554 lines
18 KiB
Plaintext
554 lines
18 KiB
Plaintext
#***************************************************************************
|
|
# _ _ ____ _
|
|
# Project ___| | | | _ \| |
|
|
# / __| | | | |_) | |
|
|
# | (__| |_| | _ <| |___
|
|
# \___|\___/|_| \_\_____|
|
|
#
|
|
# Copyright (C) 1998 - 2008, Daniel Stenberg, <daniel@haxx.se>, et al.
|
|
#
|
|
# This software is licensed as described in the file COPYING, which
|
|
# you should have received as part of this distribution. The terms
|
|
# are also available at http://curl.haxx.se/docs/copyright.html.
|
|
#
|
|
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
|
|
# copies of the Software, and permit persons to whom the Software is
|
|
# furnished to do so, under the terms of the COPYING file.
|
|
#
|
|
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
# KIND, either express or implied.
|
|
#
|
|
# $Id$
|
|
#***************************************************************************
|
|
|
|
# File version for 'aclocal' use. Keep it a single number.
|
|
# serial 2
|
|
|
|
|
|
dnl CURL_CHECK_COMPILER
|
|
dnl -------------------------------------------------
|
|
dnl Verify if the C compiler being used is known.
|
|
|
|
AC_DEFUN([CURL_CHECK_COMPILER], [
|
|
#
|
|
compiler_id="unknown"
|
|
compiler_num="0"
|
|
#
|
|
flags_dbg_all="unknown"
|
|
flags_dbg_yes="unknown"
|
|
flags_dbg_off="unknown"
|
|
flags_opt_all="unknown"
|
|
flags_opt_yes="unknown"
|
|
flags_opt_off="unknown"
|
|
#
|
|
CURL_CHECK_COMPILER_DEC
|
|
CURL_CHECK_COMPILER_IBM
|
|
CURL_CHECK_COMPILER_INTEL
|
|
CURL_CHECK_COMPILER_GNU
|
|
#
|
|
if test "$compiler_id" = "unknown"; then
|
|
cat <<_EOF 1>&2
|
|
***
|
|
*** Warning: This configure script does not have information about the
|
|
*** compiler you are using, relative to the flags required to enable or
|
|
*** disable generation of debug info, optimization options or warnings.
|
|
***
|
|
*** Whatever settings are present in CFLAGS will be used for this run.
|
|
***
|
|
*** If you wish to help the cURL project to better support your compiler
|
|
*** you can report this and the required info on the libcurl development
|
|
*** mailing list: http://cool.haxx.se/mailman/listinfo/curl-library/
|
|
***
|
|
_EOF
|
|
fi
|
|
])
|
|
|
|
|
|
dnl CURL_CHECK_COMPILER_DEC
|
|
dnl -------------------------------------------------
|
|
dnl Verify if the C compiler being used is DEC's.
|
|
|
|
AC_DEFUN([CURL_CHECK_COMPILER_DEC], [
|
|
AC_MSG_CHECKING([whether we are using the DEC/Compaq C compiler])
|
|
CURL_CHECK_DEF([__DECC], [], [silent])
|
|
CURL_CHECK_DEF([__DECC_VER], [], [silent])
|
|
if test "$curl_cv_have_def___DECC" = "yes" &&
|
|
test "$curl_cv_have_def___DECC_VER" = "yes"; then
|
|
AC_MSG_RESULT([yes])
|
|
compiler_id="DECC"
|
|
flags_dbg_all="-g -g0 -g1 -g2 -g3"
|
|
flags_dbg_yes="-g2"
|
|
flags_dbg_off="-g0"
|
|
flags_opt_all="-O -O0 -O1 -O2 -O3 -O4"
|
|
flags_opt_yes="-O1"
|
|
flags_opt_off="-O0"
|
|
else
|
|
AC_MSG_RESULT([no])
|
|
fi
|
|
])
|
|
|
|
|
|
dnl CURL_CHECK_COMPILER_GNU
|
|
dnl -------------------------------------------------
|
|
dnl Verify if the C compiler being used is GNU's.
|
|
|
|
AC_DEFUN([CURL_CHECK_COMPILER_GNU], [
|
|
AC_REQUIRE([CURL_CHECK_COMPILER_INTEL])dnl
|
|
#
|
|
AC_MSG_CHECKING([whether we are using the GNU C compiler])
|
|
CURL_CHECK_DEF([__GNUC__], [], [silent])
|
|
if test "$curl_cv_have_def___GNUC__" = "yes" &&
|
|
test "$compiler_id" = "unknown"; then
|
|
AC_MSG_RESULT([yes])
|
|
compiler_id="GNUC"
|
|
gccver=`$CC -dumpversion`
|
|
gccvhi=`echo $gccver | cut -d . -f1`
|
|
gccvlo=`echo $gccver | cut -d . -f2`
|
|
compiler_num=`(expr $gccvhi "*" 100 + $gccvlo) 2>/dev/null`
|
|
flags_dbg_all="-g -g0 -g1 -g2 -g3"
|
|
flags_dbg_all="$flags_dbg_all -ggdb"
|
|
flags_dbg_all="$flags_dbg_all -gstabs"
|
|
flags_dbg_all="$flags_dbg_all -gstabs+"
|
|
flags_dbg_all="$flags_dbg_all -gcoff"
|
|
flags_dbg_all="$flags_dbg_all -gxcoff"
|
|
flags_dbg_all="$flags_dbg_all -gdwarf-2"
|
|
flags_dbg_all="$flags_dbg_all -gvms"
|
|
flags_dbg_yes="-g"
|
|
flags_dbg_off="-g0"
|
|
flags_opt_all="-O -O0 -O1 -O2 -O3 -Os"
|
|
flags_opt_yes="-O2"
|
|
flags_opt_off="-O0"
|
|
else
|
|
AC_MSG_RESULT([no])
|
|
fi
|
|
])
|
|
|
|
|
|
dnl CURL_CHECK_COMPILER_IBM
|
|
dnl -------------------------------------------------
|
|
dnl Verify if the C compiler being used is IBM's.
|
|
|
|
AC_DEFUN([CURL_CHECK_COMPILER_IBM], [
|
|
AC_MSG_CHECKING([whether we are using the IBM C compiler])
|
|
CURL_CHECK_DEF([__IBMC__], [], [silent])
|
|
if test "$curl_cv_have_def___IBMC__" = "yes"; then
|
|
AC_MSG_RESULT([yes])
|
|
compiler_id="IBMC"
|
|
flags_dbg_all="-g -g0 -g1 -g2 -g3"
|
|
flags_dbg_yes="-g"
|
|
flags_dbg_off=""
|
|
flags_opt_all="-O -O0 -O1 -O2 -O3 -O4 -O5"
|
|
flags_opt_all="$flags_opt_all -qnooptimize"
|
|
flags_opt_all="$flags_opt_all -qoptimize=0"
|
|
flags_opt_all="$flags_opt_all -qoptimize=1"
|
|
flags_opt_all="$flags_opt_all -qoptimize=2"
|
|
flags_opt_all="$flags_opt_all -qoptimize=3"
|
|
flags_opt_all="$flags_opt_all -qoptimize=4"
|
|
flags_opt_all="$flags_opt_all -qoptimize=5"
|
|
flags_opt_yes="-O2"
|
|
flags_opt_off="-qnooptimize"
|
|
else
|
|
AC_MSG_RESULT([no])
|
|
fi
|
|
])
|
|
|
|
|
|
dnl CURL_CHECK_COMPILER_INTEL
|
|
dnl -------------------------------------------------
|
|
dnl Verify if the C compiler being used is Intel's.
|
|
|
|
AC_DEFUN([CURL_CHECK_COMPILER_INTEL], [
|
|
AC_BEFORE([$0],[CURL_CHECK_COMPILER_GNU])dnl
|
|
AC_MSG_CHECKING([whether we are using the Intel C compiler])
|
|
CURL_CHECK_DEF([__INTEL_COMPILER], [], [silent])
|
|
if test "$curl_cv_have_def___INTEL_COMPILER" = "yes"; then
|
|
AC_MSG_RESULT([yes])
|
|
CURL_CHECK_DEF([__unix__], [], [silent])
|
|
if test "$curl_cv_have_def___unix__" = "yes"; then
|
|
compiler_id="ICC_unix"
|
|
flags_dbg_all="-g -g0"
|
|
flags_dbg_yes="-g"
|
|
flags_dbg_off="-g0"
|
|
flags_opt_all="-O -O0 -O1 -O2 -O3 -Os"
|
|
flags_opt_yes="-O2"
|
|
flags_opt_off="-O0"
|
|
else
|
|
compiler_id="ICC_windows"
|
|
flags_dbg_all="/ZI /Zi /zI /zi /ZD /Zd /zD /zd /Z7 /z7 /Oy /Oy-"
|
|
flags_dbg_all="$flags_dbg_all /debug"
|
|
flags_dbg_all="$flags_dbg_all /debug:none"
|
|
flags_dbg_all="$flags_dbg_all /debug:minimal"
|
|
flags_dbg_all="$flags_dbg_all /debug:partial"
|
|
flags_dbg_all="$flags_dbg_all /debug:full"
|
|
flags_dbg_all="$flags_dbg_all /debug:semantic_stepping"
|
|
flags_dbg_all="$flags_dbg_all /debug:extended"
|
|
flags_dbg_yes="/Zi /Oy-"
|
|
flags_dbg_off="/debug:none /Oy-"
|
|
flags_opt_all="/O /O0 /O1 /O2 /O3 /Od /Og /Og- /Oi /Oi-"
|
|
flags_opt_yes="/O2"
|
|
flags_opt_off="/Od"
|
|
fi
|
|
compiler_num="$curl_cv_def___INTEL_COMPILER"
|
|
else
|
|
AC_MSG_RESULT([no])
|
|
fi
|
|
])
|
|
|
|
|
|
dnl CURL_SET_COMPILER_BASIC_OPTS
|
|
dnl -------------------------------------------------
|
|
dnl Sets compiler specific options/flags which do not
|
|
dnl depend on configure's debug, optimize or warnings
|
|
dnl options.
|
|
|
|
AC_DEFUN([CURL_SET_COMPILER_BASIC_OPTS], [
|
|
AC_REQUIRE([CURL_CHECK_COMPILER])dnl
|
|
#
|
|
if test "$compiler_id" = "DECC"; then
|
|
dnl Select strict ANSI C compiler mode
|
|
CFLAGS="$CFLAGS -std1"
|
|
dnl Turn off optimizer ANSI C aliasing rules
|
|
CFLAGS="$CFLAGS -noansi_alias"
|
|
dnl Generate warnings for missing function prototypes
|
|
CFLAGS="$CFLAGS -warnprotos"
|
|
dnl Change some warnings into fatal errors
|
|
CFLAGS="$CFLAGS -msg_fatal toofewargs,toomanyargs"
|
|
fi
|
|
#
|
|
if test "$compiler_id" = "IBMC"; then
|
|
dnl Ensure that compiler optimizations are always thread-safe.
|
|
CFLAGS="$CFLAGS -qthreaded"
|
|
dnl Disable type based strict aliasing optimizations, using worst
|
|
dnl case aliasing assumptions when compiling. Type based aliasing
|
|
dnl would restrict the lvalues that could be safely used to access
|
|
dnl a data object.
|
|
CFLAGS="$CFLAGS -qnoansialias"
|
|
dnl Force compiler to stop after the compilation phase, without
|
|
dnl generating an object code file when compilation has errors.
|
|
CFLAGS="$CFLAGS -qhalt=e"
|
|
fi
|
|
#
|
|
if test "$compiler_id" = "ICC_unix"; then
|
|
dnl On unix this compiler uses gcc's header files, so
|
|
dnl we select ANSI C89 dialect plus GNU extensions.
|
|
CPPFLAGS="$CPPFLAGS -std=gnu89"
|
|
dnl Change some warnings into errors
|
|
dnl #140: too many arguments in function call
|
|
dnl #147: declaration is incompatible with 'previous one'
|
|
dnl #165: too few arguments in function call
|
|
dnl #266: function declared implicitly
|
|
CPPFLAGS="$CPPFLAGS -we 140,147,165,266"
|
|
dnl Disable some remarks
|
|
dnl #279: controlling expression is constant
|
|
dnl #981: operands are evaluated in unspecified order
|
|
dnl #1469: "cc" clobber ignored
|
|
if test "$compiler_num" -lt "910"; then
|
|
CPPFLAGS="$CPPFLAGS -wd 279"
|
|
fi
|
|
CPPFLAGS="$CPPFLAGS -wd 981,1469"
|
|
dnl Disable use of ANSI C aliasing rules in optimizations
|
|
CFLAGS="$CFLAGS -no-ansi-alias"
|
|
dnl Disable floating point optimizations
|
|
CFLAGS="$CFLAGS -fp-model precise"
|
|
fi
|
|
])
|
|
|
|
|
|
dnl CURL_SET_COMPILER_DEBUG_OPTS
|
|
dnl -------------------------------------------------
|
|
dnl Sets compiler specific options/flags which depend
|
|
dnl on configure's debug option.
|
|
|
|
AC_DEFUN([CURL_SET_COMPILER_DEBUG_OPTS], [
|
|
AC_REQUIRE([CURL_CHECK_OPTION_DEBUG])dnl
|
|
AC_REQUIRE([CURL_CHECK_COMPILER])dnl
|
|
#
|
|
if test "$compiler_id" != "unknown"; then
|
|
#
|
|
ac_save_CFLAGS="$CFLAGS"
|
|
ac_save_CPPFLAGS="$CPPFLAGS"
|
|
#
|
|
honor_debug_option="yes"
|
|
CURL_VAR_STRIP([CFLAGS],[${flags_dbg_all}])
|
|
CURL_VAR_STRIP([CPPFLAGS],[${flags_dbg_all}])
|
|
if test "$want_debug" = "yes"; then
|
|
CFLAGS="$CFLAGS $flags_dbg_yes"
|
|
AC_MSG_CHECKING([if compiler accepts debug enabling flags $flags_dbg_yes])
|
|
fi
|
|
if test "$want_debug" = "no"; then
|
|
CFLAGS="$CFLAGS $flags_dbg_off"
|
|
AC_MSG_CHECKING([if compiler accepts debug disabling flags $flags_dbg_off])
|
|
fi
|
|
AC_COMPILE_IFELSE([
|
|
AC_LANG_PROGRAM([[
|
|
]],[[
|
|
int i = 1;
|
|
return i;
|
|
]])
|
|
],[
|
|
AC_MSG_RESULT([yes])
|
|
],[
|
|
AC_MSG_RESULT([no])
|
|
honor_debug_option="no"
|
|
])
|
|
#
|
|
if test "$honor_debug_option" = "no"; then
|
|
CFLAGS="$ac_save_CFLAGS"
|
|
CPPFLAGS="$ac_save_CPPFLAGS"
|
|
fi
|
|
#
|
|
fi
|
|
])
|
|
|
|
|
|
dnl CURL_SET_COMPILER_OPTIMIZE_OPTS
|
|
dnl -------------------------------------------------
|
|
dnl Sets compiler specific options/flags which depend
|
|
dnl on configure's optimize option.
|
|
|
|
AC_DEFUN([CURL_SET_COMPILER_OPTIMIZE_OPTS], [
|
|
AC_REQUIRE([CURL_CHECK_OPTION_OPTIMIZE])dnl
|
|
AC_REQUIRE([CURL_CHECK_COMPILER])dnl
|
|
#
|
|
if test "$compiler_id" != "unknown"; then
|
|
#
|
|
ac_save_CFLAGS="$CFLAGS"
|
|
ac_save_CPPFLAGS="$CPPFLAGS"
|
|
#
|
|
dnl If optimization request setting has not been explicitly specified,
|
|
dnl it has been derived from the debug setting and initially assumed.
|
|
dnl This initially assumed optimizer setting will finally be ignored
|
|
dnl if CFLAGS or CPPFLAGS already hold optimizer flags. This implies
|
|
dnl that an initially assumed optimizer setting might not be honored.
|
|
#
|
|
honor_optimize_option="yes"
|
|
if test "$want_optimize" = "assume_no" ||
|
|
test "$want_optimize" = "assume_yes"; then
|
|
AC_MSG_CHECKING([if compiler optimizer assumed setting might be used])
|
|
CURL_VAR_MATCH_IFELSE([CFLAGS],[${flags_opt_all}],[
|
|
honor_optimize_option="no"
|
|
])
|
|
CURL_VAR_MATCH_IFELSE([CPPFLAGS],[${flags_opt_all}],[
|
|
honor_optimize_option="no"
|
|
])
|
|
AC_MSG_RESULT([$honor_optimize_option])
|
|
if test "$honor_optimize_option" = "yes"; then
|
|
if test "$want_optimize" = "assume_yes"; then
|
|
want_optimize="yes"
|
|
fi
|
|
if test "$want_optimize" = "assume_no"; then
|
|
want_optimize="no"
|
|
fi
|
|
fi
|
|
fi
|
|
#
|
|
if test "$honor_optimize_option" = "yes"; then
|
|
CURL_VAR_STRIP([CFLAGS],[${flags_opt_all}])
|
|
CURL_VAR_STRIP([CPPFLAGS],[${flags_opt_all}])
|
|
if test "$want_optimize" = "yes"; then
|
|
CFLAGS="$CFLAGS $flags_opt_yes"
|
|
AC_MSG_CHECKING([if compiler accepts optimizer enabling flags $flags_opt_yes])
|
|
fi
|
|
if test "$want_optimize" = "no"; then
|
|
CFLAGS="$CFLAGS $flags_opt_off"
|
|
AC_MSG_CHECKING([if compiler accepts optimizer disabling flags $flags_opt_off])
|
|
fi
|
|
AC_COMPILE_IFELSE([
|
|
AC_LANG_PROGRAM([[
|
|
]],[[
|
|
int i = 1;
|
|
return i;
|
|
]])
|
|
],[
|
|
AC_MSG_RESULT([yes])
|
|
],[
|
|
AC_MSG_RESULT([no])
|
|
honor_optimize_option="no"
|
|
])
|
|
fi
|
|
#
|
|
if test "$honor_optimize_option" = "no"; then
|
|
CFLAGS="$ac_save_CFLAGS"
|
|
CPPFLAGS="$ac_save_CPPFLAGS"
|
|
fi
|
|
#
|
|
fi
|
|
])
|
|
|
|
|
|
dnl CURL_SET_COMPILER_WARNING_OPTS
|
|
dnl -------------------------------------------------
|
|
dnl Sets compiler options/flags which depend on
|
|
dnl configure's warnings given option.
|
|
|
|
AC_DEFUN([CURL_SET_COMPILER_WARNING_OPTS], [
|
|
AC_REQUIRE([CURL_CHECK_OPTION_WARNINGS])dnl
|
|
AC_REQUIRE([CURL_CHECK_COMPILER])dnl
|
|
#
|
|
if test "$compiler_id" = "DECC"; then
|
|
if test "$want_warnings" = "yes"; then
|
|
dnl Select a higher warning level than default level2
|
|
CFLAGS="$CFLAGS -msg_enable level3"
|
|
fi
|
|
fi
|
|
#
|
|
if test "$compiler_id" = "ICC_unix"; then
|
|
if test "$want_warnings" = "yes"; then
|
|
if test "$compiler_num" -gt "600"; then
|
|
dnl Show errors, warnings, and remarks
|
|
CPPFLAGS="$CPPFLAGS -Wall"
|
|
dnl Perform extra compile-time code checking
|
|
CPPFLAGS="$CPPFLAGS -Wcheck"
|
|
fi
|
|
fi
|
|
fi
|
|
#
|
|
if test "$compiler_id" = "GNUC"; then
|
|
#
|
|
# FIXME: Some of these warnings should be changed into errors
|
|
# and moved to CURL-SET-COMPILER-BASIC-OPTS
|
|
#
|
|
if test "$want_warnings" = "yes"; then
|
|
dnl this is a set of options we believe *ALL* gcc versions support:
|
|
WARN="-W -Wall -Wwrite-strings -pedantic -Wpointer-arith -Wnested-externs -Winline -Wmissing-prototypes"
|
|
dnl -Wcast-align is a bit too annoying on all gcc versions ;-)
|
|
if test "$compiler_num" -ge "207"; then
|
|
dnl gcc 2.7 or later
|
|
WARN="$WARN -Wmissing-declarations"
|
|
fi
|
|
if test "$compiler_num" -gt "295"; then
|
|
dnl only if the compiler is newer than 2.95 since we got lots of
|
|
dnl "`_POSIX_C_SOURCE' is not defined" in system headers with
|
|
dnl gcc 2.95.4 on FreeBSD 4.9!
|
|
WARN="$WARN -Wundef -Wno-long-long -Wsign-compare -Wshadow -Wno-multichar"
|
|
fi
|
|
if test "$compiler_num" -ge "296"; then
|
|
dnl gcc 2.96 or later
|
|
WARN="$WARN -Wfloat-equal"
|
|
fi
|
|
if test "$compiler_num" -gt "296"; then
|
|
dnl this option does not exist in 2.96
|
|
WARN="$WARN -Wno-format-nonliteral"
|
|
fi
|
|
dnl -Wunreachable-code seems totally unreliable on my gcc 3.3.2 on
|
|
dnl on i686-Linux as it gives us heaps with false positives.
|
|
dnl Also, on gcc 4.0.X it is totally unbearable and complains all
|
|
dnl over making it unusable for generic purposes. Let's not use it.
|
|
if test "$compiler_num" -ge "303"; then
|
|
dnl gcc 3.3 and later
|
|
WARN="$WARN -Wendif-labels -Wstrict-prototypes"
|
|
fi
|
|
if test "$compiler_num" -ge "304"; then
|
|
# try these on gcc 3.4
|
|
WARN="$WARN -Wdeclaration-after-statement"
|
|
fi
|
|
for flag in $CPPFLAGS; do
|
|
case "$flag" in
|
|
-I*)
|
|
dnl Include path, provide a -isystem option for the same dir
|
|
dnl to prevent warnings in those dirs. The -isystem was not very
|
|
dnl reliable on earlier gcc versions.
|
|
add=`echo $flag | sed 's/^-I/-isystem /g'`
|
|
WARN="$WARN $add"
|
|
;;
|
|
esac
|
|
done
|
|
CFLAGS="$CFLAGS $WARN"
|
|
AC_MSG_NOTICE([Added this set of compiler options: $WARN])
|
|
fi
|
|
fi
|
|
#
|
|
])
|
|
|
|
|
|
dnl CURL_PROCESS_DEBUG_BUILD_OPTS
|
|
dnl -------------------------------------------------
|
|
dnl Settings which depend on configure's debug given
|
|
dnl option, and further configure the build process.
|
|
dnl Don't use this macro for compiler dependant stuff.
|
|
|
|
AC_DEFUN([CURL_PROCESS_DEBUG_BUILD_OPTS], [
|
|
AC_REQUIRE([CURL_CHECK_OPTION_DEBUG])dnl
|
|
AC_BEFORE([$0],[AC_PROG_LIBTOOL])dnl
|
|
#
|
|
if test "$want_debug" = "yes"; then
|
|
CPPFLAGS="$CPPFLAGS -DCURLDEBUG"
|
|
fi
|
|
#
|
|
])
|
|
|
|
|
|
dnl CURL_CHECK_PROG_CC
|
|
dnl -------------------------------------------------
|
|
dnl Check for compiler program, preventing CFLAGS and
|
|
dnl CPPFLAGS from being unexpectedly changed.
|
|
|
|
AC_DEFUN([CURL_CHECK_PROG_CC], [
|
|
ac_save_CFLAGS="$CFLAGS"
|
|
ac_save_CPPFLAGS="$CPPFLAGS"
|
|
AC_PROG_CC
|
|
CFLAGS="$ac_save_CFLAGS"
|
|
CPPFLAGS="$ac_save_CPPFLAGS"
|
|
])
|
|
|
|
|
|
dnl CURL_VAR_MATCH (VARNAME, VALUE)
|
|
dnl -------------------------------------------------
|
|
dnl Verifies if shell variable VARNAME contains VALUE.
|
|
dnl Contents of variable VARNAME and VALUE are handled
|
|
dnl as whitespace separated lists of words. If at least
|
|
dnl one word of VALUE is present in VARNAME the match
|
|
dnl is considered positive, otherwise false.
|
|
|
|
AC_DEFUN([CURL_VAR_MATCH], [
|
|
ac_var_match_word="no"
|
|
for word1 in "${[$1]}"; do
|
|
for word2 in "[$2]"; do
|
|
if test "$word1" = "$word2"; then
|
|
ac_var_match_word="yes"
|
|
fi
|
|
done
|
|
done
|
|
])
|
|
|
|
|
|
dnl CURL_VAR_MATCH_IFELSE (VARNAME, VALUE,
|
|
dnl [ACTION-IF-MATCH], [ACTION-IF-NOT-MATCH])
|
|
dnl -------------------------------------------------
|
|
dnl This performs a CURL_VAR_MATCH check and executes
|
|
dnl first branch if the match is positive, otherwise
|
|
dnl the second branch is executed.
|
|
|
|
AC_DEFUN([CURL_VAR_MATCH_IFELSE], [
|
|
CURL_VAR_MATCH([$1],[$2])
|
|
if test "$ac_var_match_word" = "yes"; then
|
|
ifelse($3,,:,[$3])
|
|
ifelse($4,,,[else
|
|
[$4]])
|
|
fi
|
|
])
|
|
|
|
|
|
dnl CURL_VAR_STRIP (VARNAME, VALUE)
|
|
dnl -------------------------------------------------
|
|
dnl Contents of variable VARNAME and VALUE are handled
|
|
dnl as whitespace separated lists of words. Each word
|
|
dnl from VALUE is removed from VARNAME when present.
|
|
|
|
AC_DEFUN([CURL_VAR_STRIP], [
|
|
ac_var_stripped=""
|
|
for word1 in "${[$1]}"; do
|
|
ac_var_strip_word="no"
|
|
for word2 in "[$2]"; do
|
|
if test "$word1" = "$word2"; then
|
|
ac_var_strip_word="yes"
|
|
fi
|
|
done
|
|
if test "$ac_var_strip_word" = "no"; then
|
|
ac_var_stripped="$ac_var_stripped $word1"
|
|
fi
|
|
done
|
|
dnl squeeze whitespace out of result
|
|
[$1]=`eval echo $ac_var_stripped`
|
|
])
|