143890927Smillertmicroperl is supposed to be a really minimal perl, even more 255745691Smillertminimal than miniperl. No Configure is needed to build microperl, 355745691Smillerton the other hand this means that interfaces between Perl and your 455745691Smillertoperating system are left very -- minimal. 555745691Smillert 655745691SmillertAll this is experimental. If you don't know what to do with microperl 7*898184e3Ssthenyou probably shouldn't. Please don't report bugs in microperl; fix the 8*898184e3Ssthenbugs. (Bugs reports about microperl without fixes/patches are equivalent 9*898184e3Ssthento wishlist requests - they won't be discarded, but they likely won't get 10*898184e3Ssthenworked on either, unless they chance to coincide with someone's personal itch) 1155745691Smillert 1285009909SmillertWe assume ANSI C89 plus the following: 13*898184e3Ssthen- <stddef.h>, <stdlib.h> 1485009909Smillert- rename() 1585009909Smillert- opendir(), readdir(), closedir() (via dirent.h) 16*898184e3Ssthen- memchr(), memcmp(), memcpy(), memset() (via string.h) 1785009909Smillert- (a safe) putenv() (via stdlib.h) 1885009909Smillert- strtoul() (via stdlib.h) 1985009909Smillert(grep for 'define' in uconfig.sh.) 2085009909SmillertAlso, Perl times() is defined to always return zeroes. 2185009909Smillert 2255745691SmillertIf you are still reading this and you are itching to try out microperl: 2355745691Smillert 2455745691Smillert make -f Makefile.micro 2555745691Smillert 26*898184e3SsthenThe defaults assume a little endian LP32 platform - ie long and pointers are 27*898184e3Ssthen32 bits, so sizeof(long) and sizeof(void *) are 4 28*898184e3SsthenIf your platform is little endian LP64 - ie long and pointers are 64 bits, 29*898184e3Ssthensizeof(long) and sizeof(void *) are 8, then you first need to run 30*898184e3Ssthen 31*898184e3Ssthen make -f Makefile.micro regen_uconfig64 32*898184e3Ssthen 33*898184e3Ssthento generate a suitable uconfig.h 34*898184e3Ssthen 3543890927SmillertIf you make changes to uconfig.sh, run 3655745691Smillert 3743890927Smillert make -f Makefile.micro regen_uconfig 3855745691Smillert 39*898184e3Ssthento regenerate uconfig.h. (or regen_uconfig64 if you're editing uconfig64.sh) 40*898184e3Ssthen 41*898184e3Ssthen 42*898184e3SsthenIf neither of the above default configs work on your platform, you might want 43*898184e3Ssthento try 44850e2753Smillert 45850e2753Smillert make -f Makefile.micro patch_uconfig 46850e2753Smillert 47850e2753Smillert*before* the "make -f Makefile.micro". This tries to minimally patch 48850e2753Smillertthe uconfig.sh using your *current* Perl so that your microperl has 49850e2753Smillertthe correct basic types and sizes and byteorder. 50