diff options
Diffstat (limited to 'configure.ac')
-rw-r--r-- | configure.ac | 242 |
1 files changed, 112 insertions, 130 deletions
diff --git a/configure.ac b/configure.ac index 77e381f50..78621042d 100644 --- a/configure.ac +++ b/configure.ac @@ -273,11 +273,6 @@ fi], AC_DEFINE(CONFIG_LOCALE) ) -dnl Do you want to compile as K&R C. -AC_ARG_ENABLE(ansi2knr, -AS_HELP_STRING([--enable-ansi2knr],[translate source to K&R C before compiling]), -[ansi2knr="$enableval"], [ansi2knr=default]) - ifdef([runhelpdir],[undefine([runhelpdir])])dnl AC_ARG_ENABLE(runhelpdir, AS_HELP_STRING([--enable-runhelpdir=DIR],[the directory in which to install run-help files]), @@ -438,7 +433,18 @@ fi], dnl Do you want to look for pcre support? AC_ARG_ENABLE(pcre, -AS_HELP_STRING([--enable-pcre],[enable the search for the pcre library (may create run-time library dependencies)])) +AS_HELP_STRING([--enable-pcre],[enable the search for the pcre2 library (may create run-time library dependencies)])) + +AC_ARG_VAR(PCRE_CONFIG, [pathname of pcre2-config if it is not in PATH]) +if test "x$enable_pcre" = xyes; then + AC_CHECK_PROG([PCRE_CONFIG], pcre2-config, pcre2-config) + if test "x$PCRE_CONFIG" = x; then + enable_pcre=no + AC_MSG_WARN([pcre2-config not found: pcre module is disabled.]) + AC_MSG_NOTICE( + [Set PCRE_CONFIG to pathname of pcre2-config if it is not in PATH.]) + fi +fi dnl Do you want to look for capability support? AC_ARG_ENABLE(cap, @@ -472,7 +478,7 @@ fi dnl if the user hasn't specified CFLAGS, then dnl if compiler is gcc, then use -O2 and some warning flags dnl else use -O -if test -n "$auto_cflags" && test ."$ansi2knr" != .yes; then +if test -n "$auto_cflags"; then if test "${enable_zsh_debug}" = yes; then if test -n "$GCC"; then CFLAGS="$CFLAGS -Wall -Wmissing-prototypes -ggdb" @@ -546,30 +552,6 @@ case "$host_os" in darwin[[0-9]].*) CPP="$CPP -traditional-cpp" ;; esac -fp_PROG_CC_STDC -AC_MSG_CHECKING([whether to use prototypes]) -if test ."$ansi2knr" = .yes || test ."$ansi2knr" = .no; then - msg="(overridden) " -else - msg= - if test ."$fp_cv_prog_cc_stdc" = .no; then - ansi2knr=yes - else - ansi2knr=no - fi -fi -AH_TEMPLATE([PROTOTYPES], -[Define to 1 if ANSI function prototypes are usable.]) -if test "$ansi2knr" = yes; then - AC_MSG_RESULT(${msg}no) - U=_ -else - AC_MSG_RESULT(${msg}yes) - AC_DEFINE(PROTOTYPES) - U= -fi -AC_SUBST(U) - AC_FUNC_ALLOCA dnl Check how to get `alloca'. dnl If the compiler supports union initialisation @@ -582,16 +564,6 @@ if test x$zsh_cv_c_have_union_init = xyes; then AC_DEFINE(HAVE_UNION_INIT) fi -dnl Checking if compiler correctly cast signed to unsigned. -AC_CACHE_CHECK(if signed to unsigned casting is broken, -zsh_cv_c_broken_signed_to_unsigned_casting, -[AC_RUN_IFELSE([AC_LANG_SOURCE([[main(){return((int)(unsigned char)((char) -1) == 255);}]])],[zsh_cv_c_broken_signed_to_unsigned_casting=yes],[zsh_cv_c_broken_signed_to_unsigned_casting=no],[zsh_cv_c_broken_signed_to_unsigned_casting=no])]) -AH_TEMPLATE([BROKEN_SIGNED_TO_UNSIGNED_CASTING], -[Define to 1 if compiler incorrectly cast signed to unsigned.]) -if test x$zsh_cv_c_broken_signed_to_unsigned_casting = xyes; then - AC_DEFINE(BROKEN_SIGNED_TO_UNSIGNED_CASTING) -fi - dnl Checking if the compiler supports variable-length arrays AC_CACHE_CHECK(if the compiler supports variable-length arrays, zsh_cv_c_variable_length_arrays, @@ -633,7 +605,12 @@ fi if test x"$TEXI2HTML" = xtexi2any; then TEXI2HTML='texi2any -c TEXI2HTML=1' + case `texi2any --version 2>/dev/null | sed -e 's/^.*) *//' -e 1q` in + [[1-6]].*) SET_TEXI2ANY_VAR=set_from_init_file ;; + *) SET_TEXI2ANY_VAR=texinfo_set_from_init_file ;; + esac fi +AC_SUBST(SET_TEXI2ANY_VAR) case "$LC_PAPER" in ??_US*) PAPERSIZE=us ;; @@ -641,18 +618,6 @@ case "$LC_PAPER" in esac AC_SUBST(PAPERSIZE) -AC_CHECK_PROGS([ANSI2KNR], [ansi2knr], [: ansi2knr]) - -if test x"$ansi2knr" = xyes && test x"$ANSI2KNR" = x": ansi2knr"; then - echo "----------" - echo "configure fatal error:" - echo "ansi2knr was specified (--enable-ansi2knr) but the program could not be found." - echo "Either remove the configure option if it is not required or build the ansi2knr" - echo "program before reconfiguring Zsh. The source code for ansi2knr is also" - echo "available in the GPL directory on Zsh distribution sites." - exit 1 -fi - dnl ------------------ dnl CHECK HEADER FILES dnl ------------------ @@ -660,16 +625,12 @@ AC_HEADER_DIRENT AC_HEADER_STAT AC_HEADER_SYS_WAIT -oldcflags="$CFLAGS" -if test x$enable_pcre = xyes; then -AC_CHECK_PROG([PCRECONF], pcre-config, pcre-config) -dnl Typically (meaning on this single RedHat 9 box in front of me) -dnl pcre-config --cflags produces a -I output which needs to go into +dnl pcre2-config --cflags may produce a -I output which needs to go into dnl CPPFLAGS else configure's preprocessor tests don't pick it up, dnl producing a warning. -if test "x$ac_cv_prog_PCRECONF" = xpcre-config; then - CPPFLAGS="$CPPFLAGS `pcre-config --cflags`" -fi +if test "x$enable_pcre" = xyes; then + CPPFLAGS="`$PCRE_CONFIG --cflags` $CPPFLAGS" + AC_CHECK_HEADERS([pcre2.h],,,[#define PCRE2_CODE_UNIT_WIDTH 8]) fi AC_CHECK_HEADERS(sys/time.h sys/times.h sys/select.h termcap.h termio.h \ @@ -678,7 +639,7 @@ AC_CHECK_HEADERS(sys/time.h sys/times.h sys/select.h termcap.h termio.h \ locale.h errno.h stdio.h stdarg.h varargs.h stdlib.h \ unistd.h sys/capability.h \ utmp.h utmpx.h sys/types.h pwd.h grp.h poll.h sys/mman.h \ - netinet/in_systm.h pcre.h langinfo.h wchar.h stddef.h \ + netinet/in_systm.h langinfo.h wchar.h stddef.h \ sys/stropts.h iconv.h ncurses.h ncursesw/ncurses.h \ ncurses/ncurses.h) if test x$dynamic = xyes; then @@ -957,12 +918,6 @@ if test "x$ac_found_iconv" = "xyes"; then [Define as const if the declaration of iconv() needs const.]) fi -if test x$enable_pcre = xyes; then -dnl pcre-config should probably be employed here -dnl AC_SEARCH_LIBS(pcre_compile, pcre) - LIBS="`$ac_cv_prog_PCRECONF --libs` $LIBS" -fi - dnl --------------------- dnl CHECK TERMCAP LIBRARY dnl --------------------- @@ -1046,7 +1001,7 @@ else [AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include <sys/types.h> -main() { return sizeof(off_t) < 8; } +int main() { return sizeof(off_t) < 8; } ]])],[zsh_cv_off_t_is_64_bit=yes],[zsh_cv_off_t_is_64_bit=no],[zsh_cv_off_t_is_64_bit=no])]) if test x$zsh_cv_off_t_is_64_bit = xyes; then AC_DEFINE(OFF_T_IS_64_BIT) @@ -1056,7 +1011,7 @@ main() { return sizeof(off_t) < 8; } [AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include <sys/types.h> -main() { return sizeof(ino_t) < 8; } +int main() { return sizeof(ino_t) < 8; } ]])],[zsh_cv_ino_t_is_64_bit=yes],[zsh_cv_ino_t_is_64_bit=no],[zsh_cv_ino_t_is_64_bit=no])]) if test x$zsh_cv_ino_t_is_64_bit = xyes; then AC_DEFINE(INO_T_IS_64_BIT) @@ -1299,10 +1254,11 @@ AC_CHECK_FUNCS(strftime strptime mktime timelocal \ select poll \ readlink faccessx fchdir ftruncate \ fstat lstat lchown fchown fchmod \ - fseeko ftello \ + fpurge fseeko ftello \ mkfifo _mktemp mkstemp \ waitpid wait3 \ sigaction sigblock sighold sigrelse sigsetmask sigprocmask \ + sigqueue \ killpg setpgid setpgrp tcsetpgrp tcgetattr nice \ gethostname gethostbyname2 getipnodebyname \ inet_aton inet_pton inet_ntop \ @@ -1323,7 +1279,6 @@ AC_CHECK_FUNCS(strftime strptime mktime timelocal \ pathconf sysconf \ tgetent tigetflag tigetnum tigetstr setupterm initscr resize_term \ getcchar setcchar waddwstr wget_wch win_wch use_default_colors \ - pcre_compile pcre_study pcre_exec \ nl_langinfo \ erand48 open_memstream \ posix_openpt \ @@ -1369,7 +1324,7 @@ zsh_cv_func_realpath_accepts_null, #include <stdlib.h> #include <limits.h> ],[ -exit(!realpath("/", (char*)0)); +return(!realpath("/", (char*)0)); ])], [zsh_cv_func_realpath_accepts_null=yes], [zsh_cv_func_realpath_accepts_null=no], @@ -1378,6 +1333,11 @@ if test x$zsh_cv_func_realpath_accepts_null = xyes; then AC_DEFINE(REALPATH_ACCEPTS_NULL) fi +if test x$enable_pcre = xyes; then + LIBS="`$PCRE_CONFIG --libs8` $LIBS" + AC_CHECK_FUNCS(pcre2_compile_8) +fi + if test x$enable_cap = xyes; then AC_CHECK_FUNCS(cap_get_proc) fi @@ -1393,10 +1353,9 @@ AC_CACHE_CHECK(if tgetent accepts NULL, zsh_cv_func_tgetent_accepts_null, [AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include <fcntl.h> -#include <stdlib.h> int tgetent(char *, char *); char *tgetstr(char *, char **); -main() +int main() { char buf[4096]; int r1 = tgetent(buf, "vt100"); @@ -1407,7 +1366,7 @@ main() tgetstr("cl", &u); creat("conftest.tgetent", 0640); } - exit((r1 != r2) || r2 == -1); + return((r1 != r2) || r2 == -1); } ]])],[if test -f conftest.tgetent; then zsh_cv_func_tgetent_accepts_null=yes @@ -1421,10 +1380,9 @@ AC_CACHE_CHECK(if tgetent returns 0 on success, zsh_cv_func_tgetent_zero_success, [AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include <fcntl.h> -#include <stdlib.h> int tgetent(char *, char*); char *tgetstr(char *, char **); -main() +int main() { char buf[4096]; int r1 = tgetent(buf, "!@#$%^&*"); @@ -1435,7 +1393,7 @@ main() tgetstr("cl", &u); creat("conftest.tgetent0", 0640); } - exit(r1 == r2); + return(r1 == r2); } ]])],[if test -f conftest.tgetent0; then zsh_cv_func_tgetent_zero_success=yes @@ -1515,6 +1473,14 @@ else zsh_cv_use_xattr=no fi]) +dnl We don't want to use setenv(3) on El Capitan or older OS X because it +dnl removes a leading '=' from the value of the environment variable +AH_TEMPLATE([SETENV_MANGLES_EQUAL], +[Define to 1 if setenv removes a leading =]) +case $host_os in + darwin1[0-5]*) AC_DEFINE(SETENV_MANGLES_EQUAL) ;; +esac + dnl ------------- dnl CHECK SIGNALS dnl ------------- @@ -1761,27 +1727,27 @@ if test x$zsh_cv_path_term_header != xnone; then fi AC_MSG_CHECKING(if boolcodes is available) - AC_LINK_IFELSE([AC_LANG_PROGRAM([[$term_includes]], [[char **test = boolcodes; puts(*test);]])],[AC_DEFINE(HAVE_BOOLCODES) boolcodes=yes],[boolcodes=no]) + AC_LINK_IFELSE([AC_LANG_PROGRAM([[$term_includes]], [[char **test = (char **)boolcodes; puts(*test);]])],[AC_DEFINE(HAVE_BOOLCODES) boolcodes=yes],[boolcodes=no]) AC_MSG_RESULT($boolcodes) AC_MSG_CHECKING(if numcodes is available) - AC_LINK_IFELSE([AC_LANG_PROGRAM([[$term_includes]], [[char **test = numcodes; puts(*test);]])],[AC_DEFINE(HAVE_NUMCODES) numcodes=yes],[numcodes=no]) + AC_LINK_IFELSE([AC_LANG_PROGRAM([[$term_includes]], [[char **test = (char **)numcodes; puts(*test);]])],[AC_DEFINE(HAVE_NUMCODES) numcodes=yes],[numcodes=no]) AC_MSG_RESULT($numcodes) AC_MSG_CHECKING(if strcodes is available) - AC_LINK_IFELSE([AC_LANG_PROGRAM([[$term_includes]], [[char **test = strcodes; puts(*test);]])],[AC_DEFINE(HAVE_STRCODES) strcodes=yes],[strcodes=no]) + AC_LINK_IFELSE([AC_LANG_PROGRAM([[$term_includes]], [[char **test = (char **)strcodes; puts(*test);]])],[AC_DEFINE(HAVE_STRCODES) strcodes=yes],[strcodes=no]) AC_MSG_RESULT($strcodes) AC_MSG_CHECKING(if boolnames is available) - AC_LINK_IFELSE([AC_LANG_PROGRAM([[$term_includes]], [[char **test = boolnames; puts(*test);]])],[AC_DEFINE(HAVE_BOOLNAMES) boolnames=yes],[boolnames=no]) + AC_LINK_IFELSE([AC_LANG_PROGRAM([[$term_includes]], [[char **test = (char **)boolnames; puts(*test);]])],[AC_DEFINE(HAVE_BOOLNAMES) boolnames=yes],[boolnames=no]) AC_MSG_RESULT($boolnames) AC_MSG_CHECKING(if numnames is available) - AC_LINK_IFELSE([AC_LANG_PROGRAM([[$term_includes]], [[char **test = numnames; puts(*test);]])],[AC_DEFINE(HAVE_NUMNAMES) numnames=yes],[numnames=no]) + AC_LINK_IFELSE([AC_LANG_PROGRAM([[$term_includes]], [[char **test = (char **)numnames; puts(*test);]])],[AC_DEFINE(HAVE_NUMNAMES) numnames=yes],[numnames=no]) AC_MSG_RESULT($numnames) AC_MSG_CHECKING(if strnames is available) - AC_LINK_IFELSE([AC_LANG_PROGRAM([[$term_includes]], [[char **test = strnames; puts(*test);]])],[AC_DEFINE(HAVE_STRNAMES) strnames=yes],[strnames=no]) + AC_LINK_IFELSE([AC_LANG_PROGRAM([[$term_includes]], [[char **test = (char **)strnames; puts(*test);]])],[AC_DEFINE(HAVE_STRNAMES) strnames=yes],[strnames=no]) AC_MSG_RESULT($strnames) dnl There are apparently defective terminal library headers on some @@ -1861,8 +1827,7 @@ zsh_cv_rlim_t_is_longer, #include <sys/time.h> #endif #include <sys/resource.h> -#include <stdlib.h> -main(){struct rlimit r;exit(sizeof(r.rlim_cur) <= sizeof(long));}]])],[zsh_cv_rlim_t_is_longer=yes],[zsh_cv_rlim_t_is_longer=no],[zsh_cv_rlim_t_is_longer=yes])]) +int main(){struct rlimit r;return(sizeof(r.rlim_cur) <= sizeof(long));}]])],[zsh_cv_rlim_t_is_longer=yes],[zsh_cv_rlim_t_is_longer=no],[zsh_cv_rlim_t_is_longer=yes])]) if test x$zsh_cv_rlim_t_is_longer = xyes; then AC_CACHE_CHECK(if rlim_t is a quad, zsh_cv_rlim_t_is_quad_t, @@ -1872,13 +1837,12 @@ if test x$zsh_cv_rlim_t_is_longer = xyes; then #endif #include <stdio.h> #include <sys/resource.h> -#include <stdlib.h> -main() { +int main() { struct rlimit r; char buf[20]; r.rlim_cur = 0; sprintf(buf, "%qd", r.rlim_cur); - exit(strcmp(buf, "0")); + return(strcmp(buf, "0")); }]])],[zsh_cv_rlim_t_is_quad_t=yes],[zsh_cv_rlim_t_is_quad_t=no],[zsh_cv_rlim_t_is_quad_t=no])]) if test x$zsh_cv_rlim_t_is_quad_t = xyes; then AC_DEFINE(RLIM_T_IS_QUAD_T) @@ -1895,8 +1859,7 @@ else #include <sys/time.h> #endif #include <sys/resource.h> -#include <stdlib.h> - main(){struct rlimit r;r.rlim_cur=-1;exit(r.rlim_cur<0);}]])],[zsh_cv_type_rlim_t_is_unsigned=yes],[zsh_cv_type_rlim_t_is_unsigned=no],[zsh_cv_type_rlim_t_is_unsigned=no])]) + int main(){struct rlimit r;r.rlim_cur=-1;return(r.rlim_cur<0);}]])],[zsh_cv_type_rlim_t_is_unsigned=yes],[zsh_cv_type_rlim_t_is_unsigned=no],[zsh_cv_type_rlim_t_is_unsigned=no])]) if test x$zsh_cv_type_rlim_t_is_unsigned = xyes; then AC_DEFINE(RLIM_T_IS_UNSIGNED) DEFAULT_RLIM_T="unsigned $DEFAULT_RLIM_T" @@ -1972,6 +1935,15 @@ if test x$ac_cv_func_getrusage = xyes; then #endif #include <sys/resource.h>]) fi +dnl On some OSes (only macOS?) ru_maxrss is in bytes (not in kilobytes). +dnl Solaris uses pages as the unit, but ru_maxrss is set to zero anyway. +AH_TEMPLATE(RU_MAXRSS_IS_IN_BYTES, +[Define to 1 if ru_maxrss in struct rusage is in bytes.]) +case "$host_os" in + darwin*) + AC_DEFINE(RU_MAXRSS_IS_IN_BYTES) + ;; +esac dnl -------------------------------------------- @@ -2003,12 +1975,31 @@ AH_TEMPLATE([PATH_DEV_FD], [Define to the path of the /dev/fd filesystem.]) AC_CACHE_CHECK(for /dev/fd filesystem, zsh_cv_sys_path_dev_fd, [for zsh_cv_sys_path_dev_fd in /proc/self/fd /dev/fd no; do - test x`echo ok|(exec 3<&0; cat $zsh_cv_sys_path_dev_fd/3 2>/dev/null;)` = xok && break + (exec 3<&0; test -e $zsh_cv_sys_path_dev_fd/3;) && break done]) if test x$zsh_cv_sys_path_dev_fd != xno; then AC_DEFINE_UNQUOTED(PATH_DEV_FD, "$zsh_cv_sys_path_dev_fd") fi +dnl ---------------------------------------------------- +dnl CHECK FOR SYMLINK TO THE CURRENT EXECUTABLE IN /proc +dnl ---------------------------------------------------- +dnl Linux: /proc/self/exe +dnl NetBSD: /proc/curproc/exe (or /proc/self/exe, but not /proc/curproc/file) +dnl DragonFly: /proc/curproc/file +dnl Solaris: /proc/self/path/a.out +AH_TEMPLATE([PROC_SELF_EXE], +[Define to the path of the symlink to the current executable file.]) +AC_CACHE_CHECK(for symlink to the current executable in /proc, +zsh_cv_proc_self_exe, +[for zsh_cv_proc_self_exe in /proc/self/exe /proc/curproc/exe \ + /proc/curproc/file /proc/self/path/a.out no; do + test -L $zsh_cv_proc_self_exe && break +done]) +if test x$zsh_cv_proc_self_exe != xno; then + AC_DEFINE_UNQUOTED(PROC_SELF_EXE, "$zsh_cv_proc_self_exe") +fi + dnl --------------------------------- dnl CHECK FOR RFS SUPERROOT DIRECTORY dnl --------------------------------- @@ -2179,9 +2170,8 @@ zsh_cv_sys_fifo, #include <fcntl.h> #include <signal.h> #include <unistd.h> -#include <stdlib.h> #include <sys/stat.h> -main() +int main() { char c; int fd; @@ -2192,18 +2182,18 @@ main() #else if(mknod("/tmp/fifo$$", 0010600, 0) < 0) #endif - exit(1); + return(1); pid = fork(); if(pid < 0) - exit(1); + return(1); if(pid) { fd = open("/tmp/fifo$$", O_RDONLY); - exit(fd < 0 || read(fd, &c, 1) != 1 || c != 'x'); + return(fd < 0 || read(fd, &c, 1) != 1 || c != 'x'); } fd = open("/tmp/fifo$$", O_WRONLY); ret = (fd < 0 || write(fd, "x", 1) < 1); unlink("/tmp/fifo$$"); - exit(ret); + return(ret); } ]])],[zsh_cv_sys_fifo=yes],[zsh_cv_sys_fifo=no],[zsh_cv_sys_fifo=yes]) ]) @@ -2281,8 +2271,7 @@ zsh_cv_sys_link, [AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include <unistd.h> #include <fcntl.h> -#include <stdlib.h> -main() +int main() { int ret; char *tmpfile, *newfile; @@ -2291,11 +2280,11 @@ main() unlink(tmpfile); unlink(newfile); if(creat(tmpfile, 0644) < 0) - exit(1); + return(1); ret = link(tmpfile, newfile); unlink(tmpfile); unlink(newfile); - exit(ret<0); + return(ret<0); } ]])],[zsh_cv_sys_link=yes],[zsh_cv_sys_link=no],[zsh_cv_sys_link=yes])]) AH_TEMPLATE([HAVE_LINK], @@ -2314,12 +2303,11 @@ zsh_cv_sys_killesrch, #include <unistd.h> #include <signal.h> #include <errno.h> -#include <stdlib.h> -main() +int main() { int pid = (getpid() + 10000) & 0xffffff; while (pid && (kill(pid, 0) == 0 || errno != ESRCH)) pid >>= 1; - exit(errno!=ESRCH); + return(errno!=ESRCH); } ]])],[zsh_cv_sys_killesrch=yes],[zsh_cv_sys_killesrch=no],[zsh_cv_sys_killesrch=yes])]) AH_TEMPLATE([BROKEN_KILL_ESRCH], @@ -2340,12 +2328,11 @@ if test x$signals_style = xPOSIX_SIGNALS; then [AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include <signal.h> #include <unistd.h> -#include <stdlib.h> int child=0; void handler(sig) int sig; {if(sig==SIGCHLD) child=1;} -main() { +int main() { struct sigaction act; sigset_t set; int pid, ret; @@ -2360,7 +2347,7 @@ main() { if(pid>0) { sigemptyset(&set); ret=sigsuspend(&set); - exit(child==0); + return(child==0); } } ]])],[zsh_cv_sys_sigsuspend=yes],[zsh_cv_sys_sigsuspend=no],[zsh_cv_sys_sigsuspend=yes])]) @@ -2392,15 +2379,14 @@ case "x$zsh_working_tcsetpgrp" in #include <sys/types.h> #include <unistd.h> #include <fcntl.h> -#include <stdlib.h> -main() { +int main() { int fd; int ret; fd=open("/dev/tty", O_RDWR); - if (fd < 0) exit(2); + if (fd < 0) return(2); ret=tcsetpgrp(fd, tcgetpgrp(fd)); - if (ret < 0) exit(1); - exit(0); + if (ret < 0) return(1); + return(0); } ]])],[zsh_cv_sys_tcsetpgrp=yes],[ case $? in @@ -2440,7 +2426,7 @@ if test x$ac_cv_func_getpwnam = xyes; then #include <string.h> #include <stdlib.h> #include <unistd.h> -main() { +int main() { struct passwd *pw1, *pw2; char buf[1024], name[1024]; sprintf(buf, "%d:%d", getpid(), rand()); @@ -2448,7 +2434,7 @@ main() { if (pw1) strcpy(name, pw1->pw_name); sprintf(buf, "%d:%d", rand(), getpid()); pw2=getpwnam(buf); - exit(pw1!=0 && pw2!=0 && !strcmp(name, pw2->pw_name)); + return(pw1!=0 && pw2!=0 && !strcmp(name, pw2->pw_name)); } ]])],[zsh_cv_sys_getpwnam_faked=no],[zsh_cv_sys_getpwnam_faked=yes],[zsh_cv_sys_getpwnam_faked=no])]) if test x$zsh_cv_sys_getpwnam_faked = xyes; then @@ -2767,20 +2753,17 @@ elif test "x$dynamic" = xyes; then zsh_cv_sys_elf, [AC_RUN_IFELSE([AC_LANG_SOURCE([[/* Test for whether ELF binaries are produced */ #include <fcntl.h> -#include <stdlib.h> #include <unistd.h> -main(argc, argv) -int argc; -char *argv[]; +int main(int argc, char *argv[]) { char b[4]; int i = open(argv[0],O_RDONLY); if(i == -1) - exit(1); /* fail */ + return(1); /* fail */ if(read(i,b,4)==4 && b[0]==127 && b[1]=='E' && b[2]=='L' && b[3]=='F') - exit(0); /* succeed (yes, it's ELF) */ + return(0); /* succeed (yes, it's ELF) */ else - exit(1); /* fail */ + return(1); /* fail */ }]])],[zsh_cv_sys_elf=yes],[zsh_cv_sys_elf=no],[zsh_cv_sys_elf=yes])]) # We use [0-9]* in case statements, so need to change quoting @@ -2916,13 +2899,12 @@ LDFLAGS="$old_LDFLAGS") AC_CACHE_CHECK(if your dlsym() needs a leading underscore, zsh_cv_func_dlsym_needs_underscore, [echo failed >conftestval && cat >conftest.c <<EOM -fred () { } +void fred () { } EOM AC_TRY_COMMAND($CC -c $CFLAGS $CPPFLAGS $DLCFLAGS conftest.c 1>&AS_MESSAGE_LOG_FD) && AC_TRY_COMMAND($DLLD $LDFLAGS $DLLDFLAGS -o conftest.$DL_EXT conftest.o 1>&AS_MESSAGE_LOG_FD) && AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include <stdio.h> -#include <stdlib.h> #ifdef HPUX10DYNAMIC #include <dl.h> #define RTLD_LAZY BIND_DEFERRED @@ -2949,16 +2931,16 @@ char *zsh_gl_sym_addr ; extern int fred() ; -main() +int main() { void * handle ; void * symbol ; FILE *f=fopen("conftestval", "w"); - if (!f) exit(1); + if (!f) return(1); handle = dlopen("./conftest.$DL_EXT", RTLD_LAZY) ; if (handle == NULL) { fprintf (f, "dlopen failed") ; - exit(1); + return(1); } symbol = dlsym(handle, "fred") ; if (symbol == NULL) { @@ -2966,13 +2948,13 @@ main() symbol = dlsym(handle, "_fred") ; if (symbol == NULL) { fprintf (f, "dlsym failed") ; - exit(1); + return(1); } fprintf (f, "yes") ; } else fprintf (f, "no") ; - exit(0); + return(0); }]])],[zsh_cv_func_dlsym_needs_underscore=`cat conftestval`],[zsh_cv_func_dlsym_needs_underscore=failed dynamic=no],[zsh_cv_func_dlsym_needs_underscore=no])]) if test "x$zsh_cv_func_dlsym_needs_underscore" = xyes; then |