checking whether the C compiler (cc -Os -fstack-clash-protection -Wformat -Werror=format-security -fno-plt -g -DSTDC_HEADERS -Wl,--as-needed,-O1,--sort-common -Wl,-z,pack-relative-relocs) works... no configure: error: installation or configuration problem: C compiler cannot create executables. cc -DHAVE_CONFIG_H -DLINUX -D_BSD_SOURCE=1 -D__FAVOR_BSD=1 -Iregex-0.12 -I/usr/include/pcap -Os -fstack-clash-protection -Wformat -Werror=format-security -fno-plt -g -DSTDC_HEADERS -I/home/udu/aports/main/ngrep/src/ngrep-1_47 -g -c ngrep.c cc -Iregex-0.12 -I/usr/include/pcap -Os -fstack-clash-protection -Wformat -Werror=format-security -fno-plt -g -DSTDC_HEADERS -I/home/udu/aports/main/ngrep/src/ngrep-1_47 -c -o regex.o regex.c make: *** [Makefile:47: install] Error 1 >>> ERROR: ngrep*: package failed >>> ERROR: ngrep: rootpkg failed