an unresolved
: symbol (slpmprodstab). I found this symbol in several of the
.a
: and .o files, but linking with them leads to other unresolved
: symbols. Can someone please tell me what to do and/or point me
: to the right documentation?
null

Similar Messages

Using GCC on SunSolaris2.8 to compile and link sample OCI programs

Hi,
Does anyone have sample make file (or modified version of demo_rdbms.mk) or command to compile and link OCI demo programs using gcc?? I am trying to compile and link cdemo81.c from rdbms/demo directory.
gcc related files are under /usr/local/bin and /usr/local/lib, /us/local/lib/gcc-lib/sparc-sun-solaris2.8/3.1
Thanks

Hi,
I finally got cdemo81.c to compile and link on Solaris 8 using Oracle 8.1.7.3. I got some help from one other person who had posted similar question on this forum. Following is the makefile that I am currently using to compile my oci code. Please note that you need to have $(ORACLE_HOME) and LD_LIBRARTY_PATH set before you try to compile using gcc.
************** Makefile Starts here ***********************************
CPP=g++
CC=gcc
LD=ld
CCFLAGS= -g
CPPFLAGS=-g3 -Wall
INCDIR=-I$(ORACLE_HOME)/rdbms/demo -I$(ORACLE_HOME)/rdbms/public -I$(ORACLE_HOME)/plsql/public -I$(ORACLE_HOME)/network/public
LIBNAME=liboralib
SOEXT=.so
DLLINK=-shared -ldl
###SOFLAGS=-shared -Wl,-expect_unresolved -Wl,-soname,$(LIBNAME)$(SOEXT) $(LIBPATH)
SOFLAGS=-shared -Wl
LDFLAGS=-shared -expect_unresolved * -soname
LIBPATH=-L$(ORACLE_HOME)/lib/ -L$(ORACLE_HOME)/rdbms/lib/ -R$(ORACLE_HOME)/lib/ -R$(ORACLE_HOME)/rdbms/lib/
ORALIBS= -lnbeq8 -lnhost8 -lnus8 -lnldap8 -lldapclnt8 -lnsslb8 -lnoname8 -lntcp8 \
-lntcps8 -lnsslb8 -lntcp8 -lntns8 -ln8 -lnl8 -lnro8 -lnbeq8 -lnhost8 -lnus8 \
-lnldap8 -lldapclnt8 -lnsslb8 -lnoname8 -lntcp8 -lntcps8 -lnsslb8 \
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-lmm -lnls8 -lcore8 -lnls8 -lcore8 -lnls8 -lnbeq8 -lnhost8 -lnus8 -lnldap8 \
-lldapclnt8 -lnsslb8 -lnoname8 -lntcp8 -lntcps8 -lnsslb8 -lntcp8 \
-lntns8 -ln8 -lnl8 -lnro8 -lnbeq8 -lnhost8 -lnus8 -lnldap8 -lldapclnt8 \
-lnsslb8 -lnoname8 -lntcp8 -lntcps8 -lnsslb8 -lntcp8 -lntns8 -ln8 \
-lnl8 -lclient8 -lvsn8 -lcommon8 -lgeneric8 -ltrace8 -lnls8 -lcore8 \
-lnls8 -lcore8 -lnls8 -lclient8 -lvsn8 -lcommon8 -lgeneric8 -lnls8 \
-lcore8 -lnls8 -lcore8 -lnls8 -lnsl -lsocket -lgen -ldl -lsched \
-lc -laio -lposix4 -lkstat -lm -lthread -lwtc8
LIBS=$(ORACLE_HOME)/rdbms/lib/defopt.o $(ORACLE_HOME)/lib/sscoreed.o $(ORACLE_HOME)/lib/libclntsh.so $(ORACLE_HOME)/lib/nautab.o $(ORACLE_HOME)/lib/naeet.o $(ORACLE_HOME)/lib/naect.o $(ORACLE_HOME)/lib/naedhs.o $(ORALIBS)
##LIBS=$(ORACLE_HOME)/rdbms/lib/defopt.o $(ORACLE_HOME)/lib/sscoreed.o $(ORACLE_HOME)/lib/nautab.o $(ORACLE_HOME)/lib/naeet.o $(ORACLE_HOME)/lib/naect.o $(ORACLE_HOME)/lib/naedhs.o $(ORALIBS)
###LIBS=$(ORACLE_HOME)/rdbms/lib/ssdbaed.o $(ORACLE_HOME)/lib/nautab.o $(ORACLE_HOME)/lib/naeet.o $(ORACLE_HOME)/lib/naect.o $(ORACLE_HOME)/lib/naedhs.o $(ORALIBS)
ORALIBSO=-lnetv2 -lnttcp -lnetwork -lncr -lclient8 -lvsn -lcommon8 -lgeneric8 \
-lmm -lnlsrtl3 -lcore8 -lnlsrtl3 -lcore8 -lnlsrtl3 -lnetv2 -lnttcp \
-lnetwork -lncr -lclient8 -lvsn -lcommon8 -lgeneric8 -lepc -lnlsrtl3 \
-lcore8 -lnlsrtl3 -lcore8 -lnlsrtl3 -lclient8 -lvsn -lcommon8 -lgeneric8 \
-lnlsrtl3 -lcore8 -lnlsrtl3 -lcore8 -lnlsrtl3 -lnsl -lm -ldl -lm \
-ldl -lnetv2 -lnttcp -lnetwork -lncr -lnetv2 -lnttcp -lnetwork -lncr \
-lnetv2 -lnttcp -lnetwork -lncr -lnetv2 -lnttcp -lnetwork -lncr \
-lnetv2 -lnttcp -lnetwork -lncr -lsql
###-lnbeq8 -lnhost8 -lnus8 -lnldap8 -lldapclnt8 -lnsslb8 -lnoss8 -lnoname8 -lntcp8 \
#ORALIBS=-lnetv2 -lnttcp -lnetwork -lncr -lclient8 -lvsn -lcommon8 -lgeneric8 \
# -lmm -lcore8 -lnlsrtl3 -lepc -lnsl -lm -ldl
CPPOBJECTS=orabase.o orastmt.o
HEADER=orabase.h orastmt.h
.SUFFIXES: .cc .c
###.c.o:
###     $(CC) $(CCFLAGS) $(INCDIR) -o $@ -c $<
.cc.o:
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#lib: $(CPPOBJECTS) $(HEADERS)
#     $(CPP) $(CPPFLAGS) $(SOFLAGS) $(LIBPATH) -o $(LIBNAME)$(SOEXT) $(CPPOBJECTS) $(LIBS)
#clean:
#     $(RM) *.o core *~
#distclean: clean
#     $(RM) $(LIBNAME)$(SOEXT) so_locations
###ocimanager:     ocimanager.o
###     $(CC) -o $@ $(LIBPATH) $(LIBS) $<
ocimanager.so: ../obj/ocimanager.o
     $(CC) $(LIBPATH) -o ocimanager.so -G ../obj/ocimanager.o $(LIBS)
##     gcc -L$(ORACLE_HOME)/lib/ -L$(ORACLE_HOME)/rdbms/lib/ -o ocimanager.so -G ../obj/ocimanager.o $(LIBS)
../obj/ocimanager.o: ocimanager.c ocimanager.h
     $(CC) $(CCFLAGS) $(INCDIR) -o ../obj/ocimanager.o -c ocimanager.c
**************** Makefile ends here*********************************************
Hope this helps
Brunda

Compiling and linking C library in C++

I am using a C library (Solstice FTAM v9.0) in my C++ program. One of the library header files has a declrartion
short class;
in one of the structures.
The C++ compiler (Sun C++ 5.4 on Solaris 8) gives error. What we should do to compile and link this library in C++.

You can use pointer to this structure without including the header that contains its definition, if it is possible, of course.
Also, it should be possible to #define class to smth else just before including this header and then #undef'ing it. If this C library comes in binary form, it shouldn't cause any problems since memory layout won't be affected; if it comes in source code form, you can always compile it with -Dclass=smth_else on the command line and reference this foul structure field from your C++ code accordingly.

Runtime error after successful compile and link with cl.exe

Finally, got the configuration for cl.exe and link.exe right and got a successful compile and link to produce a dll. Then ran the main method of my Java class. The main method calls the constructor, and loading the class runs the static block which loads the native dll. I get one of those error files of the type hs_err_pid4064.log. The file is as follows:
# An unexpected error has been detected by Java Runtime Environment:
# Internal Error (0xe06d7363), pid=4064, tid=3576
# Java VM: Java HotSpot(TM) Client VM (10.0-b22 mixed mode, sharing windows-x86)
# Problematic frame:
# C [kernel32.dll+0x12aeb]
# If you would like to submit a bug report, please visit:
# http://java.sun.com/webapps/bugreport/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
--------------- T H R E A D ---------------
Current thread (0x00395800): JavaThread "main" [_thread_in_native, id=3576, stack(0x003b0000,0x00400000)]
siginfo: ExceptionCode=0xe06d7363, ExceptionInformation=0x19930520 0x003fdf14 0x02de7b04
Registers:
EAX=0x003fde4c, EBX=0x00000000, ECX=0x00000000, EDX=0x02f80600
ESP=0x003fde48, EBP=0x003fde9c, ESI=0x003fdedc, EDI=0x003fdedc
EIP=0x7c812aeb, EFLAGS=0x00000206
Top of Stack: (sp=0x003fde48)
0x003fde48: 02de1de0 e06d7363 00000001 00000000
0x003fde58: 7c812aeb 00000003 19930520 003fdf14
0x003fde68: 02de7b04 02e80087 003fdf14 003fdf28
0x003fde78: 02e99500 00000039 003fde70 00000039
0x003fde88: 003fdec8 02e81a50 02eabf00 003fdf14
0x003fde98: 003fdf28 003fdedc 02dce583 e06d7363
0x003fdea8: 00000001 00000003 003fded0 02a72388
0x003fdeb8: 00000000 e06d7363 00000001 00000000
Instructions: (pc=0x7c812aeb)
0x7c812adb: 8d 7d c4 f3 a5 5f 8d 45 b0 50 ff 15 10 15 80 7c
0x7c812aeb: 5e c9 c2 10 00 85 ff 0f 8e 36 93 ff ff 8b 55 fc
Stack: [0x003b0000,0x00400000], sp=0x003fde48, free space=311k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
C [kernel32.dll+0x12aeb]
C [summarizer37.dll+0x1e583]
Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
v ~BufferBlob::Interpreter
v ~BufferBlob::Interpreter
v ~BufferBlob::Interpreter
v ~BufferBlob::StubRoutines (1)
--------------- P R O C E S S ---------------
Java Threads: ( => current thread )
0x02a66000 JavaThread "Low Memory Detector" daemon [_thread_blocked, id=3108, stack(0x02d10000,0x02d60000)]
0x02a58000 JavaThread "CompilerThread0" daemon [_thread_blocked, id=2488, stack(0x02cc0000,0x02d10000)]
0x02a56c00 JavaThread "Attach Listener" daemon [_thread_blocked, id=2508, stack(0x02c70000,0x02cc0000)]
0x02a56000 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=3720, stack(0x02c20000,0x02c70000)]
0x02a51800 JavaThread "Finalizer" daemon [_thread_blocked, id=2968, stack(0x02bd0000,0x02c20000)]
0x02a4d400 JavaThread "Reference Handler" daemon [_thread_blocked, id=600, stack(0x02b80000,0x02bd0000)]
=>0x00395800 JavaThread "main" [_thread_in_native, id=3576, stack(0x003b0000,0x00400000)]
Other Threads:
0x02a4c000 VMThread [stack: 0x02b30000,0x02b80000] [id=2528]
0x02a67000 WatcherThread [stack: 0x02d60000,0x02db0000] [id=1604]
VM state:not at safepoint (normal execution)
VM Mutex/Monitor currently owned by a thread: None
Heap
def new generation total 960K, used 195K [0x22960000, 0x22a60000, 0x22e40000)
eden space 896K, 21% used [0x22960000, 0x22990c38, 0x22a40000)
from space 64K, 0% used [0x22a40000, 0x22a40000, 0x22a50000)
to space 64K, 0% used [0x22a50000, 0x22a50000, 0x22a60000)
tenured generation total 4096K, used 0K [0x22e40000, 0x23240000, 0x26960000)
the space 4096K, 0% used [0x22e40000, 0x22e40000, 0x22e40200, 0x23240000)
compacting perm gen total 12288K, used 22K [0x26960000, 0x27560000, 0x2a960000)
the space 12288K, 0% used [0x26960000, 0x269658c8, 0x26965a00, 0x27560000)
ro space 8192K, 66% used [0x2a960000, 0x2aeb0e10, 0x2aeb1000, 0x2b160000)
rw space 12288K, 52% used [0x2b160000, 0x2b7b04c8, 0x2b7b0600, 0x2bd60000)
Dynamic libraries:
0x00400000 - 0x00423000      C:\Program Files\Java\jdk1.6.0_06\bin\javaw.exe
0x7c900000 - 0x7c9af000      C:\WINDOWS\system32\ntdll.dll
0x7c800000 - 0x7c8f6000      C:\WINDOWS\system32\kernel32.dll
0x77dd0000 - 0x77e6b000      C:\WINDOWS\system32\ADVAPI32.dll
0x77e70000 - 0x77f02000      C:\WINDOWS\system32\RPCRT4.dll
0x77fe0000 - 0x77ff1000      C:\WINDOWS\system32\Secur32.dll
0x7e410000 - 0x7e4a1000      C:\WINDOWS\system32\USER32.dll
0x77f10000 - 0x77f59000      C:\WINDOWS\system32\GDI32.dll
0x7c340000 - 0x7c396000      C:\Program Files\Java\jdk1.6.0_06\jre\bin\msvcr71.dll
0x6d870000 - 0x6dac0000      C:\Program Files\Java\jdk1.6.0_06\jre\bin\client\jvm.dll
0x76b40000 - 0x76b6d000      C:\WINDOWS\system32\WINMM.dll
0x6d320000 - 0x6d328000      C:\Program Files\Java\jdk1.6.0_06\jre\bin\hpi.dll
0x76bf0000 - 0x76bfb000      C:\WINDOWS\system32\PSAPI.DLL
0x6d820000 - 0x6d82c000      C:\Program Files\Java\jdk1.6.0_06\jre\bin\verify.dll
0x6d3c0000 - 0x6d3df000      C:\Program Files\Java\jdk1.6.0_06\jre\bin\java.dll
0x6d860000 - 0x6d86f000      C:\Program Files\Java\jdk1.6.0_06\jre\bin\zip.dll
0x10000000 - 0x10006000      D:\Servers\SummarizerServer\native\jsummarizer.dll
0x02db0000 - 0x02df2000      D:\Servers\SummarizerServer\native\summarizer37.dll
0x02e00000 - 0x02f6d000      D:\Servers\SummarizerServer\native\platform37.dll
0x4a800000 - 0x4a893000      D:\Servers\SummarizerServer\native\icuuc30.dll
0x4ad00000 - 0x4b52d000      D:\Servers\SummarizerServer\native\icudt30.dll
0x5b860000 - 0x5b8b5000      C:\WINDOWS\system32\NETAPI32.dll
0x77c10000 - 0x77c68000      C:\WINDOWS\system32\msvcrt.dll
VM Arguments:
jvm_args: -Djava.library.path=native
java_command: com.sra.pipeline.servers.summarizer.JSummarizer
Launcher Type: SUN_STANDARD
Environment Variables:
JAVA_HOME=C:\Program Files\Java\jdk1.6.0_06
CLASSPATH=.;C:\Program Files\Java\jre1.6.0_06\lib\ext\QTJava.zip
PATH=D:\Servers\SummarizerServer\native;C:\Program Files\Microsoft Visual Studio 9.0\VC\redist\x86\Microsoft.VC90.CRT
USERNAME=Jim Jones
OS=Windows_NT
PROCESSOR_IDENTIFIER=x86 Family 15 Model 2 Stepping 7, GenuineIntel
--------------- S Y S T E M ---------------
OS: Windows XP Build 2600 Service Pack 3
CPU:total 1 (1 cores per cpu, 1 threads per core) family 15 model 2 stepping 7, cmov, cx8, fxsr, mmx, sse, sse2
Memory: 4k page, physical 1048032k(245796k free), swap 2521804k(1060880k free)
vm_info: Java HotSpot(TM) Client VM (10.0-b22) for windows-x86 JRE (1.6.0_06-b02), built on Mar 25 2008 01:22:05 by "java_re" with MS VC++ 7.1
time: Mon Sep 01 15:22:10 2008
elapsed time: 0 seconds
The dll I'm wrapping is C++ VC++ compiled.
Would like to know what I do to trouble-shoot this error and hope to fix it?
Jim

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Hi All.
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thanx in advance

Q:1. Do i need to install visual studio? -
Yes you need this
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Is it possible work (compile and link wi

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Certified LabVIEW Architect
LabVIEW Champion
"... after all, He's not a tame lion..."
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We have a preexisting application in C distributed across multiple shared objects - on HPUX.
$ORACLE_HOME/xdk/include was included in the include path and the programs were compiled. Linking also was successful.
However at runtime we get errors of the form:
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* Don't post that much code. There should never be a reason to. You should be able to break your code down into small enough pieces that you can post a small example that demonstrates your problem.
* When you do post code, use [code] and [/code] tags to make it readable. You can use the code button on the message entry page.
* The stack trace will tell you which line the NPE occurred on, where it was called from, where that was called from, etc. You can use that to help you find your error. Look at the line it's complaining about. What references are on that line followed by a dot, and what arrays do you try to access the elements of. One of those must be null.
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Hi all,
I have a problem running the pro*c program on an windows environment.
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I create a .pc file and precompile it using oracle pro*c/c++ precompiler. so now I got the .c file.
I used .net command line to compile this .c file
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Let me know if you have any suggestions.
Thank you,
-Raghu

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Hi;
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www.vartortech.com

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When I use : DEBUG_EXTPROC.STARTUP_EXTPROC_AGENT' ... i get an error saying that : it is not declared.
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select MinDistance(TT) from egg1
ERROR at line 1:
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ORA-06522: /usr/lib/oracle/xe/app/oracle/product/10.2.0/server/lib/custagg.so:
cannot dynamically load executable
Please kindly answers my queries and trying to resolve this for almost 4 days now and could not find any clue on how to get this done.
Thanks,
-NN

#/bin/make
# Make file for OCI,OCCI and ODBC demos
# Usage :
# For compiling & linking the cdemo81.c file
# make -f demo_xe.mk buildoci CDEMOEXE=cdemo81 CDEMOOBJS=cdemo81.o
.SUFFIXES: .o .c .cpp
ICINCHOME=$(ORACLE_HOME)/rdbms/public/
ICLIBHOME=$(ORACLE_HOME)/lib
ICLIBPATH=-L$(ICLIBHOME)
THREADLIBS=-lthread
CCLIB=$(ICLIBPATH) -lclntsh $(THREADLIBS)
OCCILIB=$(ICLIBPATH) -locci -lclntsh $(THREADLIBS)
CCINCLUDES = -I$(ICINCHOME)
CCFLAGS=$(CCINCLUDES) -D_REENTRANT -g -xs
LDFLAGS=
SO_EXT=.so
EXTLDFLAGS=$(LDFLAGS) -shared
REMOVE=rm -rf
MKLINK=ln
MAKE=make
MAKEFILE=demo_xe.mk
CDEMOEXE=custagg.so
CDEMOOBJS=custagg.o
OCCIDEMO=occidml
OCCIOBJDEMO=occiobj
OTT=$(ORACLE_HOME)/bin/ott
OCCIOTTUSR=hr
OCCIOTTPWD=hr
ODBCDEMOEXE=odbcdemo
ODBCDEMOOBJS=odbcdemo.o
AQDEMOEXE=ociaqdemo00
AQDEMOOBJS=ociaqdemo00.o
EXTDEMO=extdemo2.so
CC=/usr/bin/g++
echo "LIBCLNT value is :" $(LIBCLNT)
echo "CC value is :" $(CC)
.c.o:
g++ -c -I$(ICINCHOME) $(CCFLAGS) $<
all: clean buildoci
echo "LIBCLNT value is :" $(LIBCLNT)
buildoci: $(LIBCLNT) $(CDEMOOBJS)
g++ -o $(CDEMOEXE) $(LDFLAGS) $(CDEMOOBJS) $(CCLIB)
echo "CC value is :" $(CC)
echo "LIBCLNT value is :" $(LIBCLNT)
clean:
$(REMOVE) $(CDEMOOBJS) $(CDEMOEXE)
# This port-specific file is currently empty on Solaris. Product
# lines may use this file to override compiler definitions and
# flags used in occi.mk.
# Linux compiler definitions
CC=/usr/bin/gcc
cc=/usr/bin/gcc
CCFLAGS=$(CCINCLUDES) -DLINUX -D_GNU_SOURCE -D_REENTRANT -g
LDFLAGS=-g
# This macro CCINCLUDES has to be redefined on Linux because of
# the existence of the 'new' directory in t_work. The name new
# clashes with a system header file.
CCINCLUDES = -idirafter .
THREADLIBS=-lpthread
ifdef BUILD_CCC296
CC=/usr/bin/g++296
endif
And I am executing the make file using the command :
make -f demo12.mk buildoci CDEMOEXE=custagg.so CDEMOOBJS=custagg.o
I am not getting any error while running this make file.
Can you please tell me whether PLSQL/Oracle is able to locate the file or not. Incase, if it is locating the file but due to some error in the custagg.so it is throwing that error. If this is the case, is there any way that i can debug the C program .....how can i install the debug_extproc package.. I am really new to C & OCI ... if the custagg.so is being located then there might be some problem with the way I am dynamically allocating memory to some variables.
Please kindly reply to this Post/response.
Please let me know if you also want to see my program code.
Thanks & Regards,
-NN

OCI compilation with VC++6.0

I am trying to write a code to insert data into Oracle Spatial DB through OCI. Right now, I just wrote some basic functions using OCI, but when I compiled the code, there came fatal errors.
fatal error C1010: unexpected end of file while looking >for precompiled header directive
Error executing cl.exe.After I changed precompiled file option from /Yu to /YX, these error came.
c:\oracle\ora92\oci\include\ort.h(761) : error C2065: 'OCIEnv' : undeclared identifier
c:\oracle\ora92\oci\include\ort.h(761) : error C2065: 'env' : undeclared identifier
c:\oracle\ora92\oci\include\ort.h(761) : error C2065: 'OCIError' : undeclared identifier
c:\oracle\ora92\oci\include\ort.h(761) : error C2065: 'err' : undeclared identifier
c:\oracle\ora92\oci\include\ort.h(761) : error C2065: 'tdo' : undeclared identifier
c:\oracle\ora92\oci\include\ort.h(761) : error C2275: 'OCIType' : illegal use of this type as an expression
c:\oracle\ora92\oci\include\ort.h(691) : see declaration of 'OCIType'
I included <oci.h> and <oci1.h>. I set OCI include directory and library directory correctly and added "oci.lib" and "ociw32.lib" into Link section. Could you help me to Long postings are being truncated to ~1 kB at this time.

OCCI in Oracle 10gR1 is built using VC6
You can download the Client from
http://www.oracle.com/technology/software/products/database/oracle10g/10gr1.html

How to compile and execute lex,yac,c and java programs

its the 3rd day on my New MacBook pro..
as i just migrated from windows to mac i love to work on this..
The main problem is i DON't know .......
how to compile and execute
1) lex and yac programs
2) c program
3) java program
so please help me
THIS is the error i got   a1.l is a program
i got the same error when i used gcc
$ lex a1.l
$ cc lex.yy.c
Undefined symbols:
"_yywrap", referenced from:
      _yylex in cc8QDQjW.o
      _input in cc8QDQjW.o
ld: symbol(s) not found
collect2: ld returned 1 exit status

Is the problem that you don't know how to compile and execute these programs on a Mac, or just that you don't know how to compile and execute them?
Mac OS X is really just a version of BSD Unix, as far as programs like like bison, flex and gcc are concerned...and even when Apple specific versions are provided in the Developer Tools, there are symlinks in the usual places in the Unix file hierarchy.
For problems with lex and yacc, I suggest you start with their own references, for example, here.
Or you could just use %option noyywrap, if you only have one file to scan.
Or you could link to libfl.a using -lfl and use the default version from that library.
But you really should (as Keith Barkley was subtly hinting at) learn how these tools work and why they work that way.

How to compile and run java files on a mac using command line?

can someone tell me or link me to some article on how to compile and run java files from command line on a mac? I have mac OS X leopard

What do you mean by "where to put them" ? What do you want to put anywhere ?
Have you read Peter's comment in brackets ? Perhaps you have a classpath problem ?
Edited by: Michael_Knight on Aug 31, 2008 4:23 AM

OCI: Compiling and Linking?

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