From 2d0961adcf4f90261822c7f645f7fc096f414141 Mon Sep 17 00:00:00 2001 From: Matthew Flatt Date: Sun, 2 Aug 2020 17:16:31 -0600 Subject: [PATCH] avoid dependency on libuuid by using /dev/urandom on non-Windows --- racket/src/ChezScheme/BUILDING | 1 - racket/src/ChezScheme/c/stats.c | 50 +- racket/src/ChezScheme/c/version.h | 3 + racket/src/cs/c/configure | 816 +++++++++++++++--------------- racket/src/cs/c/configure.ac | 11 +- 5 files changed, 457 insertions(+), 424 deletions(-) diff --git a/racket/src/ChezScheme/BUILDING b/racket/src/ChezScheme/BUILDING index db25cc2dff..8a291bf22d 100644 --- a/racket/src/ChezScheme/BUILDING +++ b/racket/src/ChezScheme/BUILDING @@ -22,7 +22,6 @@ On Unix variants: * GCC, Clang, or a similarly capable compiler * Header files and libraries for ncurses [unless --disable-curses] * Header files and libraries for X windows [unless --disable-x11] - * Header files and libraries for uuid On Windows: diff --git a/racket/src/ChezScheme/c/stats.c b/racket/src/ChezScheme/c/stats.c index 09e95ea35d..e47b49af1b 100644 --- a/racket/src/ChezScheme/c/stats.c +++ b/racket/src/ChezScheme/c/stats.c @@ -65,7 +65,55 @@ ptr S_unique_id() { Sunsigned32(u.foo[3])))); } -#elif defined(USE_OSSP_UUID) /* WIN32 */ +#elif defined(USE_DEV_URANDOM_UUID) /* WIN32 */ + +#include +#include +#include +#include + +ptr S_unique_id() { + U32 r[4]; + int fd, failed = 0; + + /* Implements UUIDv4 (random) using /dev/urandom */ + + do { + fd = open("/dev/urandom", O_RDONLY); + } while ((fd == -1) && errno == EAGAIN); + + if (fd != -1) { + int delta = 0, got; + while (delta < (int)sizeof(r)) { + got = read(fd, (char *)r + delta, sizeof(r) - delta); + if (got < 0) { + if (errno != EAGAIN) { + failed = 1; + break; + } + } else + delta += got; + } + do { + got = close(fd); + } while ((got != 0) && (errno == EAGAIN)); + } else + failed = 1; + + if (failed) + S_error("S_unique_id", "failed to access random bytes"); + + /* Set bits to indidate UUIDv4: */ + r[1] = (r[1] & (U32)0xFFFF0FFF) | (U32)0x00004000; + r[2] = (r[2] & (U32)0x3FFFFFFF) | (U32)0x80000000; + + return S_add(S_ash(Sunsigned32(r[0]), Sinteger(8*3*sizeof(U32))), + S_add(S_ash(Sunsigned32(r[1]), Sinteger(8*2*sizeof(U32))), + S_add(S_ash(Sunsigned32(r[2]), Sinteger(8*sizeof(U32))), + Sunsigned32(r[3])))); +} + +#elif defined(USE_OSSP_UUID) /* USE_DEV_URANDOM_UUID */ #include diff --git a/racket/src/ChezScheme/c/version.h b/racket/src/ChezScheme/c/version.h index 7744040b7b..4ac55ca09d 100644 --- a/racket/src/ChezScheme/c/version.h +++ b/racket/src/ChezScheme/c/version.h @@ -465,3 +465,6 @@ typedef char tputsputcchar; #ifndef WRITE # define WRITE write #endif + +/* Use "/dev/urandom" everywhere except Windows */ +#define USE_DEV_URANDOM_UUID diff --git a/racket/src/cs/c/configure b/racket/src/cs/c/configure index 526ef23e43..3219c76dfa 100755 --- a/racket/src/cs/c/configure +++ b/racket/src/cs/c/configure @@ -675,10 +675,10 @@ ARFLAGS AR LD upsrcdir -STRIP EGREP GREP CPP +STRIP platform_ar_found RANLIB OBJEXT @@ -4226,14 +4226,14 @@ case "$host_os" in *freebsd*) MACH_OS=fb CFLAGS="${CFLAGS} -I/usr/local/include" - LIBS="${LIBS} -L/usr/local/lib -liconv -lm -lpthread -lossp-uuid" + LIBS="${LIBS} -L/usr/local/lib -liconv -lm -lpthread" CPPFLAGS="${CPPFLAGS} -DELF_FIND_BOOT_SECTION" ELF_COMP="--expect-elf" ;; openbsd*) MACH_OS=ob CFLAGS="${CFLAGS} -I/usr/local/include" - LIBS="${LIBS} -L/usr/local/lib -liconv -lm -lpthread -lossp-uuid" + LIBS="${LIBS} -L/usr/local/lib -liconv -lm -lpthread" LDFLAGS="${LDFLAGS} -Wl,-zwxneeded" CPPFLAGS="${CPPFLAGS} -DELF_FIND_BOOT_SECTION" ELF_COMP="--expect-elf" @@ -4253,418 +4253,9 @@ case "$host_os" in ;; linux*) MACH_OS=le - LIBS="${LIBS} -lrt -luuid" + LIBS="${LIBS} -lrt" CPPFLAGS="${CPPFLAGS} -DELF_FIND_BOOT_SECTION" ELF_COMP="--expect-elf" - ac_ext=c -ac_cpp='$CPP $CPPFLAGS' -ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' -ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' -ac_compiler_gnu=$ac_cv_c_compiler_gnu -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5 -$as_echo_n "checking how to run the C preprocessor... 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Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "C preprocessor \"$CPP\" fails sanity check +See \`config.log' for more details" "$LINENO" 5; } +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5 +$as_echo_n "checking for grep that handles long lines and -e... " >&6; } +if ${ac_cv_path_GREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$GREP"; then + ac_path_GREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in grep ggrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_GREP" || continue +# Check for GNU ac_path_GREP and select it if it is found. + # Check for GNU $ac_path_GREP +case `"$ac_path_GREP" --version 2>&1` in +*GNU*) + ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'GREP' >> "conftest.nl" + "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_GREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_GREP="$ac_path_GREP" + ac_path_GREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_GREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_GREP"; then + as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_GREP=$GREP +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5 +$as_echo "$ac_cv_path_GREP" >&6; } + GREP="$ac_cv_path_GREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5 +$as_echo_n "checking for egrep... " >&6; } +if ${ac_cv_path_EGREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if echo a | $GREP -E '(a|b)' >/dev/null 2>&1 + then ac_cv_path_EGREP="$GREP -E" + else + if test -z "$EGREP"; then + ac_path_EGREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in egrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_EGREP" || continue +# Check for GNU ac_path_EGREP and select it if it is found. + # Check for GNU $ac_path_EGREP +case `"$ac_path_EGREP" --version 2>&1` in +*GNU*) + ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'EGREP' >> "conftest.nl" + "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_EGREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_EGREP="$ac_path_EGREP" + ac_path_EGREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_EGREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_EGREP"; then + as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_EGREP=$EGREP +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5 +$as_echo "$ac_cv_path_EGREP" >&6; } + EGREP="$ac_cv_path_EGREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5 +$as_echo_n "checking for ANSI C header files... " >&6; } +if ${ac_cv_header_stdc+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +#include + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_header_stdc=yes +else + ac_cv_header_stdc=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +if test $ac_cv_header_stdc = yes; then + # SunOS 4.x string.h does not declare mem*, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "memchr" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "free" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. + if test "$cross_compiling" = yes; then : + : +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#if ((' ' & 0x0FF) == 0x020) +# define ISLOWER(c) ('a' <= (c) && (c) <= 'z') +# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) +#else +# define ISLOWER(c) \ + (('a' <= (c) && (c) <= 'i') \ + || ('j' <= (c) && (c) <= 'r') \ + || ('s' <= (c) && (c) <= 'z')) +# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) +#endif + +#define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) +int +main () +{ + int i; + for (i = 0; i < 256; i++) + if (XOR (islower (i), ISLOWER (i)) + || toupper (i) != TOUPPER (i)) + return 2; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + +else + ac_cv_header_stdc=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5 +$as_echo "$ac_cv_header_stdc" >&6; } +if test $ac_cv_header_stdc = yes; then + +$as_echo "#define STDC_HEADERS 1" >>confdefs.h + +fi + +# On IRIX 5.3, sys/types and inttypes.h are conflicting. +for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \ + inttypes.h stdint.h unistd.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default +" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + +ac_fn_c_check_header_mongrel "$LINENO" "iconv.h" "ac_cv_header_iconv_h" "$ac_includes_default" if test "x$ac_cv_header_iconv_h" = xyes; then : enable_iconv=yes else diff --git a/racket/src/cs/c/configure.ac b/racket/src/cs/c/configure.ac index 727c18d5bf..bc7cae425c 100644 --- a/racket/src/cs/c/configure.ac +++ b/racket/src/cs/c/configure.ac @@ -194,14 +194,14 @@ case "$host_os" in *freebsd*) MACH_OS=fb CFLAGS="${CFLAGS} -I/usr/local/include" - LIBS="${LIBS} -L/usr/local/lib -liconv -lm -lpthread -lossp-uuid" + LIBS="${LIBS} -L/usr/local/lib -liconv -lm -lpthread" CPPFLAGS="${CPPFLAGS} -DELF_FIND_BOOT_SECTION" ELF_COMP="--expect-elf" ;; openbsd*) MACH_OS=ob CFLAGS="${CFLAGS} -I/usr/local/include" - LIBS="${LIBS} -L/usr/local/lib -liconv -lm -lpthread -lossp-uuid" + LIBS="${LIBS} -L/usr/local/lib -liconv -lm -lpthread" LDFLAGS="${LDFLAGS} -Wl,-zwxneeded" CPPFLAGS="${CPPFLAGS} -DELF_FIND_BOOT_SECTION" ELF_COMP="--expect-elf" @@ -221,14 +221,9 @@ case "$host_os" in ;; linux*) MACH_OS=le - LIBS="${LIBS} -lrt -luuid" + LIBS="${LIBS} -lrt" CPPFLAGS="${CPPFLAGS} -DELF_FIND_BOOT_SECTION" ELF_COMP="--expect-elf" - AC_CHECK_HEADER(uuid/uuid.h, ok_uuid=yes, ok_uuid=no) - if test "${ok_uuid}" != "yes"; then - echo Could not find uuid/uuid.h, needed for Chez Scheme - exit 1 - fi ;; osf1*) ;;