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From: | David Edelsohn |
Subject: | Re: building GNU gettext on AIX |
Date: | Wed, 15 Nov 2023 14:26:20 -0500 |
checking for socklen_t equivalent... configure: error: Cannot find a type to use in place of socklen_t
configure: error: /nasfarm/edelsohn/src/gettext-0.22.3/libtextstyle/configure failed for libtextstyle
configure:43943: /nasfarm/edelsohn/install/GCC12/bin/gcc -c -g -O2 -D_THREAD_SAFE conftest.c >&5
conftest.c:112:18: error: two or more data types in declaration specifiers
112 | #define intmax_t long long
| ^~~~
conftest.c:112:23: error: two or more data types in declaration specifiers
112 | #define intmax_t long long
| ^~~~
In file included from conftest.c:212:
conftest.c:214:24: error: conflicting types for 'ngetpeername'; have 'int(int, void *, long unsigned int *)'
214 | int getpeername (int, void *, unsigned long int *);
| ^~~~~~~~~~~
/nasfarm/edelsohn/install/GCC12/lib/gcc/powerpc-ibm-aix7.2.5.0/12.1.1/include-fixed/sys/socket.h:647:9: note: previous declaration of 'ngetpeername' with type 'int(int, struct sockaddr * restrict, socklen_t * restrict)' {aka 'int(int, struct sockaddr * restrict, long unsigned int * restrict)'}
647 | int getpeername(int, struct sockaddr *__restrict__, socklen_t *__restrict__);
| ^~~~~~~~~~~
configure and config.h seems to get itself confused about types.
David
[CCing bug-gettext]
David Edelsohn wrote in
<https://gcc.gnu.org/pipermail/gcc-patches/2023-November/636558.html>:
> The current gettext-0.22.3 fails to build for me on AIX.
Here are some hints to get a successful build of GNU gettext on AIX:
1. Set the recommended environment variables before running configure:
https://gitlab.com/ghwiki/gnow-how/-/wikis/Platforms/Configuration
Namely:
* for a 32-bit build with gcc:
CC=gcc
CXX=g++
CPPFLAGS="-I$PREFIX/include"
LDFLAGS="-L$PREFIX/lib"
unset AR NM
* for a 32-bit build with xlc:
CC="xlc -qthreaded -qtls"
CXX="xlC -qthreaded -qtls"
CPPFLAGS="-I$PREFIX/include"
LDFLAGS="-L$PREFIX/lib"
unset AR NM
* for a 64-bit build with gcc:
CC="gcc -maix64"
CXX="g++ -maix64"
CPPFLAGS="-I$PREFIX/include"
LDFLAGS="-L$PREFIX/lib"
AR="ar -X 64"; NM="nm -X 64 -B"
* for a 64-bit build with xlc:
CC="xlc -q64 -qthreaded -qtls"
CXX="xlC -q64 -qthreaded -qtls"
CPPFLAGS="-I$PREFIX/include"
LDFLAGS="-L$PREFIX/lib"
AR="ar -X 64"; NM="nm -X 64 -B"
where $PREFIX is the value that you pass to the --prefix configure option.
Rationale: you can run into all sorts of problems if you choose compiler
options at random and haven't experience with compiler options on that
platform.
2. Don't use ibm-clang.
Rationale: It's broken.
3. Don't use -Wall with gcc 10.3.
Rationale: If you specify -Wall, gettext's configure adds -fanalyzer, which
has excessive memory requirements in gcc 10.x. In particular, on AIX, it
makes cc1 crash while compiling regex.c after it has consumed 1 GiB of RAM.
4. Avoid using a --prefix that contains earlier installations of the same
package.
Rationale: Because the AIX linker hardcodes directory names in shared
libraries, GNU libtool has a peculiar configuration on AIX. It ends up
mixing the in-build-tree libraries with the libraries in the install
locations, leading to all sorts of errors.
If you really need to use a --prefix that contains an earlier
installation of the same package:
- Either use --disable-shared and remove libgettextlib.a and
libgettextsrc.a from $PREFIX/lib before starting the build.
- Or use a mix of "make -k", "make -k install" and ad-hoc workarounds
that cannot be described in a general way.
Bruno
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