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Cannot configure PHP from source to use the desired Kerberos library path #15333

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@ricky-rockstar

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@ricky-rockstar

Description

On Oracle Linux 8
I configure, make and make install my Kerberos library as follows

./configure --prefix=/kerberos-1.21.3 --enable-dns-for-realm

The above creates the folder /kerberos-1.21.3/lib with all my libraries in it.

I manually amend all /kerberos-1.21.3/lib/pkgconfig/*.pc files to contain the value libdir=/library

I then relocate an entire copy of the created library folder to my desired library location /library as follows:

cp /kerberos-1.21.3/lib/* /library

I "configure", "make" and "make install" PHP, with configure looking as follows:

env LD_LIBRARY_PATH=/library PKG_CONFIG=/usr/bin/pkg-config PKG_CONFIG_PATH=/library/pkgconfig KERBEROS_LIBS="-L/library -Wl,-rpath,/library" KERBEROS_CFLAGS="-I/kerberos-1.21.3/include" ./configure --prefix=/myphp --with-kerberos

Everything completes as normal.

As can be seen above, the environment I have set is:

  • LD_LIBRARY_PATH=/library
  • PKG_CONFIG_PATH=/library/pkgconfig
  • KERBEROS_LIBS="-L/library -Wl,-rpath,/library"
  • KERBEROS_CFLAGS="-I/kerberos-1.21.3/include"

This points all library information to the /library directory, and only the include header files directory to my original kerberos build location (via KERBEROS_CFLAGS and the /library/pkgconfig/*.pc files includedir= value)

All the documentation I have read says that with my configuration above, running ldd /myphp/bin/php should report as:

libkrb5.so.3 => /library/libkrb5.so.3

but when I run it, for libkrb5.so.3 I get the following:

libkrb5.so.3 => /kerberos-1.21.3/lib/libkrb5.so.3

Why am I getting the wrong -ie. original build - library location? I am literally tearing my hair out with this. Thanks

PHP Version

php 8.2.22

Operating System

Oracle Linux 8.10

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