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Diffstat (limited to 'lib/megaco/configure.in')
| -rw-r--r-- | lib/megaco/configure.in | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/lib/megaco/configure.in b/lib/megaco/configure.in new file mode 100644 index 0000000000..297d618369 --- /dev/null +++ b/lib/megaco/configure.in @@ -0,0 +1,262 @@ +dnl Process this file with autoconf to produce a configure script. -*-m4-*- +dnl +dnl %CopyrightBegin% +dnl +dnl Copyright Ericsson AB 2001-2009. All Rights Reserved. +dnl +dnl The contents of this file are subject to the Erlang Public License, +dnl Version 1.1, (the "License"); you may not use this file except in +dnl compliance with the License. You should have received a copy of the +dnl Erlang Public License along with this software. If not, it can be +dnl retrieved online at http://www.erlang.org/. +dnl +dnl Software distributed under the License is distributed on an "AS IS" +dnl basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +dnl the License for the specific language governing rights and limitations +dnl under the License. +dnl +dnl %CopyrightEnd% +dnl + +dnl define([AC_CACHE_LOAD], )dnl +dnl define([AC_CACHE_SAVE], )dnl + +if test "x$no_recursion" != "xyes" -a "x$OVERRIDE_CONFIG_CACHE" = "x"; then + # We do not want to use a common cache! + cache_file=/dev/null +fi + +AC_INIT(vsn.mk) + +if test -z "$ERL_TOP" || test ! -d $ERL_TOP ; then + AC_CONFIG_AUX_DIRS(autoconf) +else + erl_top=${ERL_TOP} + AC_CONFIG_AUX_DIRS($erl_top/erts/autoconf) +fi + +if test "X$host" != "Xfree_source" -a "X$host" != "Xwin32"; then + AC_CANONICAL_HOST +else + host_os=win32 +fi + + +dnl ---------------------------------------------------------------------- +dnl Checks for programs. +dnl ---------------------------------------------------------------------- + +AC_DEFUN(ERL_REENTRANT_FLEX, +[flex_compile='$LEX -R -Pconftest -oconftest.c conftest.flex 1>&AC_FD_CC' +changequote(253, 273)dnl +cat > conftest.flex <<EOF +/* + * This (reentrant) example code comes from the flex manual + */ + +%option reentrant stack noyywrap +%x COMMENT + +%% + +"//" yy_push_state( COMMENT, yyscanner); +.|\n + +<COMMENT>\n yy_pop_state( yyscanner ); +<COMMENT>[^\n]+ fprintf( yyout, "%s\n", yytext); + +%% + +int main ( int argc, char * argv[] ) +{ + yyscan_t scanner; + + yylex_init ( &scanner ); + yylex ( scanner ); + yylex_destroy ( scanner ); + return 0; +} +EOF +changequote([, ])dnl +AC_MSG_CHECKING(for reentrant capable flex) +if AC_TRY_EVAL(flex_compile) && test -s conftest.c; then + ifelse([$1], , :, [ + $1]) + AC_MSG_RESULT([yes]) +else + echo "configure: failed program was:" 1>&AC_FD_CC + cat conftest.flex 1>&AC_FD_CC + echo "configure: PATH was $PATH" 1>&AC_FD_CC +ifelse([$2], , , [ + $2 +])dnl + AC_MSG_RESULT([no]) +fi +]) + + +dnl +dnl Shall we attempt to use reentrant flex scanner or not +dnl +AC_ARG_ENABLE(megaco_reentrant_flex_scanner, +[ --enable-megaco-reentrant-flex-scanner enable reentrant megaco flex scanner + --disable-megaco-reentrant-flex-scanner disable reentrant megaco flex scanner], + if test x${enable_megaco_reentrant_flex_scanner} = xno ; then + ENABLE_REENTRANT_MEGACO_FLEX_SCANNER=false + else + ENABLE_REENTRANT_MEGACO_FLEX_SCANNER=true + fi, + ENABLE_REENTRANT_MEGACO_FLEX_SCANNER=true) + + +dnl +dnl flex is needed by megaco. lex wont do! +dnl + +AC_PROG_LEX +if test "$LEX" != flex; then + ENABLE_MEGACO_FLEX_SCANNER=false +else + ENABLE_MEGACO_FLEX_SCANNER=true + dnl Check if we can generate a reentrant scanner + dnl ENABLE_REENTRANT_MEGACO_FLEX_SCANNER=true + if ${ENABLE_REENTRANT_MEGACO_FLEX_SCANNER} = true ; then + ERL_REENTRANT_FLEX(ENABLE_REENTRANT_MEGACO_FLEX_SCANNER=true, + ENABLE_REENTRANT_MEGACO_FLEX_SCANNER=false) + fi +fi +AC_SUBST(ENABLE_MEGACO_FLEX_SCANNER) +AC_SUBST(ENABLE_REENTRANT_MEGACO_FLEX_SCANNER) + + + +dnl +dnl For increased performance it is possible to disable lineno +dnl +AC_ARG_ENABLE(megaco_flex_scanner_lineno, +[ --enable-megaco-flex-scanner-lineno enable megaco flex scanner lineno + --disable-megaco-flex-scanner-lineno disable megaco flex scanner lineno], + if test x${enable_megaco_flex_scanner_lineno} = xno ; then + ENABLE_MEGACO_FLEX_SCANNER_LINENO=false + else + ENABLE_MEGACO_FLEX_SCANNER_LINENO=true + fi, + ENABLE_MEGACO_FLEX_SCANNER_LINENO=true) +AC_SUBST(ENABLE_MEGACO_FLEX_SCANNER_LINENO) + + + +dnl +dnl C compiler (related) defs +dnl + +AC_PROG_CC + +dnl Magic test for clearcase. +if test -d ../../system; then + OTP_EXTRA_FLAGS=-DOTP_RELEASE +else + OTP_EXTRA_FLAGS= +fi + + +dnl +dnl The ErlDrvEntry struct changed in R13 (another field) +dnl +AC_CHECK_MEMBERS([struct ErlDrvEntry.stop_select], + [ + CFLAGS="$CFLAGS -DMEGACO_DRV_ENTRY_HAS_STOP_SELECT" + ], + [], + [ + #include "erl_driver.h" + ]) + + +dnl +dnl Flags to the C compiler +dnl +dnl make sure we find config.h +CFLAGS="$CFLAGS -I${ERL_TOP}/erts/$host -I${ERL_TOP}/erts/include/$host $OTP_EXTRA_FLAGS" + +if test "X$host" = "Xwin32"; then + DED_CFLAGS="$CFLAGS" +else + case $host_os in + darwin*) + CFLAGS="$CFLAGS -no-cpp-precomp" + ;; + esac + + if test "x$GCC" = xyes; then + DED_CFLAGS="$CFLAGS -fPIC $DED_CFLAGS" + else + DED_CFLAGS="$CFLAGS $DED_CFLAGS" + fi +fi + +dnl emulator includes needed +DED_INCLUDE="-I${ERL_TOP}/erts/emulator/beam -I${ERL_TOP}/erts/include -I${ERL_TOP}/erts/include/$host" + +DED_CFLAGS="$DED_INCLUDE $DED_CFLAGS" + + + +AC_SUBST(DED_CFLAGS) + + +AC_CHECK_PROGS(DED_LD, [ld.sh ld], no_ld) +if test "$DED_LD" = no_ld; then + AC_MSG_ERROR([ld is required to build the flex scanner!]) +fi + + +AC_MSG_CHECKING(for linker flags for loadable drivers) +case $host_os in + win32) + DED_LDFLAGS="-dll" + ;; + solaris2*|sysv4*) + DED_LDFLAGS="-G" + ;; + aix4*) + DED_LDFLAGS="-G -bnoentry -bexpall" + ;; + freebsd2*) + # Non-ELF GNU linker + DED_LDFLAGS="-Bshareable" + ;; + darwin*) + # Mach-O linker, a shared lib and a loadable + # object file is not the same thing. + DED_LDFLAGS="-bundle -flat_namespace -undefined suppress" + DED_CFLAGS="$DED_CFLAGS -fno-common" + ;; + *) + # assume GNU linker and ELF + DED_LDFLAGS="-shared" + ;; +esac +DED_LDFLAGS="$LDFLAGS $DED_LDFLAGS" +AC_MSG_RESULT([$DED_LDFLAGS]) +AC_SUBST(DED_LDFLAGS) + + +AC_CHECK_PROG(PERL, perl, perl, no_perl) +if test "$PERL" = no_perl; then + AC_MSG_ERROR([Perl is required to build the flex scanner!]) +fi + + +dnl This is the os flavour, should be unix, vxworks or win32 +if test "X$host" = "Xwin32"; then + ERLANG_OSTYPE=win32 +else + ERLANG_OSTYPE=unix +fi + +AC_SUBST(ERLANG_OSTYPE) + + +AC_OUTPUT(src/flex/$host/Makefile:src/flex/Makefile.in) + |