Public bug reported:
[Impact]
libdfp is currently only built for ppc64el and s390x. This causes gcc
compilation to fail on other architectures in certain cases.
[Test Case]
$ echo "int main(void) {
_Decimal64 dvalue = 0.4dd;
__int128 ivalue = (__int128)dvalue;
return (int)ivalue;
}" | gcc -x c -
/tmp/cc97Mfy0.o: In function `main':
:(.text+0x1c): undefined reference to `__bid_fixddti'
collect2: error: ld returned 1 exit status
# bid_fixddti is part of the libdfp API:
https://github.com/libdfp/libdfp/blob/master/sysdeps/bid/libdfp.abilist
$ echo "int main(void) {
_Decimal64 dvalue = 0.4dd;
__int128 ivalue = (__int128)dvalue;
return (int)ivalue;
}" | gcc -x c -ldfp -
/usr/bin/ld: cannot find -ldfp
collect2: error: ld returned 1 exit status
$ sudo apt install libdfp-dev
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package libdfp-dev
$ rmadison libdfp-dev
libdfp-dev | 1.0.12-0ubuntu1 | xenial/universe | ppc64el, s390x
libdfp-dev | 1.0.13-1 | bionic/universe | ppc64el, s390x
libdfp-dev | 1.0.13-1 | cosmic/universe | ppc64el, s390x
libdfp-dev | 1.0.13-1 | disco/universe | ppc64el, s390x
[Regression Potential]
This could regress existing packages if changes are required in order to
make it work on new architectures.
** Affects: libdfp (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1809098
Title:
Please support other architectures
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