diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 529 |
1 files changed, 370 insertions, 159 deletions
diff --git a/configure.ac b/configure.ac index 914ae5759f..4e9012f49b 100644 --- a/configure.ac +++ b/configure.ac @@ -1,65 +1,55 @@ # -*- 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 - -echo "# ${config_append}. Generated by configure." > "${config_append}" - +## Definitions of private macros. -## 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 -# + [echo "$1" >> "${config_append}"]) + # 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([$1]))dnl + PROGRAM=GIT_UC_PROGRAM + if test "$withval" = "no"; then + if test -n "$2"; then + GIT_UC_PROGRAM[]_PATH=$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-$1=PATH]) + else + GIT_UC_PROGRAM[]_PATH=$withval + AC_MSG_NOTICE([Setting GIT_UC_PROGRAM[]_PATH to $withval]) + GIT_CONF_APPEND_LINE(${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 +57,22 @@ 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([$1]))dnl + PACKAGE=GIT_UC_PACKAGE + if test "$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 $withval]) + GIT_CONF_APPEND_LINE(${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 +81,32 @@ 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_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. +# +# 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 +127,36 @@ 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_append=config.mak.append +config_in=config.mak.in + +echo "# ${config_append}. Generated by configure." > "${config_append}" + +# 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_APPEND_LINE([SANE_TOOL_PATH=$withval])], + [# If the "--with-sane-tool-path" option was not given, don't touch + # SANE_TOOL_PATH here, but let defaults in Makefile take care of it. + # This should minimize spurious differences in the behaviour of the + # Git build system when configure is used w.r.t. when it is not. + :]) + ## Site configuration related to programs (before tests) ## --with-PACKAGE[=ARG] and --without-PACKAGE # @@ -144,14 +164,13 @@ fi AC_ARG_WITH([lib], [AS_HELP_STRING([--with-lib=ARG], [ARG specifies alternative name for lib directory])], - [if test "$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_APPEND_LINE(lib=$withval) + fi]) if test -z "$lib"; then AC_MSG_NOTICE([Setting lib to 'lib' (the default)]) @@ -179,6 +198,26 @@ 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]) @@ -197,8 +236,28 @@ 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. +# +# Define LIBPCREDIR=/foo/bar if your libpcre header and library files are in +# /foo/bar/include and /foo/bar/lib directories. +# +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) # # 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:// @@ -262,7 +321,15 @@ GIT_PARSE_WITH(iconv)) 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 + If VALUE is not fully qualified it will be interpreted + as a path relative to the computed prefix at runtime.) + +# +# Allow user to set ETC_GITATTRIBUTES variable +GIT_PARSE_WITH_SET_MAKE_VAR(gitattributes, ETC_GITATTRIBUTES, + Use VALUE instead of /etc/gitattributes as the + global git attributes file. + If VALUE is not fully qualified it will be interpreted as a path relative to the computed prefix at runtime.) # @@ -298,7 +365,7 @@ 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)) # @@ -307,11 +374,17 @@ GIT_PARSE_WITH(tcltk)) 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]) + 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 @@ -320,7 +393,7 @@ 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]) + 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 @@ -329,7 +402,7 @@ 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]) + 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 @@ -342,6 +415,7 @@ fi #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 "$NO_TCLTK"; then @@ -364,20 +438,13 @@ if test -n "$ASCIIDOC"; then 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([${asciidoc_version} (unknown)]) ;; esac fi -AC_SUBST(ASCIIDOC8) ## Checks for libraries. @@ -400,6 +467,25 @@ AC_SUBST(NEEDS_SSL_WITH_CRYPTO) AC_SUBST(NO_OPENSSL) # +# Define USE_LIBPCRE if you have and want to use libpcre. git-grep will be +# able to use Perl-compatible regular expressions. +# + +if test -n "$USE_LIBPCRE"; then + +GIT_STASH_FLAGS($LIBPCREDIR) + +AC_CHECK_LIB([pcre], [pcre_version], +[USE_LIBPCRE=YesPlease], +[USE_LIBPCRE=]) + +GIT_UNSTASH_FLAGS($LIBPCREDIR) + +AC_SUBST(USE_LIBPCRE) + +fi + +# # 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. @@ -437,15 +523,9 @@ if test -z "$NO_ICONV"; then GIT_STASH_FLAGS($ICONVDIR) -AC_DEFUN([ICONVTEST_SRC], [ -#include <iconv.h> - -int main(void) -{ - iconv_open("", ""); - return 0; -} -]) +AC_DEFUN([ICONVTEST_SRC], +[AC_LANG_PROGRAM([#include <iconv.h>], + [iconv_open("", "");])]) if test -n "$ICONVDIR"; then lib_order="-liconv -lc" @@ -465,7 +545,7 @@ for l in $lib_order; do old_LIBS="$LIBS" LIBS="$LIBS $l" AC_MSG_CHECKING([for iconv in $l]) - AC_LINK_IFELSE(ICONVTEST_SRC, + AC_LINK_IFELSE([ICONVTEST_SRC], [AC_MSG_RESULT([yes]) NO_ICONV= break], @@ -493,18 +573,12 @@ fi GIT_STASH_FLAGS($ZLIB_PATH) AC_DEFUN([ZLIBTEST_SRC], [ -#include <zlib.h> - -int main(void) -{ - deflateBound(0, 0); - return 0; -} -]) +AC_LANG_PROGRAM([#include <zlib.h>], + [deflateBound(0, 0);])]) AC_MSG_CHECKING([for deflateBound in -lz]) old_LIBS="$LIBS" LIBS="$LIBS -lz" -AC_LINK_IFELSE(ZLIBTEST_SRC, +AC_LINK_IFELSE([ZLIBTEST_SRC], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]) NO_DEFLATE_BOUND=yes]) @@ -524,13 +598,47 @@ AC_SUBST(NEEDS_SOCKET) test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket" # -# Define NEEDS_RESOLV if linking with -lnsl and/or -lsocket is not enough. -# Notably on Solaris hstrerror resides in libresolv and on Solaris 7 -# inet_ntop and inet_pton additionally reside there. -AC_CHECK_LIB([c], [hstrerror], -[NEEDS_RESOLV=], -[NEEDS_RESOLV=YesPlease]) +# 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], @@ -539,6 +647,23 @@ AC_CHECK_LIB([c], [basename], AC_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) + +# +# Define NO_GETTEXT if you don't want Git output to be translated. +# A translated Git requires GNU libintl or another gettext implementation +AC_CHECK_HEADER([libintl.h], +[NO_GETTEXT=], +[NO_GETTEXT=YesPlease]) +AC_SUBST(NO_GETTEXT) + +if test -z "$NO_GETTEXT"; then + test -n "$LIBC_CONTAINS_LIBINTL" || LIBS="$LIBS -lintl" +fi + ## Checks for header files. AC_MSG_NOTICE([CHECKS for header files]) # @@ -548,25 +673,33 @@ AC_CHECK_HEADER([sys/select.h], [NO_SYS_SELECT_H=UnfortunatelyYes]) AC_SUBST(NO_SYS_SELECT_H) # +# Define NO_SYS_POLL_H if you don't have sys/poll.h +AC_CHECK_HEADER([sys/poll.h], +[NO_SYS_POLL_H=], +[NO_SYS_POLL_H=UnfortunatelyYes]) +AC_SUBST(NO_SYS_POLL_H) +# +# Define NO_INTTYPES_H if you don't have inttypes.h +AC_CHECK_HEADER([inttypes.h], +[NO_INTTYPES_H=], +[NO_INTTYPES_H=UnfortunatelyYes]) +AC_SUBST(NO_INTTYPES_H) +# # Define OLD_ICONV if your library has an old iconv(), where the second # (input buffer pointer) parameter is declared with type (const char **). -AC_DEFUN([OLDICONVTEST_SRC], [[ +AC_DEFUN([OLDICONVTEST_SRC], [ +AC_LANG_PROGRAM([[ #include <iconv.h> extern size_t iconv(iconv_t cd, char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft); - -int main(void) -{ - return 0; -} -]]) +]], [])]) GIT_STASH_FLAGS($ICONVDIR) AC_MSG_CHECKING([for old iconv()]) -AC_COMPILE_IFELSE(OLDICONVTEST_SRC, +AC_COMPILE_IFELSE([OLDICONVTEST_SRC], [AC_MSG_RESULT([no])], [AC_MSG_RESULT([yes]) OLD_ICONV=UnfortunatelyYes]) @@ -578,6 +711,12 @@ 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=], @@ -615,29 +754,26 @@ AC_CHECK_TYPE([struct addrinfo],[ ]) AC_SUBST(NO_IPV6) # -# Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.) -# do not support the 'size specifiers' introduced by C99, namely ll, hh, -# j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t). -# some C compilers supported these specifiers prior to C99 as an extension. -AC_CACHE_CHECK([whether formatted IO functions support C99 size specifiers], - [ac_cv_c_c99_format], -[# Actually git uses only %z (%zu) in alloc.c, and %t (%td) in mktag.c -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) - return 1; - else if (strcmp(buf, "12345")) - return 2;]])], - [ac_cv_c_c99_format=yes], - [ac_cv_c_c99_format=no]) +# 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], + [ac_cv_c_excellent_regex], [ +AC_EGREP_CPP(yippeeyeswehaveit, + AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT +#include <regex.h> +], +[#ifdef REG_STARTEND +yippeeyeswehaveit +#endif +]), + [ac_cv_c_excellent_regex=yes], + [ac_cv_c_excellent_regex=no]) ]) -if test $ac_cv_c_c99_format = no; then - NO_C99_FORMAT=YesPlease +if test $ac_cv_c_excellent_regex = yes; then + NO_REGEX= else - NO_C99_FORMAT= + NO_REGEX=YesPlease fi -AC_SUBST(NO_C99_FORMAT) +AC_SUBST(NO_REGEX) # # Define FREAD_READS_DIRECTORIES if your are on a system which succeeds # when attempting to read from an fopen'ed directory. @@ -704,12 +840,68 @@ AC_CHECK_HEADER([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 HAVE_LIBCHARSET_H if have libcharset.h +AC_CHECK_HEADER([libcharset.h], +[HAVE_LIBCHARSET_H=YesPlease], +[HAVE_LIBCHARSET_H=]) +AC_SUBST(HAVE_LIBCHARSET_H) +# Define CHARSET_LIB if libiconv does not export the locale_charset symbol +# and libcharset does +CHARSET_LIB= +AC_CHECK_LIB([iconv], [locale_charset], + [], + [AC_CHECK_LIB([charset], [locale_charset], + [CHARSET_LIB=-lcharset]) + ] +) +AC_SUBST(CHARSET_LIB) +# # 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 $ac_cv_c_excellent_fnmatch = yes; then + NO_FNMATCH_CASEFOLD= +else + NO_FNMATCH_CASEFOLD=YesPlease +fi +AC_SUBST(NO_FNMATCH_CASEFOLD) +# # Define NO_MEMMEM if you don't have memmem. GIT_CHECK_FUNC(memmem, [NO_MEMMEM=], @@ -760,6 +952,12 @@ GIT_CHECK_FUNC(mkstemps, [NO_MKSTEMPS=YesPlease]) AC_SUBST(NO_MKSTEMPS) # +# Define NO_INITGROUPS if you don't have initgroups in the C library. +GIT_CHECK_FUNC(initgroups, +[NO_INITGROUPS=], +[NO_INITGROUPS=YesPlease]) +AC_SUBST(NO_INITGROUPS) +# # # Define NO_MMAP if you want to avoid mmap. # @@ -777,14 +975,18 @@ AC_SUBST(NO_MKSTEMPS) # # Define PTHREAD_LIBS to the linker flag used for Pthread support. AC_DEFUN([PTHREADTEST_SRC], [ +AC_LANG_PROGRAM([[ #include <pthread.h> - -int main(void) -{ +]], [[ pthread_mutex_t test_mutex; - return (0); -} -]) + pthread_key_t test_key; + int retcode = 0; + retcode |= pthread_key_create(&test_key, (void *)0); + retcode |= pthread_mutex_init(&test_mutex,(void *)0); + retcode |= pthread_mutex_lock(&test_mutex); + retcode |= pthread_mutex_unlock(&test_mutex); + return retcode; +]])]) dnl AC_LANG_CONFTEST([AC_LANG_PROGRAM( dnl [[#include <pthread.h>]], @@ -799,24 +1001,32 @@ if test -n "$USER_NOPTHREAD"; then # handle these separately since PTHREAD_CFLAGS could be '-lpthreads # -D_REENTRANT' or some such. elif test -z "$PTHREAD_CFLAGS"; then - for opt in -pthread -lpthread; do + threads_found=no + for opt in -mt -pthread -lpthread; do old_CFLAGS="$CFLAGS" CFLAGS="$opt $CFLAGS" AC_MSG_CHECKING([Checking for POSIX Threads with '$opt']) - AC_LINK_IFELSE(PTHREADTEST_SRC, + AC_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_LINK_IFELSE([PTHREADTEST_SRC], [AC_MSG_RESULT([yes]) NO_PTHREADS= PTHREAD_LIBS="$PTHREAD_CFLAGS" @@ -828,6 +1038,7 @@ fi CFLAGS="$old_CFLAGS" +AC_SUBST(PTHREAD_CFLAGS) AC_SUBST(PTHREAD_LIBS) AC_SUBST(NO_PTHREADS) |