diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 795 |
1 files changed, 685 insertions, 110 deletions
diff --git a/configure.ac b/configure.ac index 3a8e778def..5601e8bac9 100644 --- a/configure.ac +++ b/configure.ac @@ -23,25 +23,38 @@ AC_DEFUN([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)],[]) + [GIT_CONF_APPEND_PATH($1,$2)],[]) ])# GIT_ARG_SET_PATH # # 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 \ - AC_MSG_ERROR([You cannot use git without $1]); \ + 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=$withval); \ fi; \ fi; \ @@ -61,62 +74,396 @@ elif test "$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 +# +# 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. +# HELP_TEXT is presented when --help is called. +# This is a direct way to allow setting variables in the Makefile. +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 \ + 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); \ + 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. +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. +AC_DEFUN([GIT_STASH_FLAGS],[ +if test -n "$1"; then + old_CPPFLAGS="$CPPFLAGS" + old_LDFLAGS="$LDFLAGS" + CPPFLAGS="-I$1/include $CPPFLAGS" + LDFLAGS="-L$1/$lib $LDFLAGS" +fi +]) + +dnl +dnl GIT_UNSTASH_FLAGS(BASEPATH_VAR) +dnl ----------------------------- +dnl Restore the stashed *FLAGS values. +AC_DEFUN([GIT_UNSTASH_FLAGS],[ +if test -n "$1"; then + CPPFLAGS="$old_CPPFLAGS" + LDFLAGS="$old_LDFLAGS" +fi +]) ## Site configuration related to programs (before tests) ## --with-PACKAGE[=ARG] and --without-PACKAGE # +# Set lib to alternative name of lib directory (e.g. lib64) +AC_ARG_WITH([lib], + [AS_HELP_STRING([--with-lib=ARG], + [ARG specifies alternative name for lib directory])], + [if test "$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 -z "$lib"; then + AC_MSG_NOTICE([Setting lib to 'lib' (the default)]) + lib=lib +fi + +AC_ARG_ENABLE([pthreads], + [AS_HELP_STRING([--enable-pthreads=FLAGS], + [FLAGS is the value to pass to the compiler to enable POSIX Threads.] + [The default if FLAGS is not specified is to try first -pthread] + [and then -lpthread.] + [--without-pthreads will disable threading.])], +[ +if test "x$enableval" = "xyes"; then + AC_MSG_NOTICE([Will try -pthread then -lpthread to enable POSIX Threads]) +elif test "x$enableval" != "xno"; then + PTHREAD_CFLAGS=$enableval + AC_MSG_NOTICE([Setting '$PTHREAD_CFLAGS' as the FLAGS to enable POSIX Threads]) +else + AC_MSG_NOTICE([POSIX Threads will be disabled.]) + NO_PTHREADS=YesPlease + USER_NOPTHREAD=1 +fi], +[ + AC_MSG_NOTICE([Will try -pthread then -lpthread to enable POSIX Threads.]) +]) + +# Define option to enable JavaScript minification +AC_ARG_ENABLE([jsmin], +[AS_HELP_STRING([--enable-jsmin=PATH], + [PATH is the name of a JavaScript minifier or the absolute path to one.])], +[ + JSMIN=$enableval; + AC_MSG_NOTICE([Setting JSMIN to '$JSMIN' to enable JavaScript minifying]) + GIT_CONF_APPEND_LINE(JSMIN=$enableval); +]) + +# Define option to enable CSS minification +AC_ARG_ENABLE([cssmin], +[AS_HELP_STRING([--enable-cssmin=PATH], + [PATH is the name of a CSS minifier or the absolute path to one.])], +[ + CSSMIN=$enableval; + AC_MSG_NOTICE([Setting CSSMIN to '$CSSMIN' to enable CSS minifying]) + GIT_CONF_APPEND_LINE(CSSMIN=$enableval); +]) + +## Site configuration (override autodetection) +## --with-PACKAGE[=ARG] and --without-PACKAGE +AC_MSG_NOTICE([CHECKS for site configuration]) +# +# Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability +# tests. These tests take up a significant amount of the total test time +# but are not needed unless you plan to talk to SVN repos. +# +# Define PPC_SHA1 environment variable when running make to make use of +# a bundled SHA1 routine optimized for PowerPC. +# +# Define NO_OPENSSL environment variable if you do not have OpenSSL. +# This also implies BLK_SHA1. +# +# Define OPENSSLDIR=/foo/bar if your openssl header and library files are in +# /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)) +# +# 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:// +# transports. +# +# Define CURLDIR=/foo/bar if your curl header and library files are in +# /foo/bar/include and /foo/bar/lib directories. +AC_ARG_WITH(curl, +AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)]) +AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]), +GIT_PARSE_WITH(curl)) +# +# Define NO_EXPAT if you do not have expat installed. git-http-push is +# not built, and you cannot push using http:// and https:// transports. +# +# Define EXPATDIR=/foo/bar if your expat header and library files are in +# /foo/bar/include and /foo/bar/lib directories. +AC_ARG_WITH(expat, +AS_HELP_STRING([--with-expat], +[support git-push using http:// and https:// transports via WebDAV (default is YES)]) +AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]), +GIT_PARSE_WITH(expat)) +# +# Define NO_FINK if you are building on Darwin/Mac OS X, have Fink +# installed in /sw, but don't want GIT to link against any libraries +# installed there. If defined you may specify your own (or Fink's) +# include directories and library directories by defining CFLAGS +# and LDFLAGS appropriately. +# +# Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X, +# have DarwinPorts installed in /opt/local, but don't want GIT to +# link against any libraries installed there. If defined you may +# specify your own (or DarwinPort's) include directories and +# library directories by defining CFLAGS and LDFLAGS appropriately. +# +# Define NO_MMAP if you want to avoid mmap. +# +# Define NO_ICONV if your libc does not properly support iconv. +AC_ARG_WITH(iconv, +AS_HELP_STRING([--without-iconv], +[if your architecture doesn't properly support iconv]) +AS_HELP_STRING([--with-iconv=PATH], +[PATH is prefix for libiconv library and headers]) +AS_HELP_STRING([], +[used only if you need linking with libiconv]), +GIT_PARSE_WITH(iconv)) + +## --enable-FEATURE[=ARG] and --disable-FEATURE +# +# Define USE_NSEC below if you want git to care about sub-second file mtimes +# and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and +# it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely +# randomly break unless your underlying filesystem supports those sub-second +# times (my ext3 doesn't). +# +# Define USE_STDEV below if you want git to care about the underlying device +# change being considered an inode change from the update-index perspective. + +# +# Allow user to set ETC_GITCONFIG variable +GIT_PARSE_WITH_SET_MAKE_VAR(gitconfig, ETC_GITCONFIG, + Use VALUE instead of /etc/gitconfig as the + global git configuration file. + If VALUE is not fully qualified it will be interpretted + as a path relative to the computed prefix at runtime.) + +# +# Allow user to set the default pager +GIT_PARSE_WITH_SET_MAKE_VAR(pager, DEFAULT_PAGER, + Use VALUE as the fall-back pager instead of 'less'. + This is used by things like 'git log' when the user + does not specify a pager to use through alternate + methods. eg: /usr/bin/pager) +# +# Allow user to set the default editor +GIT_PARSE_WITH_SET_MAKE_VAR(editor, DEFAULT_EDITOR, + Use VALUE as the fall-back editor instead of 'vi'. + This is used by things like 'git commit' when the user + does not specify a preferred editor through other + methods. eg: /usr/bin/editor) + +# # Define SHELL_PATH to provide path to shell. GIT_ARG_SET_PATH(shell) # # Define PERL_PATH to provide path to Perl. GIT_ARG_SET_PATH(perl) # +# Define PYTHON_PATH to provide path to Python. +GIT_ARG_SET_PATH(python, allow-without) +# +# Define ZLIB_PATH to provide path to zlib. +GIT_ARG_SET_PATH(zlib) +# +# Declare the with-tcltk/without-tcltk options. +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.]),\ +GIT_PARSE_WITH(tcltk)) +# ## Checks for programs. 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]) ;; +esac + +# which switch to pass runtime path to dynamic libraries to the linker +AC_CACHE_CHECK([if linker supports -R], git_cv_ld_dashr, [ + SAVE_LDFLAGS="${LDFLAGS}" + LDFLAGS="${SAVE_LDFLAGS} -R /" + AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [git_cv_ld_dashr=yes], [git_cv_ld_dashr=no]) + LDFLAGS="${SAVE_LDFLAGS}" +]) +if test "$git_cv_ld_dashr" = "yes"; then + AC_SUBST(CC_LD_DYNPATH, [-R]) +else + AC_CACHE_CHECK([if linker supports -Wl,-rpath,], git_cv_ld_wl_rpath, [ + SAVE_LDFLAGS="${LDFLAGS}" + LDFLAGS="${SAVE_LDFLAGS} -Wl,-rpath,/" + AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [git_cv_ld_wl_rpath=yes], [git_cv_ld_wl_rpath=no]) + LDFLAGS="${SAVE_LDFLAGS}" + ]) + if test "$git_cv_ld_wl_rpath" = "yes"; then + AC_SUBST(CC_LD_DYNPATH, [-Wl,-rpath,]) + else + AC_CACHE_CHECK([if linker supports -rpath], git_cv_ld_rpath, [ + SAVE_LDFLAGS="${LDFLAGS}" + LDFLAGS="${SAVE_LDFLAGS} -rpath /" + AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [git_cv_ld_rpath=yes], [git_cv_ld_rpath=no]) + LDFLAGS="${SAVE_LDFLAGS}" + ]) + if test "$git_cv_ld_rpath" = "yes"; then + AC_SUBST(CC_LD_DYNPATH, [-rpath]) + else + AC_MSG_WARN([linker does not support runtime path to dynamic libraries]) + fi + fi +fi #AC_PROG_INSTALL # needs install-sh or install.sh in sources -AC_CHECK_TOOL(AR, ar, :) +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 "$NO_TCLTK"; then + if test "$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 +AC_CHECK_PROGS(ASCIIDOC, [asciidoc]) +if test -n "$ASCIIDOC"; then + AC_MSG_CHECKING([for asciidoc version]) + asciidoc_version=`$ASCIIDOC --version 2>/dev/null` + case "${asciidoc_version}" in + asciidoc' '8*) + ASCIIDOC8=YesPlease + AC_MSG_RESULT([${asciidoc_version} > 7]) + ;; + asciidoc' '7*) + ASCIIDOC8= + AC_MSG_RESULT([${asciidoc_version}]) + ;; + *) + ASCIIDOC8= + AC_MSG_RESULT([${asciidoc_version} (unknown)]) + ;; + esac +fi +AC_SUBST(ASCIIDOC8) + ## Checks for libraries. AC_MSG_NOTICE([CHECKS for libraries]) # # Define NO_OPENSSL environment variable if you do not have OpenSSL. # Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin). + +GIT_STASH_FLAGS($OPENSSLDIR) + AC_CHECK_LIB([crypto], [SHA1_Init], [NEEDS_SSL_WITH_CRYPTO=], [AC_CHECK_LIB([ssl], [SHA1_Init], - [NEEDS_SSL_WITH_CRYPTO=YesPlease - NEEDS_SSL_WITH_CRYPTO=], - [NO_OPENSSL=YesPlease])]) + [NEEDS_SSL_WITH_CRYPTO=YesPlease], + [NEEDS_SSL_WITH_CRYPTO= NO_OPENSSL=YesPlease])]) + +GIT_UNSTASH_FLAGS($OPENSSLDIR) + AC_SUBST(NEEDS_SSL_WITH_CRYPTO) AC_SUBST(NO_OPENSSL) + # -# Define NO_CURL if you do not have curl installed. git-http-pull and +# Define NO_CURL if you do not have libcurl installed. git-http-pull and # git-http-push are not built, and you cannot use http:// and https:// # transports. + +GIT_STASH_FLAGS($CURLDIR) + AC_CHECK_LIB([curl], [curl_global_init], [NO_CURL=], [NO_CURL=YesPlease]) + +GIT_UNSTASH_FLAGS($CURLDIR) + AC_SUBST(NO_CURL) + # # Define NO_EXPAT if you do not have expat installed. git-http-push is # not built, and you cannot push using http:// and https:// transports. + +GIT_STASH_FLAGS($EXPATDIR) + AC_CHECK_LIB([expat], [XML_ParserCreate], [NO_EXPAT=], [NO_EXPAT=YesPlease]) + +GIT_UNSTASH_FLAGS($EXPATDIR) + AC_SUBST(NO_EXPAT) + # # Define NEEDS_LIBICONV if linking with libc is not enough (Darwin and # some Solaris installations). # Define NO_ICONV if neither libc nor libiconv support iconv. + +if test -z "$NO_ICONV"; then + +GIT_STASH_FLAGS($ICONVDIR) + AC_DEFUN([ICONVTEST_SRC], [ #include <iconv.h> @@ -126,23 +473,74 @@ int main(void) return 0; } ]) -AC_MSG_CHECKING([for iconv in -lc]) -AC_LINK_IFELSE(ICONVTEST_SRC, + +if test -n "$ICONVDIR"; then + lib_order="-liconv -lc" +else + lib_order="-lc -liconv" +fi + +NO_ICONV=YesPlease + +for l in $lib_order; do + if test "$l" = "-liconv"; then + NEEDS_LIBICONV=YesPlease + else + NEEDS_LIBICONV= + fi + + old_LIBS="$LIBS" + LIBS="$LIBS $l" + AC_MSG_CHECKING([for iconv in $l]) + AC_LINK_IFELSE(ICONVTEST_SRC, [AC_MSG_RESULT([yes]) - NEEDS_LIBICONV=], - [AC_MSG_RESULT([no]) - old_LIBS="$LIBS" - LIBS="$LIBS -liconv" - AC_MSG_CHECKING([for iconv in -liconv]) - AC_LINK_IFELSE(ICONVTEST_SRC, - [AC_MSG_RESULT([yes]) - NEEDS_LIBICONV=YesPlease], - [AC_MSG_RESULT([no]) - NO_ICONV=YesPlease]) - LIBS="$old_LIBS"]) + NO_ICONV= + break], + [AC_MSG_RESULT([no])]) + LIBS="$old_LIBS" +done + +#in case of break +LIBS="$old_LIBS" + +GIT_UNSTASH_FLAGS($ICONVDIR) + AC_SUBST(NEEDS_LIBICONV) AC_SUBST(NO_ICONV) -test -n "$NEEDS_LIBICONV" && LIBS="$LIBS -liconv" + +if test -n "$NO_ICONV"; then + NEEDS_LIBICONV= +fi + +fi + +# +# Define NO_DEFLATE_BOUND if deflateBound is missing from zlib. + +GIT_STASH_FLAGS($ZLIB_PATH) + +AC_DEFUN([ZLIBTEST_SRC], [ +#include <zlib.h> + +int main(void) +{ + deflateBound(0, 0); + return 0; +} +]) +AC_MSG_CHECKING([for deflateBound in -lz]) +old_LIBS="$LIBS" +LIBS="$LIBS -lz" +AC_LINK_IFELSE(ZLIBTEST_SRC, + [AC_MSG_RESULT([yes])], + [AC_MSG_RESULT([no]) + NO_DEFLATE_BOUND=yes]) +LIBS="$old_LIBS" + +GIT_UNSTASH_FLAGS($ZLIB_PATH) + +AC_SUBST(NO_DEFLATE_BOUND) + # # Define NEEDS_SOCKET if linking with libc is not enough (SunOS, # Patrick Mauritz). @@ -152,13 +550,101 @@ AC_CHECK_LIB([c], [socket], AC_SUBST(NEEDS_SOCKET) test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket" +# +# The next few tests will define NEEDS_RESOLV if linking with +# libresolv provides some of the functions we would normally get +# from libc. +NEEDS_RESOLV= +AC_SUBST(NEEDS_RESOLV) +# +# Define NO_INET_NTOP if linking with -lresolv is not enough. +# Solaris 2.7 in particular hos inet_ntop in -lresolv. +NO_INET_NTOP= +AC_SUBST(NO_INET_NTOP) +AC_CHECK_FUNC([inet_ntop], + [], + [AC_CHECK_LIB([resolv], [inet_ntop], + [NEEDS_RESOLV=YesPlease], + [NO_INET_NTOP=YesPlease]) +]) +# +# Define NO_INET_PTON if linking with -lresolv is not enough. +# Solaris 2.7 in particular hos inet_pton in -lresolv. +NO_INET_PTON= +AC_SUBST(NO_INET_PTON) +AC_CHECK_FUNC([inet_pton], + [], + [AC_CHECK_LIB([resolv], [inet_pton], + [NEEDS_RESOLV=YesPlease], + [NO_INET_PTON=YesPlease]) +]) +# +# Define NO_HSTRERROR if linking with -lresolv is not enough. +# Solaris 2.6 in particular has no hstrerror, even in -lresolv. +NO_HSTRERROR= +AC_CHECK_FUNC([hstrerror], + [], + [AC_CHECK_LIB([resolv], [hstrerror], + [NEEDS_RESOLV=YesPlease], + [NO_HSTRERROR=YesPlease]) +]) +AC_SUBST(NO_HSTRERROR) +# +# If any of the above tests determined that -lresolv is needed at +# build-time, also set it here for remaining configure-time checks. +test -n "$NEEDS_RESOLV" && LIBS="$LIBS -lresolv" + +AC_CHECK_LIB([c], [basename], +[NEEDS_LIBGEN=], +[NEEDS_LIBGEN=YesPlease]) +AC_SUBST(NEEDS_LIBGEN) +test -n "$NEEDS_LIBGEN" && LIBS="$LIBS -lgen" ## Checks for header files. +AC_MSG_NOTICE([CHECKS for header files]) +# +# Define NO_SYS_SELECT_H if you don't have sys/select.h. +AC_CHECK_HEADER([sys/select.h], +[NO_SYS_SELECT_H=], +[NO_SYS_SELECT_H=UnfortunatelyYes]) +AC_SUBST(NO_SYS_SELECT_H) +# +# Define OLD_ICONV if your library has an old iconv(), where the second +# (input buffer pointer) parameter is declared with type (const char **). +AC_DEFUN([OLDICONVTEST_SRC], [[ +#include <iconv.h> + +extern size_t iconv(iconv_t cd, + char **inbuf, size_t *inbytesleft, + char **outbuf, size_t *outbytesleft); + +int main(void) +{ + return 0; +} +]]) +GIT_STASH_FLAGS($ICONVDIR) + +AC_MSG_CHECKING([for old iconv()]) +AC_COMPILE_IFELSE(OLDICONVTEST_SRC, + [AC_MSG_RESULT([no])], + [AC_MSG_RESULT([yes]) + OLD_ICONV=UnfortunatelyYes]) + +GIT_UNSTASH_FLAGS($ICONVDIR) + +AC_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]) ;; +esac + # 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=], @@ -186,7 +672,7 @@ AC_SUBST(NO_SOCKADDR_STORAGE) # # Define NO_IPV6 if you lack IPv6 support and getaddrinfo(). AC_CHECK_TYPE([struct addrinfo],[ - AC_CHECK_FUNC([getaddrinfo], + GIT_CHECK_FUNC([getaddrinfo], [NO_IPV6=], [NO_IPV6=YesPlease]) ],[NO_IPV6=YesPlease],[ @@ -207,9 +693,9 @@ AC_RUN_IFELSE( [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], [[char buf[64]; if (sprintf(buf, "%lld%hhd%jd%zd%td", (long long int)1, (char)2, (intmax_t)3, (size_t)4, (ptrdiff_t)5) != 5) - exit(1); + return 1; else if (strcmp(buf, "12345")) - exit(2);]])], + return 2;]])], [ac_cv_c_c99_format=yes], [ac_cv_c_c99_format=no]) ]) @@ -219,30 +705,135 @@ else NO_C99_FORMAT= fi AC_SUBST(NO_C99_FORMAT) +# +# Define FREAD_READS_DIRECTORIES if your are on a system which succeeds +# when attempting to read from an fopen'ed directory. +AC_CACHE_CHECK([whether system succeeds to read fopen'ed directory], + [ac_cv_fread_reads_directories], +[ +AC_RUN_IFELSE( + [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], + [[char c; + FILE *f = fopen(".", "r"); + return f && fread(&c, 1, 1, f)]])], + [ac_cv_fread_reads_directories=no], + [ac_cv_fread_reads_directories=yes]) +]) +if test $ac_cv_fread_reads_directories = yes; then + FREAD_READS_DIRECTORIES=UnfortunatelyYes +else + FREAD_READS_DIRECTORIES= +fi +AC_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 +# have been written to the final string if enough space had been available. +AC_CACHE_CHECK([whether snprintf() and/or vsnprintf() return bogus value], + [ac_cv_snprintf_returns_bogus], +[ +AC_RUN_IFELSE( + [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT + #include "stdarg.h" + + int test_vsnprintf(char *str, size_t maxsize, const char *format, ...) + { + int ret; + va_list ap; + va_start(ap, format); + ret = vsnprintf(str, maxsize, format, ap); + va_end(ap); + return ret; + }], + [[char buf[6]; + if (test_vsnprintf(buf, 3, "%s", "12345") != 5 + || strcmp(buf, "12")) return 1; + if (snprintf(buf, 3, "%s", "12345") != 5 + || strcmp(buf, "12")) return 1]])], + [ac_cv_snprintf_returns_bogus=no], + [ac_cv_snprintf_returns_bogus=yes]) +]) +if test $ac_cv_snprintf_returns_bogus = yes; then + SNPRINTF_RETURNS_BOGUS=UnfortunatelyYes +else + SNPRINTF_RETURNS_BOGUS= +fi +AC_SUBST(SNPRINTF_RETURNS_BOGUS) ## Checks for library functions. ## (in default C library and libraries checked by AC_CHECK_LIB) AC_MSG_NOTICE([CHECKS for library functions]) # +# Define NO_LIBGEN_H if you don't have libgen.h. +AC_CHECK_HEADER([libgen.h], +[NO_LIBGEN_H=], +[NO_LIBGEN_H=YesPlease]) +AC_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) +# # Define NO_STRCASESTR if you don't have strcasestr. -AC_CHECK_FUNC(strcasestr, +GIT_CHECK_FUNC(strcasestr, [NO_STRCASESTR=], [NO_STRCASESTR=YesPlease]) AC_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) +# # Define NO_STRLCPY if you don't have strlcpy. -AC_CHECK_FUNC(strlcpy, +GIT_CHECK_FUNC(strlcpy, [NO_STRLCPY=], [NO_STRLCPY=YesPlease]) AC_SUBST(NO_STRLCPY) # +# Define NO_UINTMAX_T if your platform does not have uintmax_t +AC_CHECK_TYPE(uintmax_t, +[NO_UINTMAX_T=], +[NO_UINTMAX_T=YesPlease],[ +#include <inttypes.h> +]) +AC_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) +# # Define NO_SETENV if you don't have setenv in the C library. -AC_CHECK_FUNC(setenv, +GIT_CHECK_FUNC(setenv, [NO_SETENV=], [NO_SETENV=YesPlease]) AC_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) +# +# 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) +# +# 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) +# +# # Define NO_MMAP if you want to avoid mmap. # # Define NO_ICONV if your libc does not properly support iconv. @@ -254,93 +845,77 @@ AC_SUBST(NO_SETENV) # # Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link. # Enable it on Windows. By default, symrefs are still used. - -## Site configuration (override autodetection) -## --with-PACKAGE[=ARG] and --without-PACKAGE -AC_MSG_NOTICE([CHECKS for site configuration]) -# -# Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability -# tests. These tests take up a significant amount of the total test time -# but are not needed unless you plan to talk to SVN repos. -# -# Define MOZILLA_SHA1 environment variable when running make to make use of -# a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast -# on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default -# choice) has very fast version optimized for i586. -# -# Define PPC_SHA1 environment variable when running make to make use of -# a bundled SHA1 routine optimized for PowerPC. # -# Define ARM_SHA1 environment variable when running make to make use of -# a bundled SHA1 routine optimized for ARM. +# Define NO_PTHREADS if we do not have pthreads. # -# Define NO_OPENSSL environment variable if you do not have OpenSSL. -# This also implies MOZILLA_SHA1. -# -# Define OPENSSLDIR=/foo/bar if your openssl header and library files are in -# /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)) -# -# 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:// -# transports. -# -# Define CURLDIR=/foo/bar if your curl header and library files are in -# /foo/bar/include and /foo/bar/lib directories. -AC_ARG_WITH(curl, -AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)]) -AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]), -GIT_PARSE_WITH(curl)) -# -# Define NO_EXPAT if you do not have expat installed. git-http-push is -# not built, and you cannot push using http:// and https:// transports. -# -# Define EXPATDIR=/foo/bar if your expat header and library files are in -# /foo/bar/include and /foo/bar/lib directories. -AC_ARG_WITH(expat, -AS_HELP_STRING([--with-expat], -[support git-push using http:// and https:// transports via WebDAV (default is YES)]) -AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]), -GIT_PARSE_WITH(expat)) -# -# Define NO_FINK if you are building on Darwin/Mac OS X, have Fink -# installed in /sw, but don't want GIT to link against any libraries -# installed there. If defined you may specify your own (or Fink's) -# include directories and library directories by defining CFLAGS -# and LDFLAGS appropriately. -# -# Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X, -# have DarwinPorts installed in /opt/local, but don't want GIT to -# link against any libraries installed there. If defined you may -# specify your own (or DarwinPort's) include directories and -# library directories by defining CFLAGS and LDFLAGS appropriately. -# -# Define NO_MMAP if you want to avoid mmap. -# -# Define NO_ICONV if your libc does not properly support iconv. -AC_ARG_WITH(iconv, -AS_HELP_STRING([--without-iconv], -[if your architecture doesn't properly support iconv]) -AS_HELP_STRING([--with-iconv=PATH], -[PATH is prefix for libiconv library and headers]) -AS_HELP_STRING([], -[used only if you need linking with libiconv]), -GIT_PARSE_WITH(iconv)) +# Define PTHREAD_LIBS to the linker flag used for Pthread support. +AC_DEFUN([PTHREADTEST_SRC], [ +#include <pthread.h> -## --enable-FEATURE[=ARG] and --disable-FEATURE -# -# Define USE_NSEC below if you want git to care about sub-second file mtimes -# and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and -# it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely -# randomly break unless your underlying filesystem supports those sub-second -# times (my ext3 doesn't). -# -# Define USE_STDEV below if you want git to care about the underlying device -# change being considered an inode change from the update-cache perspective. +int main(void) +{ + pthread_mutex_t test_mutex; + int retcode = 0; + retcode |= pthread_mutex_init(&test_mutex,(void *)0); + retcode |= pthread_mutex_lock(&test_mutex); + retcode |= pthread_mutex_unlock(&test_mutex); + return retcode; +} +]) + +dnl AC_LANG_CONFTEST([AC_LANG_PROGRAM( +dnl [[#include <pthread.h>]], +dnl [[pthread_mutex_t test_mutex;]] +dnl )]) + +NO_PTHREADS=UnfortunatelyYes +PTHREAD_LIBS= + +if test -n "$USER_NOPTHREAD"; then + AC_MSG_NOTICE([Skipping POSIX Threads at user request.]) +# handle these separately since PTHREAD_CFLAGS could be '-lpthreads +# -D_REENTRANT' or some such. +elif test -z "$PTHREAD_CFLAGS"; then + threads_found=no + for opt in -mt -pthread -lpthread; do + old_CFLAGS="$CFLAGS" + CFLAGS="$opt $CFLAGS" + AC_MSG_CHECKING([Checking for POSIX Threads with '$opt']) + AC_LINK_IFELSE(PTHREADTEST_SRC, + [AC_MSG_RESULT([yes]) + NO_PTHREADS= + PTHREAD_LIBS="$opt" + PTHREAD_CFLAGS="$opt" + threads_found=yes + break + ], + [AC_MSG_RESULT([no])]) + CFLAGS="$old_CFLAGS" + done + if test $threads_found != yes; then + AC_CHECK_LIB([pthread], [pthread_create], + [PTHREAD_LIBS="-lpthread"], + [NO_PTHREADS=UnfortunatelyYes]) + fi +else + old_CFLAGS="$CFLAGS" + CFLAGS="$PTHREAD_CFLAGS $CFLAGS" + AC_MSG_CHECKING([Checking for POSIX Threads with '$PTHREAD_CFLAGS']) + AC_LINK_IFELSE(PTHREADTEST_SRC, + [AC_MSG_RESULT([yes]) + NO_PTHREADS= + PTHREAD_LIBS="$PTHREAD_CFLAGS" + ], + [AC_MSG_RESULT([no])]) + + CFLAGS="$old_CFLAGS" +fi + +CFLAGS="$old_CFLAGS" +AC_SUBST(PTHREAD_CFLAGS) +AC_SUBST(PTHREAD_LIBS) +AC_SUBST(NO_PTHREADS) ## Output files AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"]) |