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Home > Archive > Unix Programming > August 2004 > configure error: need to define an include path via -I in CPPFLAGS
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configure error: need to define an include path via -I in CPPFLAGS
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| Hi,
I need to install a software package on Unix. When I ran
"./configure", I got the following error message:
configure: error: Couldn't find ltdl.h which is required and
part of the libtool distribution. You probably
need to define an include path via a -I in CPPFLAGS
I know where ltdl.h is, but don't know how to add -I in CPPFLAGS.
Thanks in advance.
Derek
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| LÅ‘rinczy Zsigmond 2004-08-19, 5:58 pm |
| Derek wrote:
> Hi,
>
> I need to install a software package on Unix. When I ran
> "./configure", I got the following error message:
>
> configure: error: Couldn't find ltdl.h which is required and
> part of the libtool distribution. You probably
> need to define an include path via a -I in CPPFLAGS
>
> I know where ltdl.h is, but don't know how to add -I in CPPFLAGS.
Perhaps a shell variable will solve this:
export CPPFLAGS=-Isomewhere
../configure
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| On Thu, 19 Aug 2004 21:07:14 +0200, Lõrinczy Zsigmond wrote:
> Derek wrote:
>
>
> Perhaps a shell variable will solve this:
> export CPPFLAGS=-Isomewhere
> ./configure
If you use a cshell type shell, the above syntax won't work. I believe
the correct syntax for setting an environment variable in cshell type
shells is as follows:
setenv CPPFLAGS -I/path/to/ltdl.h
./configure
--Mac
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| Fred L. Kleinschmidt 2004-08-22, 6:08 pm |
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L?rinczy Zsigmond wrote:
>
> Derek wrote:
>
>
> Perhaps a shell variable will solve this:
> export CPPFLAGS=-Isomewhere
> ./configure
Probably better to keep any old settings:
export CPPFLAGS="$CPPFLAGS -Isomewhere"
and something similar if using csh.
--
Fred L. Kleinschmidt
Boeing Associate Technical Fellow
Technical Architect, Common User Interface Services
M/S 2R-94 (206)544-5225
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