Applying ./patches/010-decrease_optimisation.patch using plaintext: 
patching file GNUmakefile

Applying ./patches/020-configure_features.patch using plaintext: 
patching file gatling_features.h
make[4]: Entering directory '/builder/shared-workdir/build/sdk/build_dir/target-arm_mpcore_musl_eabi/gatling-0.16'
rm -f havesetresuid.h
if arm-openwrt-linux-muslgnueabi-gcc -pipe -Wall -O1 -fomit-frame-pointer -I/usr/local/include -DUSE_ZLIB -o tryresuid trysetresuid.c >/dev/null 2>&1; then echo "#define LIBC_HAS_SETRESUID"; fi > havesetresuid.h
rm -f tryresuid
(head -n 1 CHANGES | sed 's/\([^:]*\):/#define VERSION "\1"/') > version.h
rm -f havealloca.h
echo "#include <stdlib.h>" > havealloca.h
if  arm-openwrt-linux-muslgnueabi-gcc -pipe -Wall -O1 -fomit-frame-pointer -I/usr/local/include -DUSE_ZLIB -c tryalloca.c -DA >/dev/null 2>&1; then echo "#include <alloca.h>"; fi >> havealloca.h
if  arm-openwrt-linux-muslgnueabi-gcc -pipe -Wall -O1 -fomit-frame-pointer -I/usr/local/include -DUSE_ZLIB -c tryalloca.c -DB >/dev/null 2>&1; then echo "#include <malloc.h>"; fi >> havealloca.h
rm -f tryalloca.o
arm-openwrt-linux-muslgnueabi-gcc -c gatling.c -o gatling.o -I. -pipe -Wall -O1 -fomit-frame-pointer -I/usr/local/include -DUSE_ZLIB
cc1: note: someone does not honour COPTS correctly, passed 0 times
gatling.c: In function 'main':
gatling.c:1451:7: warning: variable 'dosmb' set but not used [-Wunused-but-set-variable]
 1451 |   int dosmb=0;
      |       ^~~~~
arm-openwrt-linux-muslgnueabi-gcc -c mime.c -o mime.o -I. -pipe -Wall -O1 -fomit-frame-pointer -I/usr/local/include -DUSE_ZLIB
cc1: note: someone does not honour COPTS correctly, passed 0 times
arm-openwrt-linux-muslgnueabi-gcc -c ftp.c -o ftp.o -I. -pipe -Wall -O1 -fomit-frame-pointer -I/usr/local/include -DUSE_ZLIB
cc1: note: someone does not honour COPTS correctly, passed 0 times
arm-openwrt-linux-muslgnueabi-gcc -c http.c -o http.o -I. -pipe -Wall -O1 -fomit-frame-pointer -I/usr/local/include -DUSE_ZLIB
cc1: note: someone does not honour COPTS correctly, passed 0 times
http.c:36:10: fatal error: openssl/md5.h: No such file or directory
   36 | #include <openssl/md5.h>
      |          ^~~~~~~~~~~~~~~
compilation terminated.
make[4]: *** [GNUmakefile:139: http.o] Error 1
make[4]: Leaving directory '/builder/shared-workdir/build/sdk/build_dir/target-arm_mpcore_musl_eabi/gatling-0.16'
make[3]: *** [Makefile:43: /builder/shared-workdir/build/sdk/build_dir/target-arm_mpcore_musl_eabi/gatling-0.16/.built] Error 2
time: package/feeds/packages/gatling/compile#1.34#0.28#2.12