>>> genext2fs: Building community/genext2fs 1.5.0-r1 (using abuild 3.13.0-r3) started Mon, 06 May 2024 19:48:53 +0000
>>> genext2fs: Checking sanity of /home/buildozer/aports/community/genext2fs/APKBUILD...
>>> genext2fs: Analyzing dependencies...
>>> genext2fs: Installing for build: build-base autoconf automake bash libarchive-dev
(1/9) Installing m4 (1.4.19-r3)
(2/9) Installing autoconf (2.72-r0)
(3/9) Installing automake (1.16.5-r2)
(4/9) Installing readline (8.2.10-r0)
(5/9) Installing bash (5.2.26-r0)
Executing bash-5.2.26-r0.post-install
(6/9) Installing libarchive (3.7.3-r0)
(7/9) Installing openssl-dev (3.3.0-r1)
(8/9) Installing libarchive-dev (3.7.3-r0)
(9/9) Installing .makedepends-genext2fs (20240506.194912)
Executing busybox-1.36.1-r26.trigger
OK: 1702 MiB in 132 packages
>>> genext2fs: Cleaning up srcdir
>>> genext2fs: Cleaning up pkgdir
>>> genext2fs: Cleaning up tmpdir
>>> genext2fs: Fetching https://distfiles.alpinelinux.org/distfiles/v3.20/genext2fs-1.5.0.tar.gz
Connecting to distfiles.alpinelinux.org (172.105.82.32:443)
saving to '/var/cache/distfiles/v3.20/genext2fs-1.5.0.tar.gz.part'
genext2fs-1.5.0.tar. 100% |********************************| 47848  0:00:00 ETA
'/var/cache/distfiles/v3.20/genext2fs-1.5.0.tar.gz.part' saved
>>> genext2fs: Fetching https://distfiles.alpinelinux.org/distfiles/v3.20/genext2fs-1.5.0.tar.gz
>>> genext2fs: Checking sha512sums...
genext2fs-1.5.0.tar.gz: OK
version.patch: OK
>>> genext2fs: Unpacking /var/cache/distfiles/v3.20/genext2fs-1.5.0.tar.gz...
>>> genext2fs: version.patch
patching file configure.ac
configure.ac:12: warning: The macro 'AC_CONFIG_HEADER' is obsolete.
configure.ac:12: You should run autoupdate.
./lib/autoconf/status.m4:719: AC_CONFIG_HEADER is expanded from...
configure.ac:12: the top level
configure.ac:14: warning: The macro 'AC_GNU_SOURCE' is obsolete.
configure.ac:14: You should run autoupdate.
./lib/autoconf/specific.m4:489: AC_GNU_SOURCE is expanded from...
configure.ac:14: the top level
configure.ac:22: warning: The macro 'AC_HEADER_STDC' is obsolete.
configure.ac:22: You should run autoupdate.
./lib/autoconf/headers.m4:663: AC_HEADER_STDC is expanded from...
configure.ac:22: the top level
configure.ac:37: warning: The macro 'AC_TRY_RUN' is obsolete.
configure.ac:37: You should run autoupdate.
./lib/autoconf/general.m4:2995: AC_TRY_RUN is expanded from...
lib/m4sugar/m4sh.m4:690: _AS_IF_ELSE is expanded from...
lib/m4sugar/m4sh.m4:697: AS_IF is expanded from...
./lib/autoconf/general.m4:2249: AC_CACHE_VAL is expanded from...
m4/ac_func_snprintf.m4:18: AC_FUNC_SNPRINTF is expanded from...
configure.ac:37: the top level
configure.ac:61: warning: AC_OUTPUT should be used without arguments.
configure.ac:61: You should run autoupdate.
configure.ac:14: installing './compile'
configure.ac:11: installing './install-sh'
configure.ac:11: installing './missing'
Makefile.am: installing './depcomp'
parallel-tests: installing './test-driver'

Now just run:
./configure
make
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a race-free mkdir -p... /bin/mkdir -p
checking for gawk... no
checking for mawk... no
checking for nawk... no
checking for awk... awk
checking whether make sets $(MAKE)... yes
checking whether make supports nested variables... yes
checking whether make supports the include directive... yes (GNU style)
checking for x86_64-alpine-linux-musl-gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether the compiler supports GNU C... yes
checking whether gcc accepts -g... yes
checking for gcc option to enable C11 features... none needed
checking whether gcc understands -c and -o together... yes
checking dependency style of gcc... gcc3
checking for stdio.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for strings.h... yes
checking for sys/stat.h... yes
checking for sys/types.h... yes
checking for unistd.h... yes
checking for wchar.h... yes
checking for minix/config.h... no
checking whether it is safe to define __EXTENSIONS__... yes
checking whether _XOPEN_SOURCE should be defined... no
checking for x86_64-alpine-linux-musl-gcc... (cached) gcc
checking whether the compiler supports GNU C... (cached) yes
checking whether gcc accepts -g... (cached) yes
checking for gcc option to enable C11 features... (cached) none needed
checking whether gcc understands -c and -o together... (cached) yes
checking dependency style of gcc... (cached) gcc3
checking for dirent.h that defines DIR... yes
checking for library containing opendir... none required
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for sys/mkdev.h... no
checking for sys/sysmacros.h... yes
checking for fcntl.h... yes
checking for inttypes.h... (cached) yes
checking for limits.h... yes
checking for memory.h... yes
checking for stddef.h... yes
checking for stdint.h... (cached) yes
checking for stdlib.h... (cached) yes
checking for string.h... (cached) yes
checking for strings.h... (cached) yes
checking for unistd.h... (cached) yes
checking for libgen.h... yes
checking for getopt.h... yes
checking for an ANSI C-conforming const... yes
checking for uid_t... yes
checking for gid_t... yes
checking for inline... inline
checking for size_t... yes
checking for ssize_t... yes
checking for struct stat.st_rdev... yes
checking for getopt_long... yes
checking for getline... yes
checking for strtof... yes
checking for snprintf... yes
checking for vsnprintf... yes
checking for working snprintf... yes
checking for working vsnprintf... yes
checking for stdlib.h... (cached) yes
checking whether scanf can malloc... no
checking --enable-libarchive argument... yes
checking for archive_read_new in -larchive... yes
checking for archive.h... yes
checking for archive_entry.h... yes
checking that generated files are newer than configure... done
configure: creating ./config.status
config.status: creating Makefile
config.status: creating config.h
config.status: executing depfiles commands
config.status: executing default commands
make  all-am
make[1]: Entering directory '/home/buildozer/aports/community/genext2fs/src/genext2fs-1.5.0'
gcc -DHAVE_CONFIG_H -I.     -Os -fstack-clash-protection -Wformat -Werror=format-security -fno-plt -MT genext2fs.o -MD -MP -MF .deps/genext2fs.Tpo -c -o genext2fs.o genext2fs.c
mv -f .deps/genext2fs.Tpo .deps/genext2fs.Po
gcc  -Os -fstack-clash-protection -Wformat -Werror=format-security -fno-plt  -Wl,--as-needed,-O1,--sort-common -Wl,-z,pack-relative-relocs -o genext2fs genext2fs.o -larchive 
make[1]: Leaving directory '/home/buildozer/aports/community/genext2fs/src/genext2fs-1.5.0'
make  check-TESTS
make[1]: Entering directory '/home/buildozer/aports/community/genext2fs/src/genext2fs-1.5.0'
make[2]: Entering directory '/home/buildozer/aports/community/genext2fs/src/genext2fs-1.5.0'
PASS: test.sh
============================================================================
Testsuite summary for genext2fs 1.5.0
============================================================================
# TOTAL: 1
# PASS:  1
# SKIP:  0
# XFAIL: 0
# FAIL:  0
# XPASS: 0
# ERROR: 0
============================================================================
make[2]: Leaving directory '/home/buildozer/aports/community/genext2fs/src/genext2fs-1.5.0'
make[1]: Leaving directory '/home/buildozer/aports/community/genext2fs/src/genext2fs-1.5.0'
>>> genext2fs: Entering fakeroot...
make[1]: Entering directory '/home/buildozer/aports/community/genext2fs/src/genext2fs-1.5.0'
 /bin/mkdir -p '/home/buildozer/aports/community/genext2fs/pkg/genext2fs/usr/share/man/man8'
 /bin/mkdir -p '/home/buildozer/aports/community/genext2fs/pkg/genext2fs/usr/bin'
  /usr/bin/install -c genext2fs '/home/buildozer/aports/community/genext2fs/pkg/genext2fs/usr/bin'
 /usr/bin/install -c -m 644 genext2fs.8 '/home/buildozer/aports/community/genext2fs/pkg/genext2fs/usr/share/man/man8'
make[1]: Leaving directory '/home/buildozer/aports/community/genext2fs/src/genext2fs-1.5.0'
>>> genext2fs-doc*: Running split function doc...
>>> genext2fs-doc*: Preparing subpackage genext2fs-doc...
>>> genext2fs-doc*: Running postcheck for genext2fs-doc
>>> genext2fs*: Running postcheck for genext2fs
>>> genext2fs*: Preparing package genext2fs...
>>> genext2fs*: Stripping binaries
>>> genext2fs-doc*: Scanning shared objects
>>> genext2fs*: Scanning shared objects
>>> genext2fs-doc*: Tracing dependencies...
>>> genext2fs-doc*: Package size: 24.0 KB
>>> genext2fs-doc*: Compressing data...
>>> genext2fs-doc*: Create checksum...
>>> genext2fs-doc*: Create genext2fs-doc-1.5.0-r1.apk
>>> genext2fs*: Tracing dependencies...
	so:libarchive.so.13
	so:libc.musl-x86_64.so.1
>>> genext2fs*: Package size: 60.0 KB
>>> genext2fs*: Compressing data...
>>> genext2fs*: Create checksum...
>>> genext2fs*: Create genext2fs-1.5.0-r1.apk
>>> genext2fs: Build complete at Mon, 06 May 2024 19:49:24 +0000 elapsed time 0h 0m 31s
>>> genext2fs: Cleaning up srcdir
>>> genext2fs: Cleaning up pkgdir
>>> genext2fs: Uninstalling dependencies...
(1/9) Purging .makedepends-genext2fs (20240506.194912)
(2/9) Purging autoconf (2.72-r0)
(3/9) Purging m4 (1.4.19-r3)
(4/9) Purging automake (1.16.5-r2)
(5/9) Purging bash (5.2.26-r0)
Executing bash-5.2.26-r0.pre-deinstall
(6/9) Purging libarchive-dev (3.7.3-r0)
(7/9) Purging libarchive (3.7.3-r0)
(8/9) Purging openssl-dev (3.3.0-r1)
(9/9) Purging readline (8.2.10-r0)
Executing busybox-1.36.1-r26.trigger
OK: 1693 MiB in 123 packages
>>> genext2fs: Updating the community/x86_64 repository index...
>>> genext2fs: Signing the index...