diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 594 |
1 files changed, 373 insertions, 221 deletions
diff --git a/configure.ac b/configure.ac index 8bb0f44b48..fd22d41b2f 100644 --- a/configure.ac +++ b/configure.ac @@ -1,65 +1,68 @@ # -*- Autoconf -*- # Process this file with autoconf to produce a configure script. -AC_PREREQ(2.59) -AC_INIT([git], [@@GIT_VERSION@@], [git@vger.kernel.org]) - -AC_CONFIG_SRCDIR([git.c]) - -config_file=config.mak.autogen -config_append=config.mak.append -config_in=config.mak.in +## Definitions of private macros. + +# GIT_CONF_SUBST(VAL, VAR) +# ------------------------ +# Cause the line "VAR=VAL" to be eventually appended to ${config_file}. +AC_DEFUN([GIT_CONF_SUBST], +[AC_REQUIRE([GIT_CONF_SUBST_INIT]) +config_appended_defs="$config_appended_defs${newline}dnl +$1=m4_if([$#],[1],[${$1}],[$2])"]) + +# GIT_CONF_SUBST_INIT +# ------------------- +# Prepare shell variables and autoconf machine required by later calls +# to GIT_CONF_SUBST. +AC_DEFUN([GIT_CONF_SUBST_INIT], + [config_appended_defs=; newline=' +' + AC_CONFIG_COMMANDS([$config_file], + [echo "$config_appended_defs" >> "$config_file"], + [config_file=$config_file + config_appended_defs="$config_appended_defs"])]) -echo "# ${config_append}. Generated by configure." > "${config_append}" - - -## Definitions of macros -# GIT_CONF_APPEND_LINE(LINE) -# -------------------------- -# Append LINE to file ${config_append} -AC_DEFUN([GIT_CONF_APPEND_LINE], -[echo "$1" >> "${config_append}"])# GIT_CONF_APPEND_LINE -# # GIT_ARG_SET_PATH(PROGRAM) # ------------------------- # Provide --with-PROGRAM=PATH option to set PATH to PROGRAM # Optional second argument allows setting NO_PROGRAM=YesPlease if # --without-PROGRAM version used. AC_DEFUN([GIT_ARG_SET_PATH], -[AC_ARG_WITH([$1], - [AS_HELP_STRING([--with-$1=PATH], - [provide PATH to $1])], - [GIT_CONF_APPEND_PATH($1,$2)],[]) -])# GIT_ARG_SET_PATH -# + [AC_ARG_WITH([$1], + [AS_HELP_STRING([--with-$1=PATH], + [provide PATH to $1])], + [GIT_CONF_APPEND_PATH([$1], [$2])], + [])]) + # GIT_CONF_APPEND_PATH(PROGRAM) -# ------------------------------ +# ----------------------------- # Parse --with-PROGRAM=PATH option to set PROGRAM_PATH=PATH # Used by GIT_ARG_SET_PATH(PROGRAM) # Optional second argument allows setting NO_PROGRAM=YesPlease if # --without-PROGRAM is used. AC_DEFUN([GIT_CONF_APPEND_PATH], -[PROGRAM=m4_toupper($1); \ -if test "$withval" = "no"; then \ - if test -n "$2"; then \ - m4_toupper($1)_PATH=$withval; \ - AC_MSG_NOTICE([Disabling use of ${PROGRAM}]); \ - GIT_CONF_APPEND_LINE(NO_${PROGRAM}=YesPlease); \ - GIT_CONF_APPEND_LINE(${PROGRAM}_PATH=); \ - else \ - AC_MSG_ERROR([You cannot use git without $1]); \ - fi; \ -else \ - if test "$withval" = "yes"; then \ - AC_MSG_WARN([You should provide path for --with-$1=PATH]); \ - else \ - m4_toupper($1)_PATH=$withval; \ - AC_MSG_NOTICE([Setting m4_toupper($1)_PATH to $withval]); \ - GIT_CONF_APPEND_LINE(${PROGRAM}_PATH=$withval); \ - fi; \ -fi; \ -]) # GIT_CONF_APPEND_PATH -# + [m4_pushdef([GIT_UC_PROGRAM], m4_toupper([$1]))dnl + if test "$withval" = "no"; then + if test -n "$2"; then + GIT_UC_PROGRAM[]_PATH=$withval + AC_MSG_NOTICE([Disabling use of GIT_UC_PROGRAM]) + GIT_CONF_SUBST([NO_]GIT_UC_PROGRAM, [YesPlease]) + GIT_CONF_SUBST(GIT_UC_PROGRAM[]_PATH, []) + else + AC_MSG_ERROR([You cannot use git without $1]) + fi + else + if test "$withval" = "yes"; then + AC_MSG_WARN([You should provide path for --with-$1=PATH]) + else + GIT_UC_PROGRAM[]_PATH=$withval + AC_MSG_NOTICE([Setting GIT_UC_PROGRAM[]_PATH to $withval]) + GIT_CONF_SUBST(GIT_UC_PROGRAM[]_PATH, [$withval]) + fi + fi + m4_popdef([GIT_UC_PROGRAM])]) + # GIT_PARSE_WITH(PACKAGE) # ----------------------- # For use in AC_ARG_WITH action-if-found, for packages default ON. @@ -67,21 +70,21 @@ fi; \ # * Set PACKAGEDIR=PATH for --with-PACKAGE=PATH # * Unset NO_PACKAGE for --with-PACKAGE without ARG AC_DEFUN([GIT_PARSE_WITH], -[PACKAGE=m4_toupper($1); \ -if test "$withval" = "no"; then \ - m4_toupper(NO_$1)=YesPlease; \ -elif test "$withval" = "yes"; then \ - m4_toupper(NO_$1)=; \ -else \ - m4_toupper(NO_$1)=; \ - m4_toupper($1)DIR=$withval; \ - AC_MSG_NOTICE([Setting m4_toupper($1)DIR to $withval]); \ - GIT_CONF_APPEND_LINE(${PACKAGE}DIR=$withval); \ -fi \ -])# GIT_PARSE_WITH -# + [m4_pushdef([GIT_UC_PACKAGE], m4_toupper([$1]))dnl + if test "$withval" = "no"; then + NO_[]GIT_UC_PACKAGE=YesPlease + elif test "$withval" = "yes"; then + NO_[]GIT_UC_PACKAGE= + else + NO_[]GIT_UC_PACKAGE= + GIT_UC_PACKAGE[]DIR=$withval + AC_MSG_NOTICE([Setting GIT_UC_PACKAGE[]DIR to $withval]) + GIT_CONF_SUBST(GIT_UC_PACKAGE[DIR], [$withval]) + fi + m4_popdef([GIT_UC_PACKAGE])]) + # GIT_PARSE_WITH_SET_MAKE_VAR(WITHNAME, VAR, HELP_TEXT) -# --------------------- +# ----------------------------------------------------- # Set VAR to the value specied by --with-WITHNAME. # No verification of arguments is performed, but warnings are issued # if either 'yes' or 'no' is specified. @@ -90,33 +93,32 @@ fi \ AC_DEFUN([GIT_PARSE_WITH_SET_MAKE_VAR], [AC_ARG_WITH([$1], [AS_HELP_STRING([--with-$1=VALUE], $3)], - if test -n "$withval"; then \ - if test "$withval" = "yes" -o "$withval" = "no"; then \ + if test -n "$withval"; then + if test "$withval" = "yes" -o "$withval" = "no"; then AC_MSG_WARN([You likely do not want either 'yes' or 'no' as] - [a value for $1 ($2). Maybe you do...?]); \ - fi; \ - \ - AC_MSG_NOTICE([Setting $2 to $withval]); \ - GIT_CONF_APPEND_LINE($2=$withval); \ + [a value for $1 ($2). Maybe you do...?]) + fi + AC_MSG_NOTICE([Setting $2 to $withval]) + GIT_CONF_SUBST([$2], [$withval]) fi)])# GIT_PARSE_WITH_SET_MAKE_VAR -dnl -dnl GIT_CHECK_FUNC(FUNCTION, IFTRUE, IFFALSE) -dnl ----------------------------------------- -dnl Similar to AC_CHECK_FUNC, but on systems that do not generate -dnl warnings for missing prototypes (e.g. FreeBSD when compiling without -dnl -Wall), it does not work. By looking for function definition in -dnl libraries, this problem can be worked around. +# +# GIT_CHECK_FUNC(FUNCTION, IFTRUE, IFFALSE) +# ----------------------------------------- +# Similar to AC_CHECK_FUNC, but on systems that do not generate +# warnings for missing prototypes (e.g. FreeBSD when compiling without +# -Wall), it does not work. By looking for function definition in +# libraries, this problem can be worked around. AC_DEFUN([GIT_CHECK_FUNC],[AC_CHECK_FUNC([$1],[ AC_SEARCH_LIBS([$1],, [$2],[$3]) ],[$3])]) -dnl -dnl GIT_STASH_FLAGS(BASEPATH_VAR) -dnl ----------------------------- -dnl Allow for easy stashing of LDFLAGS and CPPFLAGS before running -dnl tests that may want to take user settings into account. +# +# GIT_STASH_FLAGS(BASEPATH_VAR) +# ----------------------------- +# Allow for easy stashing of LDFLAGS and CPPFLAGS before running +# tests that may want to take user settings into account. AC_DEFUN([GIT_STASH_FLAGS],[ if test -n "$1"; then old_CPPFLAGS="$CPPFLAGS" @@ -137,6 +139,35 @@ if test -n "$1"; then fi ]) +## Configure body starts here. + +AC_PREREQ(2.59) +AC_INIT([git], [@@GIT_VERSION@@], [git@vger.kernel.org]) + +AC_CONFIG_SRCDIR([git.c]) + +config_file=config.mak.autogen +config_in=config.mak.in + +GIT_CONF_SUBST([AUTOCONFIGURED], [YesPlease]) + +# Directories holding "saner" versions of common or POSIX binaries. +AC_ARG_WITH([sane-tool-path], + [AS_HELP_STRING( + [--with-sane-tool-path=DIR-1[[:DIR-2...:DIR-n]]], + [Directories to prepend to PATH in build system and generated scripts])], + [if test "$withval" = "no"; then + withval='' + else + AC_MSG_NOTICE([Setting SANE_TOOL_PATH to '$withval']) + fi + GIT_CONF_SUBST([SANE_TOOL_PATH], [$withval])], + [# If the "--with-sane-tool-path" option was not given, don't touch + # SANE_TOOL_PATH here, but let defaults in Makefile take care of it. + # This should minimize spurious differences in the behaviour of the + # Git build system when configure is used w.r.t. when it is not. + :]) + ## Site configuration related to programs (before tests) ## --with-PACKAGE[=ARG] and --without-PACKAGE # @@ -144,14 +175,13 @@ fi AC_ARG_WITH([lib], [AS_HELP_STRING([--with-lib=ARG], [ARG specifies alternative name for lib directory])], - [if test "$withval" = "no" || test "$withval" = "yes"; then \ - AC_MSG_WARN([You should provide name for --with-lib=ARG]); \ -else \ - lib=$withval; \ - AC_MSG_NOTICE([Setting lib to '$lib']); \ - GIT_CONF_APPEND_LINE(lib=$withval); \ -fi; \ -],[]) + [if test "$withval" = "no" || test "$withval" = "yes"; then + AC_MSG_WARN([You should provide name for --with-lib=ARG]) + else + lib=$withval + AC_MSG_NOTICE([Setting lib to '$lib']) + GIT_CONF_SUBST([lib]) + fi]) if test -z "$lib"; then AC_MSG_NOTICE([Setting lib to 'lib' (the default)]) @@ -163,7 +193,7 @@ AC_ARG_ENABLE([pthreads], [FLAGS is the value to pass to the compiler to enable POSIX Threads.] [The default if FLAGS is not specified is to try first -pthread] [and then -lpthread.] - [--without-pthreads will disable threading.])], + [--disable-pthreads will disable threading.])], [ if test "x$enableval" = "xyes"; then AC_MSG_NOTICE([Will try -pthread then -lpthread to enable POSIX Threads]) @@ -186,7 +216,7 @@ AC_ARG_ENABLE([jsmin], [ JSMIN=$enableval; AC_MSG_NOTICE([Setting JSMIN to '$JSMIN' to enable JavaScript minifying]) - GIT_CONF_APPEND_LINE(JSMIN=$enableval); + GIT_CONF_SUBST([JSMIN]) ]) # Define option to enable CSS minification @@ -196,7 +226,7 @@ AC_ARG_ENABLE([cssmin], [ CSSMIN=$enableval; AC_MSG_NOTICE([Setting CSSMIN to '$CSSMIN' to enable CSS minifying]) - GIT_CONF_APPEND_LINE(CSSMIN=$enableval); + GIT_CONF_SUBST([CSSMIN]) ]) ## Site configuration (override autodetection) @@ -217,9 +247,9 @@ AC_MSG_NOTICE([CHECKS for site configuration]) # /foo/bar/include and /foo/bar/lib directories. AC_ARG_WITH(openssl, AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)]) -AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]),\ -GIT_PARSE_WITH(openssl)) -# +AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]), +GIT_PARSE_WITH([openssl])) + # Define USE_LIBPCRE if you have and want to use libpcre. git-grep will be # able to use Perl-compatible regular expressions. # @@ -229,17 +259,26 @@ GIT_PARSE_WITH(openssl)) AC_ARG_WITH(libpcre, AS_HELP_STRING([--with-libpcre],[support Perl-compatible regexes (default is NO)]) AS_HELP_STRING([], [ARG can be also prefix for libpcre library and headers]), -if test "$withval" = "no"; then \ - USE_LIBPCRE=; \ -elif test "$withval" = "yes"; then \ - USE_LIBPCRE=YesPlease; \ -else - USE_LIBPCRE=YesPlease; \ - LIBPCREDIR=$withval; \ - AC_MSG_NOTICE([Setting LIBPCREDIR to $withval]); \ - GIT_CONF_APPEND_LINE(LIBPCREDIR=$withval); \ -fi \ -) + if test "$withval" = "no"; then + USE_LIBPCRE= + elif test "$withval" = "yes"; then + USE_LIBPCRE=YesPlease + else + USE_LIBPCRE=YesPlease + LIBPCREDIR=$withval + AC_MSG_NOTICE([Setting LIBPCREDIR to $LIBPCREDIR]) + dnl USE_LIBPCRE can still be modified below, so don't substitute + dnl it yet. + GIT_CONF_SUBST([LIBPCREDIR]) + fi) +# +# Define HAVE_ALLOCA_H if you have working alloca(3) defined in that header. +AC_FUNC_ALLOCA +case $ac_cv_working_alloca_h in + yes) HAVE_ALLOCA_H=YesPlease;; + *) HAVE_ALLOCA_H='';; +esac +GIT_CONF_SUBST([HAVE_ALLOCA_H]) # # Define NO_CURL if you do not have curl installed. git-http-pull and # git-http-push are not built, and you cannot use http:// and https:// @@ -347,7 +386,7 @@ AC_ARG_WITH(tcltk, AS_HELP_STRING([--with-tcltk],[use Tcl/Tk GUI (default is YES)]) AS_HELP_STRING([],[ARG is the full path to the Tcl/Tk interpreter.]) AS_HELP_STRING([],[Bare --with-tcltk will make the GUI part only if]) -AS_HELP_STRING([],[Tcl/Tk interpreter will be found in a system.]),\ +AS_HELP_STRING([],[Tcl/Tk interpreter will be found in a system.]), GIT_PARSE_WITH(tcltk)) # @@ -358,9 +397,10 @@ AC_MSG_NOTICE([CHECKS for programs]) AC_PROG_CC([cc gcc]) AC_C_INLINE case $ac_cv_c_inline in - inline | yes | no) ;; - *) AC_SUBST([INLINE], [$ac_cv_c_inline]) ;; + inline | yes | no) INLINE='';; + *) INLINE=$ac_cv_c_inline ;; esac +GIT_CONF_SUBST([INLINE]) # which switch to pass runtime path to dynamic libraries to the linker AC_CACHE_CHECK([if linker supports -R], git_cv_ld_dashr, [ @@ -370,7 +410,7 @@ AC_CACHE_CHECK([if linker supports -R], git_cv_ld_dashr, [ LDFLAGS="${SAVE_LDFLAGS}" ]) if test "$git_cv_ld_dashr" = "yes"; then - AC_SUBST(CC_LD_DYNPATH, [-R]) + CC_LD_DYNPATH=-R else AC_CACHE_CHECK([if linker supports -Wl,-rpath,], git_cv_ld_wl_rpath, [ SAVE_LDFLAGS="${LDFLAGS}" @@ -379,7 +419,7 @@ else LDFLAGS="${SAVE_LDFLAGS}" ]) if test "$git_cv_ld_wl_rpath" = "yes"; then - AC_SUBST(CC_LD_DYNPATH, [-Wl,-rpath,]) + CC_LD_DYNPATH=-Wl,-rpath, else AC_CACHE_CHECK([if linker supports -rpath], git_cv_ld_rpath, [ SAVE_LDFLAGS="${LDFLAGS}" @@ -388,52 +428,48 @@ else LDFLAGS="${SAVE_LDFLAGS}" ]) if test "$git_cv_ld_rpath" = "yes"; then - AC_SUBST(CC_LD_DYNPATH, [-rpath]) + CC_LD_DYNPATH=-rpath else + CC_LD_DYNPATH= AC_MSG_WARN([linker does not support runtime path to dynamic libraries]) fi fi fi +GIT_CONF_SUBST([CC_LD_DYNPATH]) #AC_PROG_INSTALL # needs install-sh or install.sh in sources AC_CHECK_TOOLS(AR, [gar ar], :) AC_CHECK_PROGS(TAR, [gtar tar]) AC_CHECK_PROGS(DIFF, [gnudiff gdiff diff]) # TCLTK_PATH will be set to some value if we want Tcl/Tk # or will be empty otherwise. -if test -z "$NO_TCLTK"; then +if test -n "$NO_TCLTK"; then + TCLTK_PATH= +else if test "$with_tcltk" = ""; then # No Tcl/Tk switches given. Do not check for Tcl/Tk, use bare 'wish'. TCLTK_PATH=wish - AC_SUBST(TCLTK_PATH) elif test "$with_tcltk" = "yes"; then # Tcl/Tk check requested. AC_CHECK_PROGS(TCLTK_PATH, [wish], ) else AC_MSG_RESULT([Using Tcl/Tk interpreter $with_tcltk]) TCLTK_PATH="$with_tcltk" - AC_SUBST(TCLTK_PATH) fi fi +GIT_CONF_SUBST([TCLTK_PATH]) AC_CHECK_PROGS(ASCIIDOC, [asciidoc]) if test -n "$ASCIIDOC"; then AC_MSG_CHECKING([for asciidoc version]) asciidoc_version=`$ASCIIDOC --version 2>/dev/null` case "${asciidoc_version}" in - asciidoc' '7*) - ASCIIDOC7=YesPlease - AC_MSG_RESULT([${asciidoc_version} > 7]) - ;; asciidoc' '8*) - ASCIIDOC7= AC_MSG_RESULT([${asciidoc_version}]) ;; *) - ASCIIDOC7= AC_MSG_RESULT([${asciidoc_version} (unknown)]) ;; esac fi -AC_SUBST(ASCIIDOC7) ## Checks for libraries. @@ -447,13 +483,13 @@ GIT_STASH_FLAGS($OPENSSLDIR) AC_CHECK_LIB([crypto], [SHA1_Init], [NEEDS_SSL_WITH_CRYPTO=], [AC_CHECK_LIB([ssl], [SHA1_Init], - [NEEDS_SSL_WITH_CRYPTO=YesPlease], - [NEEDS_SSL_WITH_CRYPTO= NO_OPENSSL=YesPlease])]) + [NEEDS_SSL_WITH_CRYPTO=YesPlease NO_OPENSSL=], + [NEEDS_SSL_WITH_CRYPTO= NO_OPENSSL=YesPlease])]) GIT_UNSTASH_FLAGS($OPENSSLDIR) -AC_SUBST(NEEDS_SSL_WITH_CRYPTO) -AC_SUBST(NO_OPENSSL) +GIT_CONF_SUBST([NEEDS_SSL_WITH_CRYPTO]) +GIT_CONF_SUBST([NO_OPENSSL]) # # Define USE_LIBPCRE if you have and want to use libpcre. git-grep will be @@ -470,7 +506,7 @@ AC_CHECK_LIB([pcre], [pcre_version], GIT_UNSTASH_FLAGS($LIBPCREDIR) -AC_SUBST(USE_LIBPCRE) +GIT_CONF_SUBST([USE_LIBPCRE]) fi @@ -485,9 +521,32 @@ AC_CHECK_LIB([curl], [curl_global_init], [NO_CURL=], [NO_CURL=YesPlease]) +if test -z "${NO_CURL}" && test -z "${NO_OPENSSL}"; then + +AC_CHECK_LIB([curl], [Curl_ssl_init], +[NEEDS_SSL_WITH_CURL=YesPlease], +[NEEDS_SSL_WITH_CURL=]) + +GIT_CONF_SUBST([NEEDS_SSL_WITH_CURL]) + +fi + GIT_UNSTASH_FLAGS($CURLDIR) -AC_SUBST(NO_CURL) +GIT_CONF_SUBST([NO_CURL]) + +if test -z "$NO_CURL"; then + +AC_CHECK_PROG([CURL_CONFIG], [curl-config], +[curl-config], +[no]) + +if test $CURL_CONFIG != no; then + GIT_CONF_SUBST([CURL_CONFIG]) +fi + +fi + # # Define NO_EXPAT if you do not have expat installed. git-http-push is @@ -501,7 +560,7 @@ AC_CHECK_LIB([expat], [XML_ParserCreate], GIT_UNSTASH_FLAGS($EXPATDIR) -AC_SUBST(NO_EXPAT) +GIT_CONF_SUBST([NO_EXPAT]) # # Define NEEDS_LIBICONV if linking with libc is not enough (Darwin and @@ -547,8 +606,8 @@ LIBS="$old_LIBS" GIT_UNSTASH_FLAGS($ICONVDIR) -AC_SUBST(NEEDS_LIBICONV) -AC_SUBST(NO_ICONV) +GIT_CONF_SUBST([NEEDS_LIBICONV]) +GIT_CONF_SUBST([NO_ICONV]) if test -n "$NO_ICONV"; then NEEDS_LIBICONV= @@ -575,7 +634,7 @@ LIBS="$old_LIBS" GIT_UNSTASH_FLAGS($ZLIB_PATH) -AC_SUBST(NO_DEFLATE_BOUND) +GIT_CONF_SUBST([NO_DEFLATE_BOUND]) # # Define NEEDS_SOCKET if linking with libc is not enough (SunOS, @@ -583,7 +642,7 @@ AC_SUBST(NO_DEFLATE_BOUND) AC_CHECK_LIB([c], [socket], [NEEDS_SOCKET=], [NEEDS_SOCKET=YesPlease]) -AC_SUBST(NEEDS_SOCKET) +GIT_CONF_SUBST([NEEDS_SOCKET]) test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket" # @@ -591,40 +650,43 @@ test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket" # libresolv provides some of the functions we would normally get # from libc. NEEDS_RESOLV= -AC_SUBST(NEEDS_RESOLV) # # Define NO_INET_NTOP if linking with -lresolv is not enough. # Solaris 2.7 in particular hos inet_ntop in -lresolv. NO_INET_NTOP= -AC_SUBST(NO_INET_NTOP) AC_CHECK_FUNC([inet_ntop], - [], + [], [AC_CHECK_LIB([resolv], [inet_ntop], - [NEEDS_RESOLV=YesPlease], + [NEEDS_RESOLV=YesPlease], [NO_INET_NTOP=YesPlease]) ]) +GIT_CONF_SUBST([NO_INET_NTOP]) # # Define NO_INET_PTON if linking with -lresolv is not enough. # Solaris 2.7 in particular hos inet_pton in -lresolv. NO_INET_PTON= -AC_SUBST(NO_INET_PTON) AC_CHECK_FUNC([inet_pton], - [], + [], [AC_CHECK_LIB([resolv], [inet_pton], - [NEEDS_RESOLV=YesPlease], + [NEEDS_RESOLV=YesPlease], [NO_INET_PTON=YesPlease]) ]) +GIT_CONF_SUBST([NO_INET_PTON]) # # Define NO_HSTRERROR if linking with -lresolv is not enough. # Solaris 2.6 in particular has no hstrerror, even in -lresolv. NO_HSTRERROR= AC_CHECK_FUNC([hstrerror], - [], + [], [AC_CHECK_LIB([resolv], [hstrerror], - [NEEDS_RESOLV=YesPlease], + [NEEDS_RESOLV=YesPlease], [NO_HSTRERROR=YesPlease]) ]) -AC_SUBST(NO_HSTRERROR) +GIT_CONF_SUBST([NO_HSTRERROR]) + +dnl This must go after all the possible places for its initialization, +dnl in the AC_CHECK_FUNC invocations above. +GIT_CONF_SUBST([NEEDS_RESOLV]) # # If any of the above tests determined that -lresolv is needed at # build-time, also set it here for remaining configure-time checks. @@ -633,13 +695,13 @@ test -n "$NEEDS_RESOLV" && LIBS="$LIBS -lresolv" AC_CHECK_LIB([c], [basename], [NEEDS_LIBGEN=], [NEEDS_LIBGEN=YesPlease]) -AC_SUBST(NEEDS_LIBGEN) +GIT_CONF_SUBST([NEEDS_LIBGEN]) test -n "$NEEDS_LIBGEN" && LIBS="$LIBS -lgen" AC_CHECK_LIB([c], [gettext], [LIBC_CONTAINS_LIBINTL=YesPlease], [LIBC_CONTAINS_LIBINTL=]) -AC_SUBST(LIBC_CONTAINS_LIBINTL) +GIT_CONF_SUBST([LIBC_CONTAINS_LIBINTL]) # # Define NO_GETTEXT if you don't want Git output to be translated. @@ -647,7 +709,7 @@ AC_SUBST(LIBC_CONTAINS_LIBINTL) AC_CHECK_HEADER([libintl.h], [NO_GETTEXT=], [NO_GETTEXT=YesPlease]) -AC_SUBST(NO_GETTEXT) +GIT_CONF_SUBST([NO_GETTEXT]) if test -z "$NO_GETTEXT"; then test -n "$LIBC_CONTAINS_LIBINTL" || LIBS="$LIBS -lintl" @@ -660,19 +722,19 @@ AC_MSG_NOTICE([CHECKS for header files]) AC_CHECK_HEADER([sys/select.h], [NO_SYS_SELECT_H=], [NO_SYS_SELECT_H=UnfortunatelyYes]) -AC_SUBST(NO_SYS_SELECT_H) +GIT_CONF_SUBST([NO_SYS_SELECT_H]) # # Define NO_SYS_POLL_H if you don't have sys/poll.h AC_CHECK_HEADER([sys/poll.h], [NO_SYS_POLL_H=], [NO_SYS_POLL_H=UnfortunatelyYes]) -AC_SUBST(NO_SYS_POLL_H) +GIT_CONF_SUBST([NO_SYS_POLL_H]) # # Define NO_INTTYPES_H if you don't have inttypes.h AC_CHECK_HEADER([inttypes.h], [NO_INTTYPES_H=], [NO_INTTYPES_H=UnfortunatelyYes]) -AC_SUBST(NO_INTTYPES_H) +GIT_CONF_SUBST([NO_INTTYPES_H]) # # Define OLD_ICONV if your library has an old iconv(), where the second # (input buffer pointer) parameter is declared with type (const char **). @@ -695,23 +757,45 @@ AC_COMPILE_IFELSE([OLDICONVTEST_SRC], GIT_UNSTASH_FLAGS($ICONVDIR) -AC_SUBST(OLD_ICONV) +GIT_CONF_SUBST([OLD_ICONV]) ## Checks for typedefs, structures, and compiler characteristics. AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics]) # TYPE_SOCKLEN_T case $ac_cv_type_socklen_t in - yes) ;; - *) AC_SUBST([SOCKLEN_T], [$git_cv_socklen_t_equiv]) ;; + yes) SOCKLEN_T='';; + *) SOCKLEN_T=$git_cv_socklen_t_equiv;; esac - +GIT_CONF_SUBST([SOCKLEN_T]) + +# +# Define NO_STRUCT_ITIMERVAL if you don't have struct itimerval. +AC_CHECK_TYPES([struct itimerval], +[NO_STRUCT_ITIMERVAL=], +[NO_STRUCT_ITIMERVAL=UnfortunatelyYes], +[#include <sys/time.h>]) +GIT_CONF_SUBST([NO_STRUCT_ITIMERVAL]) +# +# Define USE_ST_TIMESPEC=YesPlease when stat.st_mtimespec.tv_nsec exists. +# Define NO_NSEC=YesPlease when neither stat.st_mtim.tv_nsec nor +# stat.st_mtimespec.tv_nsec exists. +AC_CHECK_MEMBER([struct stat.st_mtimespec.tv_nsec]) +AC_CHECK_MEMBER([struct stat.st_mtim.tv_nsec]) +if test x$ac_cv_member_struct_stat_st_mtimespec_tv_nsec = xyes; then + USE_ST_TIMESPEC=YesPlease + GIT_CONF_SUBST([USE_ST_TIMESPEC]) +elif test x$ac_cv_member_struct_stat_st_mtim_tv_nsec != xyes; then + NO_NSEC=YesPlease + GIT_CONF_SUBST([NO_NSEC]) +fi +# # Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent. AC_CHECK_MEMBER(struct dirent.d_ino, [NO_D_INO_IN_DIRENT=], [NO_D_INO_IN_DIRENT=YesPlease], [#include <dirent.h>]) -AC_SUBST(NO_D_INO_IN_DIRENT) +GIT_CONF_SUBST([NO_D_INO_IN_DIRENT]) # # Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks # d_type in struct dirent (latest Cygwin -- will be fixed soonish). @@ -719,7 +803,15 @@ AC_CHECK_MEMBER(struct dirent.d_type, [NO_D_TYPE_IN_DIRENT=], [NO_D_TYPE_IN_DIRENT=YesPlease], [#include <dirent.h>]) -AC_SUBST(NO_D_TYPE_IN_DIRENT) +GIT_CONF_SUBST([NO_D_TYPE_IN_DIRENT]) +# +# Define NO_GECOS_IN_PWENT if you don't have pw_gecos in struct passwd +# in the C library. +AC_CHECK_MEMBER(struct passwd.pw_gecos, +[NO_GECOS_IN_PWENT=], +[NO_GECOS_IN_PWENT=YesPlease], +[#include <pwd.h>]) +GIT_CONF_SUBST([NO_GECOS_IN_PWENT]) # # Define NO_SOCKADDR_STORAGE if your platform does not have struct # sockaddr_storage. @@ -729,7 +821,7 @@ AC_CHECK_TYPE(struct sockaddr_storage, #include <sys/types.h> #include <sys/socket.h> ]) -AC_SUBST(NO_SOCKADDR_STORAGE) +GIT_CONF_SUBST([NO_SOCKADDR_STORAGE]) # # Define NO_IPV6 if you lack IPv6 support and getaddrinfo(). AC_CHECK_TYPE([struct addrinfo],[ @@ -741,7 +833,7 @@ AC_CHECK_TYPE([struct addrinfo],[ #include <sys/socket.h> #include <netdb.h> ]) -AC_SUBST(NO_IPV6) +GIT_CONF_SUBST([NO_IPV6]) # # Define NO_REGEX if you have no or inferior regex support in your C library. AC_CACHE_CHECK([whether the platform regex can handle null bytes], @@ -762,7 +854,7 @@ if test $ac_cv_c_excellent_regex = yes; then else NO_REGEX=YesPlease fi -AC_SUBST(NO_REGEX) +GIT_CONF_SUBST([NO_REGEX]) # # Define FREAD_READS_DIRECTORIES if your are on a system which succeeds # when attempting to read from an fopen'ed directory. @@ -782,7 +874,7 @@ if test $ac_cv_fread_reads_directories = yes; then else FREAD_READS_DIRECTORIES= fi -AC_SUBST(FREAD_READS_DIRECTORIES) +GIT_CONF_SUBST([FREAD_READS_DIRECTORIES]) # # Define SNPRINTF_RETURNS_BOGUS if your are on a system which snprintf() # or vsnprintf() return -1 instead of number of characters which would @@ -816,7 +908,30 @@ if test $ac_cv_snprintf_returns_bogus = yes; then else SNPRINTF_RETURNS_BOGUS= fi -AC_SUBST(SNPRINTF_RETURNS_BOGUS) +GIT_CONF_SUBST([SNPRINTF_RETURNS_BOGUS]) +# +# Define NEEDS_MODE_TRANSLATION if your OS strays from the typical file type +# bits in mode values. +AC_CACHE_CHECK([whether the platform uses typical file type bits], + [ac_cv_sane_mode_bits], [ +AC_EGREP_CPP(yippeeyeswehaveit, + AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], +[#if S_IFMT == 0170000 && \ + S_IFREG == 0100000 && S_IFDIR == 0040000 && S_IFLNK == 0120000 && \ + S_IFBLK == 0060000 && S_IFCHR == 0020000 && \ + S_IFIFO == 0010000 && S_IFSOCK == 0140000 +yippeeyeswehaveit +#endif +]), + [ac_cv_sane_mode_bits=yes], + [ac_cv_sane_mode_bits=no]) +]) +if test $ac_cv_sane_mode_bits = yes; then + NEEDS_MODE_TRANSLATION= +else + NEEDS_MODE_TRANSLATION=UnfortunatelyYes +fi +GIT_CONF_SUBST([NEEDS_MODE_TRANSLATION]) ## Checks for library functions. @@ -827,81 +942,83 @@ AC_MSG_NOTICE([CHECKS for library functions]) AC_CHECK_HEADER([libgen.h], [NO_LIBGEN_H=], [NO_LIBGEN_H=YesPlease]) -AC_SUBST(NO_LIBGEN_H) +GIT_CONF_SUBST([NO_LIBGEN_H]) # # Define HAVE_PATHS_H if you have paths.h. AC_CHECK_HEADER([paths.h], [HAVE_PATHS_H=YesPlease], [HAVE_PATHS_H=]) -AC_SUBST(HAVE_PATHS_H) +GIT_CONF_SUBST([HAVE_PATHS_H]) # # Define HAVE_LIBCHARSET_H if have libcharset.h AC_CHECK_HEADER([libcharset.h], [HAVE_LIBCHARSET_H=YesPlease], [HAVE_LIBCHARSET_H=]) -AC_SUBST(HAVE_LIBCHARSET_H) +GIT_CONF_SUBST([HAVE_LIBCHARSET_H]) +# +# Define HAVE_STRINGS_H if you have strings.h +AC_CHECK_HEADER([strings.h], +[HAVE_STRINGS_H=YesPlease], +[HAVE_STRINGS_H=]) +GIT_CONF_SUBST([HAVE_STRINGS_H]) # Define CHARSET_LIB if libiconv does not export the locale_charset symbol # and libcharset does CHARSET_LIB= AC_CHECK_LIB([iconv], [locale_charset], - [], + [CHARSET_LIB=-liconv], [AC_CHECK_LIB([charset], [locale_charset], - [CHARSET_LIB=-lcharset]) - ] -) -AC_SUBST(CHARSET_LIB) + [CHARSET_LIB=-lcharset])]) +GIT_CONF_SUBST([CHARSET_LIB]) +# +# Define NO_HMAC_CTX_CLEANUP=YesPlease if HMAC_CTX_cleanup is missing. +AC_CHECK_LIB([crypto], [HMAC_CTX_cleanup], + [], [GIT_CONF_SUBST([NO_HMAC_CTX_CLEANUP], [YesPlease])]) +# +# Define HAVE_CLOCK_GETTIME=YesPlease if clock_gettime is available. +GIT_CHECK_FUNC(clock_gettime, + [HAVE_CLOCK_GETTIME=YesPlease], + [HAVE_CLOCK_GETTIME=]) +GIT_CONF_SUBST([HAVE_CLOCK_GETTIME]) + +AC_DEFUN([CLOCK_MONOTONIC_SRC], [ +AC_LANG_PROGRAM([[ +#include <time.h> +clockid_t id = CLOCK_MONOTONIC; +]])]) + +# +# Define HAVE_CLOCK_MONOTONIC=YesPlease if CLOCK_MONOTONIC is available. +AC_MSG_CHECKING([for CLOCK_MONOTONIC]) +AC_COMPILE_IFELSE([CLOCK_MONOTONIC_SRC], + [AC_MSG_RESULT([yes]) + HAVE_CLOCK_MONOTONIC=YesPlease], + [AC_MSG_RESULT([no]) + HAVE_CLOCK_MONOTONIC=]) +GIT_CONF_SUBST([HAVE_CLOCK_MONOTONIC]) +# +# Define NO_SETITIMER if you don't have setitimer. +GIT_CHECK_FUNC(setitimer, +[NO_SETITIMER=], +[NO_SETITIMER=YesPlease]) +GIT_CONF_SUBST([NO_SETITIMER]) # # Define NO_STRCASESTR if you don't have strcasestr. GIT_CHECK_FUNC(strcasestr, [NO_STRCASESTR=], [NO_STRCASESTR=YesPlease]) -AC_SUBST(NO_STRCASESTR) -# -# Define NO_STRTOK_R if you don't have strtok_r -GIT_CHECK_FUNC(strtok_r, -[NO_STRTOK_R=], -[NO_STRTOK_R=YesPlease]) -AC_SUBST(NO_STRTOK_R) -# -# Define NO_FNMATCH if you don't have fnmatch -GIT_CHECK_FUNC(fnmatch, -[NO_FNMATCH=], -[NO_FNMATCH=YesPlease]) -AC_SUBST(NO_FNMATCH) -# -# Define NO_FNMATCH_CASEFOLD if your fnmatch function doesn't have the -# FNM_CASEFOLD GNU extension. -AC_CACHE_CHECK([whether the fnmatch function supports the FNMATCH_CASEFOLD GNU extension], - [ac_cv_c_excellent_fnmatch], [ -AC_EGREP_CPP(yippeeyeswehaveit, - AC_LANG_PROGRAM([ -#include <fnmatch.h> -], -[#ifdef FNM_CASEFOLD -yippeeyeswehaveit -#endif -]), - [ac_cv_c_excellent_fnmatch=yes], - [ac_cv_c_excellent_fnmatch=no]) -]) -if test $ac_cv_c_excellent_fnmatch = yes; then - NO_FNMATCH_CASEFOLD= -else - NO_FNMATCH_CASEFOLD=YesPlease -fi -AC_SUBST(NO_FNMATCH_CASEFOLD) +GIT_CONF_SUBST([NO_STRCASESTR]) # # Define NO_MEMMEM if you don't have memmem. GIT_CHECK_FUNC(memmem, [NO_MEMMEM=], [NO_MEMMEM=YesPlease]) -AC_SUBST(NO_MEMMEM) +GIT_CONF_SUBST([NO_MEMMEM]) # # Define NO_STRLCPY if you don't have strlcpy. GIT_CHECK_FUNC(strlcpy, [NO_STRLCPY=], [NO_STRLCPY=YesPlease]) -AC_SUBST(NO_STRLCPY) +GIT_CONF_SUBST([NO_STRLCPY]) # # Define NO_UINTMAX_T if your platform does not have uintmax_t AC_CHECK_TYPE(uintmax_t, @@ -909,49 +1026,78 @@ AC_CHECK_TYPE(uintmax_t, [NO_UINTMAX_T=YesPlease],[ #include <inttypes.h> ]) -AC_SUBST(NO_UINTMAX_T) +GIT_CONF_SUBST([NO_UINTMAX_T]) # # Define NO_STRTOUMAX if you don't have strtoumax in the C library. GIT_CHECK_FUNC(strtoumax, [NO_STRTOUMAX=], [NO_STRTOUMAX=YesPlease]) -AC_SUBST(NO_STRTOUMAX) +GIT_CONF_SUBST([NO_STRTOUMAX]) # # Define NO_SETENV if you don't have setenv in the C library. GIT_CHECK_FUNC(setenv, [NO_SETENV=], [NO_SETENV=YesPlease]) -AC_SUBST(NO_SETENV) +GIT_CONF_SUBST([NO_SETENV]) # # Define NO_UNSETENV if you don't have unsetenv in the C library. GIT_CHECK_FUNC(unsetenv, [NO_UNSETENV=], [NO_UNSETENV=YesPlease]) -AC_SUBST(NO_UNSETENV) +GIT_CONF_SUBST([NO_UNSETENV]) # # Define NO_MKDTEMP if you don't have mkdtemp in the C library. GIT_CHECK_FUNC(mkdtemp, [NO_MKDTEMP=], [NO_MKDTEMP=YesPlease]) -AC_SUBST(NO_MKDTEMP) +GIT_CONF_SUBST([NO_MKDTEMP]) # # Define NO_MKSTEMPS if you don't have mkstemps in the C library. GIT_CHECK_FUNC(mkstemps, [NO_MKSTEMPS=], [NO_MKSTEMPS=YesPlease]) -AC_SUBST(NO_MKSTEMPS) +GIT_CONF_SUBST([NO_MKSTEMPS]) # # Define NO_INITGROUPS if you don't have initgroups in the C library. GIT_CHECK_FUNC(initgroups, [NO_INITGROUPS=], [NO_INITGROUPS=YesPlease]) -AC_SUBST(NO_INITGROUPS) +GIT_CONF_SUBST([NO_INITGROUPS]) +# +# Define HAVE_GETDELIM if you have getdelim in the C library. +GIT_CHECK_FUNC(getdelim, +[HAVE_GETDELIM=YesPlease], +[HAVE_GETDELIM=]) +GIT_CONF_SUBST([HAVE_GETDELIM]) # # # Define NO_MMAP if you want to avoid mmap. # # Define NO_ICONV if your libc does not properly support iconv. +AC_DEFUN([BSD_SYSCTL_SRC], [ +AC_LANG_PROGRAM([[ +#include <stddef.h> +#include <sys/types.h> +#include <sys/sysctl.h> +]],[[ +int val, mib[2]; +size_t len; +mib[0] = CTL_HW; +mib[1] = 1; +len = sizeof(val); +return sysctl(mib, 2, &val, &len, NULL, 0) ? 1 : 0; +]])]) + +# +# Define HAVE_BSD_SYSCTL=YesPlease if a BSD-compatible sysctl function is available. +AC_MSG_CHECKING([for BSD sysctl]) +AC_COMPILE_IFELSE([BSD_SYSCTL_SRC], + [AC_MSG_RESULT([yes]) + HAVE_BSD_SYSCTL=YesPlease], + [AC_MSG_RESULT([no]) + HAVE_BSD_SYSCTL=]) +GIT_CONF_SUBST([HAVE_BSD_SYSCTL]) ## Other checks. # Define USE_PIC if you need the main git objects to be built with -fPIC @@ -991,10 +1137,20 @@ if test -n "$USER_NOPTHREAD"; then # -D_REENTRANT' or some such. elif test -z "$PTHREAD_CFLAGS"; then threads_found=no - for opt in -mt -pthread -lpthread; do + # Attempt to compile and link some code using pthreads to determine + # required linker flags. The order is somewhat important here: We + # first try it without any extra flags, to catch systems where + # pthreads are part of the C library, then go on testing various other + # flags. We do so to avoid false positives. For example, on Mac OS X + # pthreads are part of the C library; moreover, the compiler allows us + # to add "-mt" to the CFLAGS (although it will do nothing except + # trigger a warning about an unused flag). Hence if we checked for + # "-mt" before "" we would end up picking it. But unfortunately this + # would then trigger compiler warnings on every single file we compile. + for opt in "" -mt -pthread -lpthread; do old_CFLAGS="$CFLAGS" CFLAGS="$opt $CFLAGS" - AC_MSG_CHECKING([Checking for POSIX Threads with '$opt']) + AC_MSG_CHECKING([for POSIX Threads with '$opt']) AC_LINK_IFELSE([PTHREADTEST_SRC], [AC_MSG_RESULT([yes]) NO_PTHREADS= @@ -1014,7 +1170,7 @@ elif test -z "$PTHREAD_CFLAGS"; then else old_CFLAGS="$CFLAGS" CFLAGS="$PTHREAD_CFLAGS $CFLAGS" - AC_MSG_CHECKING([Checking for POSIX Threads with '$PTHREAD_CFLAGS']) + AC_MSG_CHECKING([for POSIX Threads with '$PTHREAD_CFLAGS']) AC_LINK_IFELSE([PTHREADTEST_SRC], [AC_MSG_RESULT([yes]) NO_PTHREADS= @@ -1027,14 +1183,10 @@ fi CFLAGS="$old_CFLAGS" -AC_SUBST(PTHREAD_CFLAGS) -AC_SUBST(PTHREAD_LIBS) -AC_SUBST(NO_PTHREADS) +GIT_CONF_SUBST([PTHREAD_CFLAGS]) +GIT_CONF_SUBST([PTHREAD_LIBS]) +GIT_CONF_SUBST([NO_PTHREADS]) ## Output files -AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"]) +AC_CONFIG_FILES(["${config_file}":"${config_in}"]) AC_OUTPUT - - -## Cleanup -rm -f "${config_append}" |