Fix/ffi env

[henderkes]

Causes:

/opt/rh/devtoolset-10/root/usr/libexec/gcc/x86_64-redhat-linux/10/ld: /app/buildroot/lib/libffi.a(prep_cif.o): relocation R_X86_64_32S against symbol `ffi_type_float' can not be used when making a PIE object; recompile with -fPIE
/opt/rh/devtoolset-10/root/usr/libexec/gcc/x86_64-redhat-linux/10/ld: /app/buildroot/lib/libffi.a(closures.o): relocation R_X86_64_32 against `.rodata.str1.1' can not be used when making a PIE object; recompile with -fPIE
/opt/rh/devtoolset-10/root/usr/libexec/gcc/x86_64-redhat-linux/10/ld: /app/buildroot/lib/libffi.a(tramp.o): relocation R_X86_64_32 against `.rodata.str1.1' can not be used when making a PIE object; recompile with -fPIE
/opt/rh/devtoolset-10/root/usr/libexec/gcc/x86_64-redhat-linux/10/ld: /app/buildroot/lib/libffi.a(ffi64.o): relocation R_X86_64_32S against `.rodata' can not be used when making a PIE object; recompile with -fPIE
/opt/rh/devtoolset-10/root/usr/libexec/gcc/x86_64-redhat-linux/10/ld: /app/buildroot/lib/libffi.a(ffiw64.o): relocation R_X86_64_32S against hidden symbol `ffi_closure_win64' can not be used when making a PIE object
/opt/rh/devtoolset-10/root/usr/libexec/gcc/x86_64-redhat-linux/10/ld: /app/buildroot/lib/libffi.a(types.o): warning: relocation in read-only section `.rodata'
/opt/rh/devtoolset-10/root/usr/libexec/gcc/x86_64-redhat-linux/10/ld: warning: GNU indirect functions with DT_TEXTREL may result in a segfault at runtime; recompile with -fPIE
collect2: error: ld returned 1 exit status

When trying to compile as -pie. The -fPIC and -fPIE are given in extra flags of the environment.