>>> exim 4.93.0.4 Extracting
xzcat /home/buildroot/autobuild/run/instance-2/dl/exim/exim-4.93.0.4.tar.xz | tar --strip-components=1 -C /home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4   -xf -
>>> exim 4.93.0.4 Patching

Applying 0001-Build-buildconfig-for-the-host.patch using patch: 
patching file OS/Makefile-Base
Hunk #1 succeeded at 246 (offset 132 lines).

Applying 0002-Don-t-make-backup-copies-of-installed-files.patch using patch: 
patching file scripts/exim_install
Hunk #1 succeeded at 345 (offset 1 line).

Applying 0003-Skip-version-check-and-symlink-installation.patch using patch: 
patching file scripts/exim_install

Applying 0004-Fix-uClibc-build.patch using patch: 
patching file OS/os.h-Linux
>>> exim 4.93.0.4 Configuring
/usr/bin/install -m 0644 /home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/src/EDITME /home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/Local/Makefile
/bin/sed -i -e 's,^[#[:space:]]*BIN_DIRECTORY[[:space:]]*=.*$,BIN_DIRECTORY=/usr/sbin,' /home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/Local/Makefile
/bin/sed -i -e 's,^[#[:space:]]*CONFIGURE_FILE[[:space:]]*=.*$,CONFIGURE_FILE=/etc/exim/configure,' /home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/Local/Makefile
/bin/sed -i -e 's,^[#[:space:]]*EXIM_USER[[:space:]]*=.*$,EXIM_USER=ref:exim,' /home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/Local/Makefile
/bin/sed -i -e 's,^[#[:space:]]*EXIM_GROUP[[:space:]]*=.*$,EXIM_GROUP=mail,' /home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/Local/Makefile
/bin/sed -i -e 's,^[#[:space:]]*TRANSPORT_LMTP[[:space:]]*=.*$,TRANSPORT_LMTP=yes,' /home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/Local/Makefile
/bin/sed -i -e 's,^[#[:space:]]*PCRE_LIBS[[:space:]]*=.*$,PCRE_LIBS=-lpcre,' /home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/Local/Makefile
/bin/sed -i -e 's,^[#[:space:]]*PCRE_CONFIG[[:space:]]*=.*$,PCRE_CONFIG=no,' /home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/Local/Makefile
/bin/sed -i -e 's,^[#[:space:]]*HAVE_ICONV[[:space:]]*=.*$,HAVE_ICONV=no,' /home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/Local/Makefile
/bin/sed -i -e 's,^\([[:space:]]*EXIM_MONITOR[[:space:]]*=.*$\),# \1,' /home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/Local/Makefile
/bin/sed -i -e 's,^[#[:space:]]*AUTH_PLAINTEXT[[:space:]]*=.*$,AUTH_PLAINTEXT=yes,' /home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/Local/Makefile
/bin/sed -i -e 's,^[#[:space:]]*AUTH_CRAM_MD5[[:space:]]*=.*$,AUTH_CRAM_MD5=yes,' /home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/Local/Makefile
/bin/sed -i -e 's,^\([[:space:]]*SUPPORT_DANE[[:space:]]*=.*$\),# \1,' /home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/Local/Makefile
/bin/sed -i -e 's,^[#[:space:]]*USE_OPENSSL[[:space:]]*=.*$,USE_OPENSSL=yes,' /home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/Local/Makefile
/bin/sed -i -e 's,^[#[:space:]]*USE_OPENSSL_PC[[:space:]]*=.*$,USE_OPENSSL_PC=openssl,' /home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/Local/Makefile
echo "CC=/home/buildroot/autobuild/run/instance-2/output-1/host/bin/arm-none-linux-gnueabi-gcc" >>/home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/Local/Makefile
echo "CFLAGS=-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os  " >>/home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/Local/Makefile
echo "AR=/home/buildroot/autobuild/run/instance-2/output-1/host/bin/arm-none-linux-gnueabi-ar cq" >>/home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/Local/Makefile
echo "RANLIB=/home/buildroot/autobuild/run/instance-2/output-1/host/bin/arm-none-linux-gnueabi-ranlib" >>/home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/Local/Makefile
echo "HOSTCC=/usr/bin/gcc" >>/home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/Local/Makefile
echo "HOSTCFLAGS=" >>/home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/Local/Makefile
>>> exim 4.93.0.4 Building
PATH="/home/buildroot/autobuild/run/instance-2/output-1/host/bin:/home/buildroot/autobuild/run/instance-2/output-1/host/sbin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games" build=br /usr/bin/make -j1 -C /home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4 makefile
make[1]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4'

>>> Creating links to source files...
>>> Creating lookups/Makefile for building dynamic modules
>>> New Makefile & lookups/Makefile installed
>>> Use "make makefile" if you need to force rebuilding of the makefile
 
make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4'
PATH="/home/buildroot/autobuild/run/instance-2/output-1/host/bin:/home/buildroot/autobuild/run/instance-2/output-1/host/sbin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games" PKG_CONFIG="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/pkg-config" PKG_CONFIG_SYSROOT_DIR="/" PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 PKG_CONFIG_LIBDIR="/home/buildroot/autobuild/run/instance-2/output-1/host/lib/pkgconfig:/home/buildroot/autobuild/run/instance-2/output-1/host/share/pkgconfig" /usr/bin/make -j1 -C /home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/build-br macro_predef CC=/usr/bin/gcc LNCC=/usr/bin/gcc CFLAGS="-std=c99 -O2 -I/home/buildroot/autobuild/run/instance-2/output-1/host/include" LFLAGS="-fPIC -L/home/buildroot/autobuild/run/instance-2/output-1/host/lib -Wl,-rpath,/home/buildroot/autobuild/run/instance-2/output-1/host/lib"
make[1]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/build-br'
/bin/sh ../scripts/Configure-os.h
/usr/bin/gcc buildconfig.c
/bin/sh ../scripts/Configure-config.h "/usr/bin/make"
make[2]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/build-br'
make[2]: `buildconfig' is up to date.
make[2]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/build-br'
Building configuration file config.h
>>> config.h built

/usr/bin/gcc -DMACRO_PREDEF macro_predef.c
/usr/bin/gcc -DMACRO_PREDEF globals.c
/usr/bin/gcc -DMACRO_PREDEF readconf.c
/usr/bin/gcc -DMACRO_PREDEF route.c
/usr/bin/gcc -DMACRO_PREDEF transport.c
/usr/bin/gcc -DMACRO_PREDEF drtables.c
/usr/bin/gcc -DMACRO_PREDEF tls.c
/usr/bin/gcc -DMACRO_PREDEF transports/appendfile.c
/usr/bin/gcc -DMACRO_PREDEF transports/autoreply.c
/usr/bin/gcc -DMACRO_PREDEF transports/lmtp.c
/usr/bin/gcc -DMACRO_PREDEF transports/pipe.c
/usr/bin/gcc -DMACRO_PREDEF transports/queuefile.c
/usr/bin/gcc -DMACRO_PREDEF transports/smtp.c
/usr/bin/gcc -DMACRO_PREDEF routers/accept.c
/usr/bin/gcc -DMACRO_PREDEF routers/dnslookup.c
/usr/bin/gcc -DMACRO_PREDEF routers/ipliteral.c
/usr/bin/gcc -DMACRO_PREDEF routers/iplookup.c
/usr/bin/gcc -DMACRO_PREDEF routers/manualroute.c
/usr/bin/gcc -DMACRO_PREDEF routers/queryprogram.c
/usr/bin/gcc -DMACRO_PREDEF routers/redirect.c
/usr/bin/gcc -DMACRO_PREDEF auths/auth-spa.c
/usr/bin/gcc -DMACRO_PREDEF auths/cram_md5.c
/usr/bin/gcc -DMACRO_PREDEF auths/cyrus_sasl.c
/usr/bin/gcc -DMACRO_PREDEF auths/dovecot.c
/usr/bin/gcc -DMACRO_PREDEF auths/gsasl_exim.c
/usr/bin/gcc -DMACRO_PREDEF auths/heimdal_gssapi.c
/usr/bin/gcc -DMACRO_PREDEF auths/plaintext.c
/usr/bin/gcc -DMACRO_PREDEF auths/spa.c
/usr/bin/gcc -DMACRO_PREDEF auths/tls.c
/usr/bin/gcc -DMACRO_PREDEF auths/external.c
/usr/bin/gcc -DMACRO_PREDEF dkim.c
/usr/bin/gcc -DMACRO_PREDEF malware.c
/usr/bin/gcc -DMACRO_PREDEF pdkim/signing.c
/usr/bin/gcc -o macro_predef
make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/build-br'
PATH="/home/buildroot/autobuild/run/instance-2/output-1/host/bin:/home/buildroot/autobuild/run/instance-2/output-1/host/sbin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games" build=br /usr/bin/make -j1 -C /home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4 
make[1]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4'
/bin/sh scripts/source_checks
`Makefile' is up to date.
 
make[2]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/build-br'
/bin/sh ../scripts/Configure-os.c
./macro_predef > macro.c
>>> exicyclog script built
>>> exinext script built
>>> exiwhat script built
>>> exigrep script built
>>> eximstats script built
>>> exipick script built
>>> exiqgrep script built
>>> exiqsumm script built
>>> transport-filter.pl script built
>>> convert4r3 script built
>>> convert4r4 script built
>>> exim_checkaccess script built

/home/buildroot/autobuild/run/instance-2/output-1/host/bin/arm-none-linux-gnueabi-gcc exim_dbmbuild.c
/home/buildroot/autobuild/run/instance-2/output-1/host/bin/arm-none-linux-gnueabi-gcc -o exim_dbmbuild
>>> exim_dbmbuild utility built
 
/home/buildroot/autobuild/run/instance-2/output-1/host/bin/arm-none-linux-gnueabi-gcc -DEXIM_DUMPDB exim_dbutil.c
exim_dbutil.c: In function 'main':
exim_dbutil.c:568:1: error: 'for' loop initial declarations are only allowed in C99 mode
 for (uschar * key = dbfn_scan(dbm, TRUE, &cursor);
 ^
exim_dbutil.c:568:1: note: use option -std=c99 or -std=gnu99 to compile your code
exim_dbutil.c:630:2: error: 'for' loop initial declarations are only allowed in C99 mode
  for (int i = 1; i <= wait->count; i++)
  ^
exim_dbutil.c:642:6: error: 'for' loop initial declarations are only allowed in C99 mode
      for (int j = 0; j < MESSAGE_ID_LENGTH; j++)
      ^
make[2]: *** [exim_dumpdb.o] Error 1
make[2]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/build-br'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4'
make: *** [/home/buildroot/autobuild/run/instance-2/output-1/build/exim-4.93.0.4/.stamp_built] Error 2
make: Leaving directory `/home/buildroot/autobuild/run/instance-2/buildroot'