starting phase `set-SOURCE-DATE-EPOCH'
phase `set-SOURCE-DATE-EPOCH' succeeded after 0.0 seconds
starting phase `set-paths'
environment variable `PATH' set to `/gnu/store/9d7c6c8id6dh0inpqvcgb708mmiqcj4c-texinfo-6.8/bin:/gnu/store/q3r6diff37kzw2fr8rb52ncmn57yjyk2-pkg-config-i686-w64-mingw32-0.29.2/bin:/gnu/store/kngd1h8b65kdnawd9mfxarwhkaxwq0lz-autoconf-2.69/bin:/gnu/store/i4c6yd0n7yhw2qi5217z62zb9n023dk7-automake-1.16.5/bin:/gnu/store/dk4v4grhz359s0pl6xig3yj0qhjmily4-libtool-2.4.7/bin:/gnu/store/4gvgcfdiz67wv04ihqfa8pqwzsb0qpv5-guile-3.0.9/bin:/gnu/store/5d0fgnmh63yx98s1kfp57rc2x05xqk1d-gettext-minimal-0.21/bin:/gnu/store/8cagkq2pb7fmxigj4n5s3hf4rvr8ndhj-gcc-cross-i686-w64-mingw32-11.3.0/bin:/gnu/store/m9nya8zk46m4w1ap7h6z6m6dq40rzcvg-binutils-cross-i686-w64-mingw32-2.38/bin:/gnu/store/sxx22f98vfbavcqmdksm6as8fvskpxiw-tar-1.34/bin:/gnu/store/x24bm49ag5dvki72mjdz195bfb89nrnb-gzip-1.12/bin:/gnu/store/j8wlfmlmfvpbza6is9wv9xsd8psrxn00-bzip2-1.0.8/bin:/gnu/store/gr0sy0m1mv36qv54idm6cn10l3mngshq-file-5.44/bin:/gnu/store/zmcf5kpqiighkbh7wslf91qdjwj06yr1-diffutils-3.8/bin:/gnu/store/210yfax18r2g2inxrml9435ikhfcca6m-patch-2.7.6/bin:/gnu/store/c8jyph2lxw0m9na34fg8h70n4nnnz7is-findutils-4.9.0/bin:/gnu/store/hc05d76f1j3iz3v2bs5jz4fpljl1r4dj-gawk-5.2.1/bin:/gnu/store/xxcfsimvxz7z4dj593gnqbkzc6picwzq-sed-4.8/bin:/gnu/store/yrv5f70mn83a876b78i5s79dd2hsh0zf-grep-3.8/bin:/gnu/store/6k1yys9wqrfn4y41ic1win8gpnimncwj-xz-5.2.8/bin:/gnu/store/a5i8avx826brw5grn3n4qv40g514505c-coreutils-9.1/bin:/gnu/store/wj7casda7rb55rvqjnpm0bm7a2zm6618-make-4.3/bin:/gnu/store/rib9g2ig1xf3kclyl076w28parmncg4k-bash-minimal-5.1.16/bin:/gnu/store/na1dpbbcxjaa3n8wkwrfpch476f90hlf-ld-wrapper-0/bin:/gnu/store/zh4x65snfis7svs6906gj1z8i7dx2j3m-binutils-2.38/bin:/gnu/store/5lqhcv91ijy82p92ac6g5xw48l0lwwz4-gcc-11.3.0/bin:/gnu/store/gsjczqir1wbz8p770zndrpw4rnppmxi3-glibc-2.35/bin:/gnu/store/gsjczqir1wbz8p770zndrpw4rnppmxi3-glibc-2.35/sbin:/gnu/store/2awzcd1jdd8h65ahdn62ydllrs2s2pk1-m4-1.4.19/bin'
environment variable `PKG_CONFIG_PATH' set to `/gnu/store/6iwgr1lp6s1ppjj99xc6736h6kzlj2zq-guile-3.0.9/lib/pkgconfig:/gnu/store/nick76y1igzp3y5lg6wbf222gj79wp4k-libgc-8.2.2/lib/pkgconfig:/gnu/store/x9adnzvpm26drxib9c380i2r1vcl9ldm-libatomic-ops-7.6.12/lib/pkgconfig'
environment variable `CROSS_LIBRARY_PATH' set to `/gnu/store/6iwgr1lp6s1ppjj99xc6736h6kzlj2zq-guile-3.0.9/lib:/gnu/store/nick76y1igzp3y5lg6wbf222gj79wp4k-libgc-8.2.2/lib:/gnu/store/5f252hcajf3jj7d93azbx8zazvs2ll5l-libunistring-1.0/lib:/gnu/store/x9adnzvpm26drxib9c380i2r1vcl9ldm-libatomic-ops-7.6.12/lib:/gnu/store/vv9wslyaqi281frsryswkk4pg6shpfvq-libiconv-1.15/lib:/gnu/store/jvz9q6f8452i5lj3088vxxrfg485bm9f-mingw-w64-i686-10.0.0/lib'
environment variable `CROSS_C_INCLUDE_PATH' set to `/gnu/store/6iwgr1lp6s1ppjj99xc6736h6kzlj2zq-guile-3.0.9/include:/gnu/store/nick76y1igzp3y5lg6wbf222gj79wp4k-libgc-8.2.2/include:/gnu/store/5f252hcajf3jj7d93azbx8zazvs2ll5l-libunistring-1.0/include:/gnu/store/x9adnzvpm26drxib9c380i2r1vcl9ldm-libatomic-ops-7.6.12/include:/gnu/store/vv9wslyaqi281frsryswkk4pg6shpfvq-libiconv-1.15/include:/gnu/store/8cagkq2pb7fmxigj4n5s3hf4rvr8ndhj-gcc-cross-i686-w64-mingw32-11.3.0/include:/gnu/store/jvz9q6f8452i5lj3088vxxrfg485bm9f-mingw-w64-i686-10.0.0/include'
environment variable `CROSS_CPLUS_INCLUDE_PATH' set to `/gnu/store/6iwgr1lp6s1ppjj99xc6736h6kzlj2zq-guile-3.0.9/include:/gnu/store/nick76y1igzp3y5lg6wbf222gj79wp4k-libgc-8.2.2/include:/gnu/store/5f252hcajf3jj7d93azbx8zazvs2ll5l-libunistring-1.0/include:/gnu/store/x9adnzvpm26drxib9c380i2r1vcl9ldm-libatomic-ops-7.6.12/include:/gnu/store/vv9wslyaqi281frsryswkk4pg6shpfvq-libiconv-1.15/include:/gnu/store/8cagkq2pb7fmxigj4n5s3hf4rvr8ndhj-gcc-cross-i686-w64-mingw32-11.3.0/include/c++:/gnu/store/8cagkq2pb7fmxigj4n5s3hf4rvr8ndhj-gcc-cross-i686-w64-mingw32-11.3.0/include:/gnu/store/jvz9q6f8452i5lj3088vxxrfg485bm9f-mingw-w64-i686-10.0.0/include'
environment variable `CROSS_OBJC_INCLUDE_PATH' set to `/gnu/store/6iwgr1lp6s1ppjj99xc6736h6kzlj2zq-guile-3.0.9/include:/gnu/store/nick76y1igzp3y5lg6wbf222gj79wp4k-libgc-8.2.2/include:/gnu/store/5f252hcajf3jj7d93azbx8zazvs2ll5l-libunistring-1.0/include:/gnu/store/x9adnzvpm26drxib9c380i2r1vcl9ldm-libatomic-ops-7.6.12/include:/gnu/store/vv9wslyaqi281frsryswkk4pg6shpfvq-libiconv-1.15/include:/gnu/store/8cagkq2pb7fmxigj4n5s3hf4rvr8ndhj-gcc-cross-i686-w64-mingw32-11.3.0/include:/gnu/store/jvz9q6f8452i5lj3088vxxrfg485bm9f-mingw-w64-i686-10.0.0/include'
environment variable `CROSS_OBJCPLUS_INCLUDE_PATH' set to `/gnu/store/6iwgr1lp6s1ppjj99xc6736h6kzlj2zq-guile-3.0.9/include:/gnu/store/nick76y1igzp3y5lg6wbf222gj79wp4k-libgc-8.2.2/include:/gnu/store/5f252hcajf3jj7d93azbx8zazvs2ll5l-libunistring-1.0/include:/gnu/store/x9adnzvpm26drxib9c380i2r1vcl9ldm-libatomic-ops-7.6.12/include:/gnu/store/vv9wslyaqi281frsryswkk4pg6shpfvq-libiconv-1.15/include:/gnu/store/8cagkq2pb7fmxigj4n5s3hf4rvr8ndhj-gcc-cross-i686-w64-mingw32-11.3.0/include:/gnu/store/jvz9q6f8452i5lj3088vxxrfg485bm9f-mingw-w64-i686-10.0.0/include'
environment variable `CROSS_C_INCLUDE_PATH' set to `/gnu/store/6iwgr1lp6s1ppjj99xc6736h6kzlj2zq-guile-3.0.9/include:/gnu/store/nick76y1igzp3y5lg6wbf222gj79wp4k-libgc-8.2.2/include:/gnu/store/5f252hcajf3jj7d93azbx8zazvs2ll5l-libunistring-1.0/include:/gnu/store/x9adnzvpm26drxib9c380i2r1vcl9ldm-libatomic-ops-7.6.12/include:/gnu/store/vv9wslyaqi281frsryswkk4pg6shpfvq-libiconv-1.15/include:/gnu/store/8cagkq2pb7fmxigj4n5s3hf4rvr8ndhj-gcc-cross-i686-w64-mingw32-11.3.0/include:/gnu/store/jvz9q6f8452i5lj3088vxxrfg485bm9f-mingw-w64-i686-10.0.0/include'
environment variable `CROSS_LIBRARY_PATH' set to `/gnu/store/6iwgr1lp6s1ppjj99xc6736h6kzlj2zq-guile-3.0.9/lib:/gnu/store/nick76y1igzp3y5lg6wbf222gj79wp4k-libgc-8.2.2/lib:/gnu/store/5f252hcajf3jj7d93azbx8zazvs2ll5l-libunistring-1.0/lib:/gnu/store/x9adnzvpm26drxib9c380i2r1vcl9ldm-libatomic-ops-7.6.12/lib:/gnu/store/vv9wslyaqi281frsryswkk4pg6shpfvq-libiconv-1.15/lib:/gnu/store/jvz9q6f8452i5lj3088vxxrfg485bm9f-mingw-w64-i686-10.0.0/lib'
environment variable `INFOPATH' set to `/gnu/store/9d7c6c8id6dh0inpqvcgb708mmiqcj4c-texinfo-6.8/share/info:/gnu/store/kngd1h8b65kdnawd9mfxarwhkaxwq0lz-autoconf-2.69/share/info:/gnu/store/i4c6yd0n7yhw2qi5217z62zb9n023dk7-automake-1.16.5/share/info:/gnu/store/dk4v4grhz359s0pl6xig3yj0qhjmily4-libtool-2.4.7/share/info:/gnu/store/4gvgcfdiz67wv04ihqfa8pqwzsb0qpv5-guile-3.0.9/share/info:/gnu/store/5d0fgnmh63yx98s1kfp57rc2x05xqk1d-gettext-minimal-0.21/share/info:/gnu/store/8cagkq2pb7fmxigj4n5s3hf4rvr8ndhj-gcc-cross-i686-w64-mingw32-11.3.0/share/info:/gnu/store/m9nya8zk46m4w1ap7h6z6m6dq40rzcvg-binutils-cross-i686-w64-mingw32-2.38/share/info:/gnu/store/sxx22f98vfbavcqmdksm6as8fvskpxiw-tar-1.34/share/info:/gnu/store/x24bm49ag5dvki72mjdz195bfb89nrnb-gzip-1.12/share/info:/gnu/store/zmcf5kpqiighkbh7wslf91qdjwj06yr1-diffutils-3.8/share/info:/gnu/store/c8jyph2lxw0m9na34fg8h70n4nnnz7is-findutils-4.9.0/share/info:/gnu/store/hc05d76f1j3iz3v2bs5jz4fpljl1r4dj-gawk-5.2.1/share/info:/gnu/store/xxcfsimvxz7z4dj593gnqbkzc6picwzq-sed-4.8/share/info:/gnu/store/yrv5f70mn83a876b78i5s79dd2hsh0zf-grep-3.8/share/info:/gnu/store/a5i8avx826brw5grn3n4qv40g514505c-coreutils-9.1/share/info:/gnu/store/wj7casda7rb55rvqjnpm0bm7a2zm6618-make-4.3/share/info:/gnu/store/rib9g2ig1xf3kclyl076w28parmncg4k-bash-minimal-5.1.16/share/info:/gnu/store/zh4x65snfis7svs6906gj1z8i7dx2j3m-binutils-2.38/share/info:/gnu/store/5lqhcv91ijy82p92ac6g5xw48l0lwwz4-gcc-11.3.0/share/info:/gnu/store/gsjczqir1wbz8p770zndrpw4rnppmxi3-glibc-2.35/share/info:/gnu/store/2awzcd1jdd8h65ahdn62ydllrs2s2pk1-m4-1.4.19/share/info:/gnu/store/0jk7sl5xqwwdkzjpp9sxgz9z0d48a3vy-libunistring-1.0/share/info'
environment variable `ACLOCAL_PATH' set to `/gnu/store/q3r6diff37kzw2fr8rb52ncmn57yjyk2-pkg-config-i686-w64-mingw32-0.29.2/share/aclocal:/gnu/store/i4c6yd0n7yhw2qi5217z62zb9n023dk7-automake-1.16.5/share/aclocal:/gnu/store/dk4v4grhz359s0pl6xig3yj0qhjmily4-libtool-2.4.7/share/aclocal:/gnu/store/4gvgcfdiz67wv04ihqfa8pqwzsb0qpv5-guile-3.0.9/share/aclocal:/gnu/store/5d0fgnmh63yx98s1kfp57rc2x05xqk1d-gettext-minimal-0.21/share/aclocal'
environment variable `GUILE_LOAD_PATH' unset
environment variable `GUILE_LOAD_COMPILED_PATH' unset
environment variable `BASH_LOADABLES_PATH' unset
environment variable `C_INCLUDE_PATH' set to `/gnu/store/4gvgcfdiz67wv04ihqfa8pqwzsb0qpv5-guile-3.0.9/include:/gnu/store/5d0fgnmh63yx98s1kfp57rc2x05xqk1d-gettext-minimal-0.21/include:/gnu/store/8cagkq2pb7fmxigj4n5s3hf4rvr8ndhj-gcc-cross-i686-w64-mingw32-11.3.0/include:/gnu/store/m9nya8zk46m4w1ap7h6z6m6dq40rzcvg-binutils-cross-i686-w64-mingw32-2.38/include:/gnu/store/j8wlfmlmfvpbza6is9wv9xsd8psrxn00-bzip2-1.0.8/include:/gnu/store/gr0sy0m1mv36qv54idm6cn10l3mngshq-file-5.44/include:/gnu/store/hc05d76f1j3iz3v2bs5jz4fpljl1r4dj-gawk-5.2.1/include:/gnu/store/6k1yys9wqrfn4y41ic1win8gpnimncwj-xz-5.2.8/include:/gnu/store/wj7casda7rb55rvqjnpm0bm7a2zm6618-make-4.3/include:/gnu/store/zh4x65snfis7svs6906gj1z8i7dx2j3m-binutils-2.38/include:/gnu/store/5lqhcv91ijy82p92ac6g5xw48l0lwwz4-gcc-11.3.0/include:/gnu/store/gsjczqir1wbz8p770zndrpw4rnppmxi3-glibc-2.35/include:/gnu/store/1w1r6r56z9lhg8ghcb7lxss6mkn7d5l1-libgc-8.2.2/include:/gnu/store/0jk7sl5xqwwdkzjpp9sxgz9z0d48a3vy-libunistring-1.0/include:/gnu/store/5iklcps70c0sfkxvlrhg8jhf3q4h18bj-linux-libre-headers-5.15.49/include'
environment variable `CPLUS_INCLUDE_PATH' set to `/gnu/store/4gvgcfdiz67wv04ihqfa8pqwzsb0qpv5-guile-3.0.9/include:/gnu/store/5d0fgnmh63yx98s1kfp57rc2x05xqk1d-gettext-minimal-0.21/include:/gnu/store/8cagkq2pb7fmxigj4n5s3hf4rvr8ndhj-gcc-cross-i686-w64-mingw32-11.3.0/include/c++:/gnu/store/8cagkq2pb7fmxigj4n5s3hf4rvr8ndhj-gcc-cross-i686-w64-mingw32-11.3.0/include:/gnu/store/m9nya8zk46m4w1ap7h6z6m6dq40rzcvg-binutils-cross-i686-w64-mingw32-2.38/include:/gnu/store/j8wlfmlmfvpbza6is9wv9xsd8psrxn00-bzip2-1.0.8/include:/gnu/store/gr0sy0m1mv36qv54idm6cn10l3mngshq-file-5.44/include:/gnu/store/hc05d76f1j3iz3v2bs5jz4fpljl1r4dj-gawk-5.2.1/include:/gnu/store/6k1yys9wqrfn4y41ic1win8gpnimncwj-xz-5.2.8/include:/gnu/store/wj7casda7rb55rvqjnpm0bm7a2zm6618-make-4.3/include:/gnu/store/zh4x65snfis7svs6906gj1z8i7dx2j3m-binutils-2.38/include:/gnu/store/5lqhcv91ijy82p92ac6g5xw48l0lwwz4-gcc-11.3.0/include/c++:/gnu/store/5lqhcv91ijy82p92ac6g5xw48l0lwwz4-gcc-11.3.0/include:/gnu/store/gsjczqir1wbz8p770zndrpw4rnppmxi3-glibc-2.35/include:/gnu/store/1w1r6r56z9lhg8ghcb7lxss6mkn7d5l1-libgc-8.2.2/include:/gnu/store/0jk7sl5xqwwdkzjpp9sxgz9z0d48a3vy-libunistring-1.0/include:/gnu/store/5iklcps70c0sfkxvlrhg8jhf3q4h18bj-linux-libre-headers-5.15.49/include'
environment variable `LIBRARY_PATH' set to `/gnu/store/9d7c6c8id6dh0inpqvcgb708mmiqcj4c-texinfo-6.8/lib:/gnu/store/4gvgcfdiz67wv04ihqfa8pqwzsb0qpv5-guile-3.0.9/lib:/gnu/store/5d0fgnmh63yx98s1kfp57rc2x05xqk1d-gettext-minimal-0.21/lib:/gnu/store/m9nya8zk46m4w1ap7h6z6m6dq40rzcvg-binutils-cross-i686-w64-mingw32-2.38/lib:/gnu/store/j8wlfmlmfvpbza6is9wv9xsd8psrxn00-bzip2-1.0.8/lib:/gnu/store/gr0sy0m1mv36qv54idm6cn10l3mngshq-file-5.44/lib:/gnu/store/hc05d76f1j3iz3v2bs5jz4fpljl1r4dj-gawk-5.2.1/lib:/gnu/store/6k1yys9wqrfn4y41ic1win8gpnimncwj-xz-5.2.8/lib:/gnu/store/zh4x65snfis7svs6906gj1z8i7dx2j3m-binutils-2.38/lib:/gnu/store/gsjczqir1wbz8p770zndrpw4rnppmxi3-glibc-2.35/lib:/gnu/store/l0yryi5jsa1grnvw01c9nkz9c81cv224-glibc-2.35-static/lib:/gnu/store/visfdda934gvivwihwhlm63fdqhhcc8a-glibc-utf8-locales-2.35/lib:/gnu/store/1w1r6r56z9lhg8ghcb7lxss6mkn7d5l1-libgc-8.2.2/lib:/gnu/store/0jk7sl5xqwwdkzjpp9sxgz9z0d48a3vy-libunistring-1.0/lib'
environment variable `GUIX_LOCPATH' set to `/gnu/store/visfdda934gvivwihwhlm63fdqhhcc8a-glibc-utf8-locales-2.35/lib/locale'
phase `set-paths' succeeded after 0.0 seconds
starting phase `install-locale'
using 'en_US.utf8' locale for category "LC_ALL"
phase `install-locale' succeeded after 0.0 seconds
starting phase `unpack'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/TODO.md' -> `./TODO.md'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/NEWS' -> `./NEWS'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/configure.ac' -> `./configure.ac'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/COPYING.LESSER' -> `./COPYING.LESSER'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/COPYING' -> `./COPYING'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/README' -> `./README'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/ChangeLog' -> `./ChangeLog'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/guix.scm' -> `./guix.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/fibers.scm' -> `./fibers.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/epoll.c' -> `./epoll.c'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/README.md' -> `./README.md'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/autogen.sh' -> `./autogen.sh'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/fibers.texi' -> `./fibers.texi'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/.gitignore' -> `./.gitignore'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/acinclude.m4' -> `./acinclude.m4'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/env.in' -> `./env.in'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/HACKING' -> `./HACKING'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/Makefile.am' -> `./Makefile.am'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/AUTHORS' -> `./AUTHORS'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/tests/foreign.scm' -> `./tests/foreign.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/tests/conditions.scm' -> `./tests/conditions.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/tests/speedup.scm' -> `./tests/speedup.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/tests/ports.scm' -> `./tests/ports.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/tests/basic.scm' -> `./tests/basic.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/tests/parameters.scm' -> `./tests/parameters.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/tests/channels.scm' -> `./tests/channels.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/tests/io-wakeup.scm' -> `./tests/io-wakeup.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/tests/preemption.scm' -> `./tests/preemption.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/examples/concurrent-web-hello.scm' -> `./examples/concurrent-web-hello.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/examples/web-hello.scm' -> `./examples/web-hello.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/examples/memcached-server.scm' -> `./examples/memcached-server.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/examples/memcached-client.scm' -> `./examples/memcached-client.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/examples/ping-client.scm' -> `./examples/ping-client.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/examples/ping-server.scm' -> `./examples/ping-server.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/.github/workflows/guile3.0.yml' -> `./.github/workflows/guile3.0.yml'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/.github/workflows/guile2.2.yml' -> `./.github/workflows/guile2.2.yml'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/web/server/fibers.scm' -> `./web/server/fibers.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/fibers/conditions.scm' -> `./fibers/conditions.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/fibers/scheduler.scm' -> `./fibers/scheduler.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/fibers/repl.scm' -> `./fibers/repl.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/fibers/posix-clocks.scm' -> `./fibers/posix-clocks.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/fibers/deque.scm' -> `./fibers/deque.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/fibers/nameset.scm' -> `./fibers/nameset.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/fibers/stack.scm' -> `./fibers/stack.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/fibers/channels.scm' -> `./fibers/channels.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/fibers/interrupts.scm' -> `./fibers/interrupts.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/fibers/operations.scm' -> `./fibers/operations.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/fibers/epoll.scm' -> `./fibers/epoll.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/fibers/config.scm.in' -> `./fibers/config.scm.in'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/fibers/io-wakeup.scm' -> `./fibers/io-wakeup.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/fibers/timers.scm' -> `./fibers/timers.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/fibers/counter.scm' -> `./fibers/counter.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/fibers/psq.scm' -> `./fibers/psq.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/fibers/web/server.scm' -> `./fibers/web/server.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/build-aux/guile.am' -> `./build-aux/guile.am'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/build-aux/config.rpath' -> `./build-aux/config.rpath'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/benchmarks/diagonal.scm' -> `./benchmarks/diagonal.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/benchmarks/ping-pong.scm' -> `./benchmarks/ping-pong.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/benchmarks/Makefile' -> `./benchmarks/Makefile'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/benchmarks/chain.scm' -> `./benchmarks/chain.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/benchmarks/fan-out.scm' -> `./benchmarks/fan-out.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/benchmarks/scale-bench' -> `./benchmarks/scale-bench'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/benchmarks/sieve.scm' -> `./benchmarks/sieve.scm'
`/gnu/store/61vfx9h8zk89c41lfrnhyr218434lp2d-guile-fibers-1.1.1-checkout/benchmarks/local-ping-pong.scm' -> `./benchmarks/local-ping-pong.scm'
phase `unpack' succeeded after 0.0 seconds
starting phase `bootstrap'
running './autogen.sh'
patch-shebang: ./autogen.sh: changing `/bin/sh' to `/gnu/store/rib9g2ig1xf3kclyl076w28parmncg4k-bash-minimal-5.1.16/bin/sh'
autoreconf: Entering directory `.'
autoreconf: configure.ac: not using Gettext
autoreconf: running: aclocal --force -I m4
aclocal: warning: couldn't open directory 'm4': No such file or directory
autoreconf: configure.ac: tracing
autoreconf: running: libtoolize --copy --force
libtoolize: putting auxiliary files in AC_CONFIG_AUX_DIR, 'build-aux'.
libtoolize: copying file 'build-aux/ltmain.sh'
libtoolize: putting macros in AC_CONFIG_MACRO_DIRS, 'm4'.
libtoolize: copying file 'm4/libtool.m4'
libtoolize: copying file 'm4/ltoptions.m4'
libtoolize: copying file 'm4/ltsugar.m4'
libtoolize: copying file 'm4/ltversion.m4'
libtoolize: copying file 'm4/lt~obsolete.m4'
autoreconf: running: /gnu/store/kngd1h8b65kdnawd9mfxarwhkaxwq0lz-autoconf-2.69/bin/autoconf --force
autoreconf: running: /gnu/store/kngd1h8b65kdnawd9mfxarwhkaxwq0lz-autoconf-2.69/bin/autoheader --force
autoreconf: running: automake --add-missing --copy --force-missing
configure.ac:32: installing 'build-aux/compile'
configure.ac:35: installing 'build-aux/config.guess'
configure.ac:35: installing 'build-aux/config.sub'
configure.ac:26: installing 'build-aux/install-sh'
configure.ac:26: installing 'build-aux/missing'
Makefile.am: installing './INSTALL'
Makefile.am: installing 'build-aux/depcomp'
Makefile.am:25: installing 'build-aux/texinfo.tex'
autoreconf: Leaving directory `.'
phase `bootstrap' succeeded after 10.3 seconds
starting phase `patch-usr-bin-file'
phase `patch-usr-bin-file' succeeded after 0.1 seconds
starting phase `patch-source-shebangs'
patch-shebang: ./benchmarks/chain.scm: changing `/usr/bin/env guile' to `/gnu/store/4gvgcfdiz67wv04ihqfa8pqwzsb0qpv5-guile-3.0.9/bin/guile'
patch-shebang: ./benchmarks/diagonal.scm: changing `/usr/bin/env guile' to `/gnu/store/4gvgcfdiz67wv04ihqfa8pqwzsb0qpv5-guile-3.0.9/bin/guile'
patch-shebang: ./benchmarks/fan-out.scm: changing `/usr/bin/env guile' to `/gnu/store/4gvgcfdiz67wv04ihqfa8pqwzsb0qpv5-guile-3.0.9/bin/guile'
patch-shebang: ./benchmarks/local-ping-pong.scm: changing `/usr/bin/env guile' to `/gnu/store/4gvgcfdiz67wv04ihqfa8pqwzsb0qpv5-guile-3.0.9/bin/guile'
patch-shebang: ./benchmarks/ping-pong.scm: changing `/usr/bin/env guile' to `/gnu/store/4gvgcfdiz67wv04ihqfa8pqwzsb0qpv5-guile-3.0.9/bin/guile'
patch-shebang: ./benchmarks/scale-bench: changing `/usr/bin/env guile' to `/gnu/store/4gvgcfdiz67wv04ihqfa8pqwzsb0qpv5-guile-3.0.9/bin/guile'
patch-shebang: ./benchmarks/sieve.scm: changing `/usr/bin/env guile' to `/gnu/store/4gvgcfdiz67wv04ihqfa8pqwzsb0qpv5-guile-3.0.9/bin/guile'
patch-shebang: ./build-aux/compile: changing `/bin/sh' to `/gnu/store/rib9g2ig1xf3kclyl076w28parmncg4k-bash-minimal-5.1.16/bin/sh'
patch-shebang: ./build-aux/config.guess: changing `/bin/sh' to `/gnu/store/rib9g2ig1xf3kclyl076w28parmncg4k-bash-minimal-5.1.16/bin/sh'
patch-shebang: ./build-aux/config.sub: changing `/bin/sh' to `/gnu/store/rib9g2ig1xf3kclyl076w28parmncg4k-bash-minimal-5.1.16/bin/sh'
patch-shebang: ./build-aux/depcomp: changing `/bin/sh' to `/gnu/store/rib9g2ig1xf3kclyl076w28parmncg4k-bash-minimal-5.1.16/bin/sh'
patch-shebang: ./build-aux/install-sh: changing `/bin/sh' to `/gnu/store/rib9g2ig1xf3kclyl076w28parmncg4k-bash-minimal-5.1.16/bin/sh'
patch-shebang: ./build-aux/ltmain.sh: changing `/bin/sh' to `/gnu/store/rib9g2ig1xf3kclyl076w28parmncg4k-bash-minimal-5.1.16/bin/sh'
patch-shebang: ./build-aux/missing: changing `/bin/sh' to `/gnu/store/rib9g2ig1xf3kclyl076w28parmncg4k-bash-minimal-5.1.16/bin/sh'
patch-shebang: ./configure: changing `/bin/sh' to `/gnu/store/rib9g2ig1xf3kclyl076w28parmncg4k-bash-minimal-5.1.16/bin/sh'
patch-shebang: ./env.in: changing `/bin/sh' to `/gnu/store/rib9g2ig1xf3kclyl076w28parmncg4k-bash-minimal-5.1.16/bin/sh'
phase `patch-source-shebangs' succeeded after 0.0 seconds
starting phase `configure'
source directory: "/tmp/guix-build-guile-fibers-1.1.1.drv-0/source" (relative from build: ".")
build directory: "/tmp/guix-build-guile-fibers-1.1.1.drv-0/source"
configure flags: ("CC_FOR_BUILD=gcc" "CONFIG_SHELL=/gnu/store/rib9g2ig1xf3kclyl076w28parmncg4k-bash-minimal-5.1.16/bin/bash" "SHELL=/gnu/store/rib9g2ig1xf3kclyl076w28parmncg4k-bash-minimal-5.1.16/bin/bash" "--prefix=/gnu/store/99wz9mpkbvxhz6z6sykfk4n26hiz5vbb-guile-fibers-1.1.1" "--enable-fast-install" "--build=x86_64-unknown-linux-gnu" "--host=i686-w64-mingw32")
checking for a BSD-compatible install... /gnu/store/a5i8avx826brw5grn3n4qv40g514505c-coreutils-9.1/bin/install -c
checking whether build environment is sane... yes
checking for i686-w64-mingw32-strip... i686-w64-mingw32-strip
checking for a thread-safe mkdir -p... /gnu/store/a5i8avx826brw5grn3n4qv40g514505c-coreutils-9.1/bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... no
checking whether make supports nested variables... yes
checking whether make supports the include directive... yes (GNU style)
checking for i686-w64-mingw32-gcc... i686-w64-mingw32-gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.exe
checking for suffix of executables... .exe
checking whether we are cross compiling... yes
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether i686-w64-mingw32-gcc accepts -g... yes
checking for i686-w64-mingw32-gcc option to accept ISO C89... none needed
checking whether i686-w64-mingw32-gcc understands -c and -o together... yes
checking dependency style of i686-w64-mingw32-gcc... gcc3
checking for library containing strerror... none required
checking for i686-w64-mingw32-gcc... (cached) i686-w64-mingw32-gcc
checking whether we are using the GNU C compiler... (cached) yes
checking whether i686-w64-mingw32-gcc accepts -g... (cached) yes
checking for i686-w64-mingw32-gcc option to accept ISO C89... (cached) none needed
checking whether i686-w64-mingw32-gcc understands -c and -o together... (cached) yes
checking dependency style of i686-w64-mingw32-gcc... (cached) gcc3
checking how to run the C preprocessor... i686-w64-mingw32-gcc -E
checking for grep that handles long lines and -e... /gnu/store/yrv5f70mn83a876b78i5s79dd2hsh0zf-grep-3.8/bin/grep
checking for egrep... /gnu/store/yrv5f70mn83a876b78i5s79dd2hsh0zf-grep-3.8/bin/grep -E
checking for ANSI C header files... yes
checking build system type... x86_64-unknown-linux-gnu
checking host system type... i686-w64-mingw32
checking how to print strings... printf
checking for a sed that does not truncate output... /gnu/store/xxcfsimvxz7z4dj593gnqbkzc6picwzq-sed-4.8/bin/sed
checking for fgrep... /gnu/store/yrv5f70mn83a876b78i5s79dd2hsh0zf-grep-3.8/bin/grep -F
checking for ld used by i686-w64-mingw32-gcc... /gnu/store/8cagkq2pb7fmxigj4n5s3hf4rvr8ndhj-gcc-cross-i686-w64-mingw32-11.3.0/libexec/gcc/i686-w64-mingw32/ld
checking if the linker (/gnu/store/8cagkq2pb7fmxigj4n5s3hf4rvr8ndhj-gcc-cross-i686-w64-mingw32-11.3.0/libexec/gcc/i686-w64-mingw32/ld) is GNU ld... yes
checking for BSD- or MS-compatible name lister (nm)... /gnu/store/m9nya8zk46m4w1ap7h6z6m6dq40rzcvg-binutils-cross-i686-w64-mingw32-2.38/bin/i686-w64-mingw32-nm -B
checking the name lister (/gnu/store/m9nya8zk46m4w1ap7h6z6m6dq40rzcvg-binutils-cross-i686-w64-mingw32-2.38/bin/i686-w64-mingw32-nm -B) interface... BSD nm
checking whether ln -s works... yes
checking the maximum length of command line arguments... 1572864
checking how to convert x86_64-unknown-linux-gnu file names to i686-w64-mingw32 format... func_convert_file_nix_to_w32
checking how to convert x86_64-unknown-linux-gnu file names to toolchain format... func_convert_file_noop
checking for /gnu/store/8cagkq2pb7fmxigj4n5s3hf4rvr8ndhj-gcc-cross-i686-w64-mingw32-11.3.0/libexec/gcc/i686-w64-mingw32/ld option to reload object files... -r
checking for i686-w64-mingw32-file... no
checking for file... file
configure: WARNING: using cross tools not prefixed with host triplet
checking for i686-w64-mingw32-objdump... i686-w64-mingw32-objdump
checking how to recognize dependent libraries... file_magic ^x86 archive import|^x86 DLL
checking for i686-w64-mingw32-dlltool... i686-w64-mingw32-dlltool
checking how to associate runtime and link libraries... func_cygming_dll_for_implib
checking for i686-w64-mingw32-ar... i686-w64-mingw32-ar
checking for archiver @FILE support... @
checking for i686-w64-mingw32-strip... (cached) i686-w64-mingw32-strip
checking for i686-w64-mingw32-ranlib... i686-w64-mingw32-ranlib
checking command to parse /gnu/store/m9nya8zk46m4w1ap7h6z6m6dq40rzcvg-binutils-cross-i686-w64-mingw32-2.38/bin/i686-w64-mingw32-nm -B output from i686-w64-mingw32-gcc object... ok
checking for sysroot... no
checking for a working dd... /gnu/store/a5i8avx826brw5grn3n4qv40g514505c-coreutils-9.1/bin/dd
checking how to truncate binary pipes... /gnu/store/a5i8avx826brw5grn3n4qv40g514505c-coreutils-9.1/bin/dd bs=4096 count=1
checking for i686-w64-mingw32-mt... no
checking for mt... no
checking if : is a manifest tool... no
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking for dlfcn.h... no
checking for objdir... .libs
checking if i686-w64-mingw32-gcc supports -fno-rtti -fno-exceptions... no
checking for i686-w64-mingw32-gcc option to produce PIC... -DDLL_EXPORT -DPIC
checking if i686-w64-mingw32-gcc PIC flag -DDLL_EXPORT -DPIC works... yes
checking if i686-w64-mingw32-gcc static flag -static works... yes
checking if i686-w64-mingw32-gcc supports -c -o file.o... yes
checking if i686-w64-mingw32-gcc supports -c -o file.o... (cached) yes
checking whether the i686-w64-mingw32-gcc linker (/gnu/store/8cagkq2pb7fmxigj4n5s3hf4rvr8ndhj-gcc-cross-i686-w64-mingw32-11.3.0/libexec/gcc/i686-w64-mingw32/ld) supports shared libraries... yes
checking whether -lc should be explicitly linked in... yes
checking dynamic linker characteristics... Win32 ld.exe
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... no
checking sys/epoll.h usability... no
checking sys/epoll.h presence... no
checking for sys/epoll.h... no
checking for epoll_create... no
checking for epoll_create1... no
checking for i686-w64-mingw32-pkg-config... /gnu/store/q3r6diff37kzw2fr8rb52ncmn57yjyk2-pkg-config-i686-w64-mingw32-0.29.2/bin/i686-w64-mingw32-pkg-config
checking pkg-config is at least version 0.9.0... yes
configure: checking for guile 3.0
configure: found guile 3.0
checking for ld... /gnu/store/8cagkq2pb7fmxigj4n5s3hf4rvr8ndhj-gcc-cross-i686-w64-mingw32-11.3.0/libexec/gcc/i686-w64-mingw32/ld
checking if the linker (/gnu/store/8cagkq2pb7fmxigj4n5s3hf4rvr8ndhj-gcc-cross-i686-w64-mingw32-11.3.0/libexec/gcc/i686-w64-mingw32/ld) is GNU ld... yes
checking for shared library run path origin... done
checking 32-bit host C ABI... yes
checking for ELF binary format... no
checking for the common suffixes of directories in the library search path... lib,lib,lib
checking for guile-3.0... yes
checking for guile-3.0... no
checking for guile3.0... no
checking for guile-3... no
checking for guile3... no
checking for guile... /gnu/store/4gvgcfdiz67wv04ihqfa8pqwzsb0qpv5-guile-3.0.9/bin/guile
checking for Guile version >= 3.0... 3.0.9
checking for guild... /gnu/store/4gvgcfdiz67wv04ihqfa8pqwzsb0qpv5-guile-3.0.9/bin/guild
checking for guile-config... /gnu/store/4gvgcfdiz67wv04ihqfa8pqwzsb0qpv5-guile-3.0.9/bin/guile-config
checking that generated files are newer than configure... done
configure: creating ./config.status
config.status: creating env
config.status: creating Makefile
config.status: creating config.h
config.status: executing depfiles commands
config.status: executing libtool commands
phase `configure' succeeded after 4.1 seconds
starting phase `patch-generated-file-shebangs'
phase `patch-generated-file-shebangs' succeeded after 0.0 seconds
starting phase `build'
mkdir -p fibers
sed -e "s|@extlibdir\@|/gnu/store/99wz9mpkbvxhz6z6sykfk4n26hiz5vbb-guile-fibers-1.1.1/lib/guile/3.0/extensions|" \
    ./fibers/config.scm.in > fibers/config.scm
make  all-am
make[1]: Entering directory '/tmp/guix-build-guile-fibers-1.1.1.drv-0/source'
restore=: && backupdir=".am$$" && \
am__cwd=`pwd` && CDPATH="${ZSH_VERSION+.}:" && cd . && \
rm -rf $backupdir && mkdir $backupdir && \
if (/gnu/store/rib9g2ig1xf3kclyl076w28parmncg4k-bash-minimal-5.1.16/bin/bash '/tmp/guix-build-guile-fibers-1.1.1.drv-0/source/build-aux/missing' makeinfo --version) >/dev/null 2>&1; then \
  for f in fibers.info fibers.info-[0-9] fibers.info-[0-9][0-9] fibers.i[0-9] fibers.i[0-9][0-9]; do \
    if test -f $f; then mv $f $backupdir; restore=mv; else :; fi; \
  done; \
else :; fi && \
cd "$am__cwd"; \
if /gnu/store/rib9g2ig1xf3kclyl076w28parmncg4k-bash-minimal-5.1.16/bin/bash '/tmp/guix-build-guile-fibers-1.1.1.drv-0/source/build-aux/missing' makeinfo   -I . \
 -o fibers.info fibers.texi; \
then \
  rc=0; \
  CDPATH="${ZSH_VERSION+.}:" && cd .; \
else \
  rc=$?; \
  CDPATH="${ZSH_VERSION+.}:" && cd . && \
  $restore $backupdir/* `echo "./fibers.info" | sed 's|[^/]*$||'`; \
fi; \
rm -rf $backupdir; exit $rc
/gnu/store/rib9g2ig1xf3kclyl076w28parmncg4k-bash-minimal-5.1.16/bin/bash ./libtool  --tag=CC   --mode=compile i686-w64-mingw32-gcc -DHAVE_CONFIG_H -I.    -I. -Wall -Werror  -I/gnu/store/6iwgr1lp6s1ppjj99xc6736h6kzlj2zq-guile-3.0.9/include/guile/3.0 -I/gnu/store/nick76y1igzp3y5lg6wbf222gj79wp4k-libgc-8.2.2/include -g -O2 -MT epoll_la-epoll.lo -MD -MP -MF .deps/epoll_la-epoll.Tpo -c -o epoll_la-epoll.lo `test -f 'epoll.c' || echo './'`epoll.c
libtool: compile:  i686-w64-mingw32-gcc -DHAVE_CONFIG_H -I. -I. -Wall -Werror -I/gnu/store/6iwgr1lp6s1ppjj99xc6736h6kzlj2zq-guile-3.0.9/include/guile/3.0 -I/gnu/store/nick76y1igzp3y5lg6wbf222gj79wp4k-libgc-8.2.2/include -g -O2 -MT epoll_la-epoll.lo -MD -MP -MF .deps/epoll_la-epoll.Tpo -c epoll.c  -DDLL_EXPORT -DPIC -o .libs/epoll_la-epoll.o
epoll.c:31:10: fatal error: sys/epoll.h: No such file or directory
   31 | #include <sys/epoll.h>
      |          ^~~~~~~~~~~~~
compilation terminated.
make[1]: *** [Makefile:651: epoll_la-epoll.lo] Error 1
make[1]: *** Waiting for unfinished jobs....
make[1]: Leaving directory '/tmp/guix-build-guile-fibers-1.1.1.drv-0/source'
make: *** [Makefile:521: all] Error 2
error: in phase 'build': uncaught exception:
%exception #<&invoke-error program: "make" arguments: ("-j" "8" "GUILE_AUTO_COMPILE=0") exit-status: 2 term-signal: #f stop-signal: #f> 
phase `build' failed after 0.7 seconds
command "make" "-j" "8" "GUILE_AUTO_COMPILE=0" failed with status 2