diff options
Diffstat (limited to '')
| -rw-r--r-- | dists/autogen/m4/ax_extract_version.m4 | 54 | ||||
| -rw-r--r-- | dists/autogen/m4/fpc.m4 | 351 | ||||
| -rw-r--r-- | dists/autogen/m4/macosx_version.m4 | 31 | ||||
| -rw-r--r-- | dists/autogen/m4/pkg_config_utils.m4 | 190 |
4 files changed, 498 insertions, 128 deletions
diff --git a/dists/autogen/m4/ax_extract_version.m4 b/dists/autogen/m4/ax_extract_version.m4 new file mode 100644 index 00000000..e9501f69 --- /dev/null +++ b/dists/autogen/m4/ax_extract_version.m4 @@ -0,0 +1,54 @@ +# This file is part of UltraStar Deluxe +# Created by the UltraStar Deluxe Team + +# SYNOPSIS +# +# AX_EXTRACT_VERSION(VARIABLE_PREFIX, VERSION) +# +# DESCRIPTION +# +# Splits a version number ("major.minor.release") into its components. +# The resulting components of the version are guaranteed to be +# numeric. All non-numeric chars are removed. +# +# Sets +# [$VARIABLE_PREFIX]_VERSION_MAJOR +# [$VARIABLE_PREFIX]_VERSION_MINOR +# [$VARIABLE_PREFIX]_VERSION_RELEASE +# +# This function calls +# AC_SUBST([$VARIABLE_PREFIX]_VERSION_type] for each type + +AC_DEFUN([AX_EXTRACT_VERSION], +[ + version=[$2] + + # strip leading non-numeric tokens + # (necessary for some ffmpeg-packages in ubuntu) + # example: 0d.51.1.0 -> 51.1.0 + version=`echo $version | sed 's/^[[^.]]*[[^0-9.]][[^.]]*\.//'` + + # replace "." and "-" with " " and ignore trailing tokens. + # 1.23.4-r2 will be splitted to [maj=1, min=23, rel=4]. + # In addition we delete everything after the first character + # which is not 0-9. + # 1.3a4-r32 will be [maj=1, min=3, rel=0]. + read major minor release ignore <<eof + `echo $version | tr '.-' ' ' | sed 's/[[^0-9\ ]].*//'` +eof + # Note: Do NOT indent the eof-delimiter + # We use a here-document (<<< here-strings not POSIX compatible) + + # strip preceding 0s and set unset version-parts to 0 + [$1][_VERSION_MAJOR]=$(($major)) + [$1][_VERSION_MINOR]=$(($minor)) + [$1][_VERSION_RELEASE]=$(($release)) + # integer representation: MMMmmmrrr (M:major,m:minor,r:release) + # can be used if pkg-config's comparison fails + [$1][_VERSION_INT]=$(($[$1][_VERSION_MAJOR]*1000000+$[$1][_VERSION_MINOR]*1000+$[$1][_VERSION_RELEASE])) + + AC_SUBST([$1][_VERSION_MAJOR]) + AC_SUBST([$1][_VERSION_MINOR]) + AC_SUBST([$1][_VERSION_RELEASE]) + AC_SUBST([$1][_VERSION_INT]) +]) diff --git a/dists/autogen/m4/fpc.m4 b/dists/autogen/m4/fpc.m4 index 896c53d2..217fddc8 100644 --- a/dists/autogen/m4/fpc.m4 +++ b/dists/autogen/m4/fpc.m4 @@ -1,176 +1,271 @@ -dnl ** Version 1.1 of file is part of the LGPLed -dnl ** J Sound System (http://jss.sourceforge.net) -dnl ** -dnl ** Checks for Free Pascal Compiler by Matti "ccr/TNSP" Hamalainen -dnl ** (C) Copyright 2000-2001 Tecnic Software productions (TNSP) -dnl ** -dnl ** Versions -dnl ** -------- -dnl ** 1.0 - Created -dnl ** -dnl ** 1.1 - Added stuff to enable unix -> win32 -dnl ** cross compilation. -dnl ** -dnl ** 1.x - A few fixes (by the UltraStar Deluxe Team) -dnl ** +# Based on fpc.m4 Version 1.1 provided with +# J Sound System (http://jss.sourceforge.net) +# +# Originally written by +# Matti "ccr/TNSP" Hamalainen +# (C) Copyright 2000-2001 Tecnic Software productions (TNSP) +# +# Mostly rewritten by +# UltraStar Deluxe Team -AC_DEFUN([AC_PROG_FPC], [ +# SYNOPSIS +# +# AC_PROG_FPC +# +# DESCRIPTION +# +# Checks for Free Pascal Compiler +# +# Sets: +# PPC : fpc command +# FPCMAKE : fpcmake command +# +# PFLAGS : flags passed to fpc (overwrite default) +# PFLAGS_BASE : base flags (release + debug) +# PFLAGS_EXTRA : additional flags (appended to default PFLAGS) +# PFLAGS_DEBUG : flags used in debug build +# PFLAGS_RELEASE : flags used in release build +# +# Note: +# all PFLAGS/PFLAGS_XYZ vars are set to $(PFLAGS_XYZ_DEFAULT) +# if not set by the user, so the Makefile can assign default +# values to them. +# +# FPC_VERSION : fpc version string, e.g. 2.3.1 +# FPC_VERSION_MAJOR : major version (here 2) +# FPC_VERSION_MINOR : minor version (here 3) +# FPC_VERSION_RELEASE: release version (here 1) +# +# FPC_PLATFORM : platform of the target (linux/darwin/win32/...) +# FPC_PROCESSOR : processor of the target, (i386/...) +# FPC_CPLATFORM : platform of the compiler host, (linux/darwin/win32/...) +# FPC_CPROCESSOR : processor of the compiler host, (i386/...) +# FPC_TARGET : FPC_PROCESSOR-FPC_PLATFORM (e.g. i386-linux) +# +# FPC_PREFIX : prefix of fpc install path, (default: /usr) +# FPC_BASE_PATH : $FPC_PREFIX/lib/fpc/$FPC_VERSION +# FPC_UNIT_PATH : $FPC_BASE_PATH/units/$FPC_TARGET +# +# See "fpc -i" for a list of supported platforms and processors -AC_ARG_VAR(PFLAGS, [Free Pascal Compiler flags (replaces all other flags)]) -AC_ARG_VAR(PFLAGS_DEBUG, [Free Pascal Compiler debug flags @<:@-gl -Coi -Xs- -vew -dDEBUG_MODE@:>@]) -AC_ARG_VAR(PFLAGS_RELEASE, [Free Pascal Compiler release flags @<:@-O2 -Xs -vew@:>@]) -AC_ARG_VAR(PFLAGS_EXTRA, [Free Pascal Compiler additional flags]) +AC_DEFUN([AC_PROG_FPC], [ -dnl set DEBUG/RELEASE flags to default-values if unset +## +# User PFLAGS +## -dnl - Do not use -dDEBUG because this will enable range-checks that will fail with USDX. -dnl - Disable -Xs which is defined in fpc.cfg (TODO: is this necessary?). -dnl - For FPC we have to use DEBUG_MODE instead of DEBUG to enable the apps debug-mode -dnl because DEBUG enables some additional compiler-flags in fpc.cfg too -PFLAGS_DEBUG=${PFLAGS_DEBUG-"-gl -Xs- -vew -dDEBUG_MODE"} -dnl -dRELEASE works too but we define our own settings -PFLAGS_RELEASE=${PFLAGS_RELEASE-"-O2 -Xs -vew"} +AC_ARG_VAR(PFLAGS, [Free Pascal Compiler flags (replaces all other flags)]) +AC_ARG_VAR(PFLAGS_BASE, [Free Pascal Compiler base flags, e.g. -Si]) +AC_ARG_VAR(PFLAGS_DEBUG, [Free Pascal Compiler debug flags, e.g. -gl]) +AC_ARG_VAR(PFLAGS_RELEASE, [Free Pascal Compiler release flags, e.g. -O2]) +AC_ARG_VAR(PFLAGS_EXTRA, [Free Pascal Compiler additional flags]) +## +# Compiler options +## AC_ARG_ENABLE(dummy_fpc1,[ Free Pascal Compiler specific options:]) +# fpc path AC_ARG_WITH(fpc, [AS_HELP_STRING([--with-fpc=DIR], [Directory of the FPC executable @<:@PATH@:>@])], [PPC_PATH=$withval], []) -FPC_DEBUG="no" - -AC_ARG_ENABLE(release, - [AS_HELP_STRING([--enable-release], - [Enable FPC release options @<:@default=yes@:>@])], - [test $enableval = "no" && FPC_DEBUG="yes"], []) - -AC_ARG_ENABLE(debug, - [AS_HELP_STRING([--enable-debug], - [Enable FPC debug options (= --disable-release) @<:@default=no@:>@])], - [test $enableval = "yes" && FPC_DEBUG="yes"], []) - -AC_ARG_ENABLE(profile, - [AS_HELP_STRING([--enable-profile], - [Enable FPC profiling options @<:@default=no@:>@])], - [PFLAGS_EXTRA="$PFLAGS_EXTRA -pg"], []) - - -dnl ** set PFLAGS depending on whether it is already set by the user -dnl Note: the user's PFLAGS must *follow* this script's flags -dnl to enable the user to overwrite the settings. -if test x${PFLAGS+assigned} = x; then -dnl PFLAGS not set by the user - if test x$FPC_DEBUG = xyes; then - PFLAGS="$PFLAGS_DEBUG" - PFLAGS_MAKE="[\$](PFLAGS_DEBUG)" - else - PFLAGS="$PFLAGS_RELEASE" - PFLAGS_MAKE="[\$](PFLAGS_RELEASE)" - fi -else -dnl PFLAGS set by the user, just add additional flags - PFLAGS="$PFLAGS" - PFLAGS_MAKE="$PFLAGS" -fi +# verbose +AC_ARG_ENABLE(verbose, + [AS_HELP_STRING([--disable-verbose], + [Disable verbose compiler output @<:@default=no@:>@])], + [test x$enableval = xno && PFLAGS_EXTRA="$PFLAGS_EXTRA -v0Bew"], []) + +# gprof +AC_ARG_ENABLE(gprof, + [AS_HELP_STRING([--enable-gprof], + [Enable profiling with gprof @<:@default=no@:>@])], + [test x$enableval = xyes && PFLAGS_EXTRA="$PFLAGS_EXTRA -pg"], []) + +# valgrind +AC_ARG_ENABLE(valgrind, + [AS_HELP_STRING([--enable-valgrind], + [Enable debugging with valgrind @<:@default=no@:>@])], + [test x$enableval = xyes && PFLAGS_EXTRA="$PFLAGS_EXTRA -pv"], []) -dnl ** find compiler executable +# heaptrace +AC_ARG_ENABLE(heaptrace, + [AS_HELP_STRING([--enable-heaptrace], + [Enable heaptrace (memory corruption detection) @<:@default=no@:>@])], + [test x$enableval = xyes && PFLAGS_EXTRA="$PFLAGS_EXTRA -gh"], []) -PPC_CHECK_PROGS="fpc FPC ppc386 ppc PPC386 ppos2" +# range-checks +AC_ARG_ENABLE(rangechecks, + [AS_HELP_STRING([--enable-rangechecks], + [Enables range-checks @<:@default=no@:>@])], + [test x$enableval = xyes && PFLAGS_EXTRA="$PFLAGS_EXTRA -Crtoi"], []) + +# allow execstack (see noexecstack compiler check below) +AC_ARG_ENABLE(noexecstack, + [AS_HELP_STRING([--disable-noexecstack], + [Allow executable stacks @<:@default=no@:>@])], + [], [enable_noexecstack="yes"]) + +### +# Find compiler executable +### + +PPC_CHECK_PROGS="fpc FPC ppc386 ppc PPC386" if test -z "$PPC_PATH"; then - PPC_PATH=$PATH - AC_CHECK_PROGS(PPC, $PPC_CHECK_PROGS) - AC_CHECK_PROGS(FPCMAKE, [fpcmake]) + PPC_PATH=$PATH + AC_CHECK_PROGS(PPC, $PPC_CHECK_PROGS) + AC_CHECK_PROGS(FPCMAKE, [fpcmake]) else - AC_PATH_PROGS(PPC, $PPC_CHECK_PROGS, [], $PPC_PATH) - AC_PATH_PROGS(FPCMAKE, [fpcmake], [], $PPC_PATH) + AC_PATH_PROGS(PPC, $PPC_CHECK_PROGS, [], $PPC_PATH) + AC_PATH_PROGS(FPCMAKE, [fpcmake], [], $PPC_PATH) fi if test -z "$PPC"; then - AC_MSG_ERROR([no Free Pascal Compiler found in $PPC_PATH]) + AC_MSG_ERROR([no Free Pascal Compiler found in $PPC_PATH]) fi if test -z "$FPCMAKE"; then - AC_MSG_ERROR([fpcmake not found in $PPC_PATH]) + AC_MSG_ERROR([fpcmake not found in $PPC_PATH]) fi -AC_PROG_FPC_WORKS -AC_PROG_FPC_LINKS +### +# Get the FPC compiler info +### -dnl *** Get the FPC version and some paths +AC_MSG_CHECKING([version of fpc]) FPC_VERSION=`${PPC} -iV` +AX_EXTRACT_VERSION(FPC, $FPC_VERSION) +AC_SUBST(FPC_VERSION) +AC_MSG_RESULT([@<:@$FPC_VERSION@:>@]) + FPC_PLATFORM=`${PPC} -iTO` FPC_PROCESSOR=`${PPC} -iTP` +FPC_CPLATFORM=`${PPC} -iSO` +FPC_CPROCESSOR=`${PPC} -iSP` -if test "x$prefix" != xNONE; then - FPC_PREFIX=$prefix -else - FPC_PREFIX=$ac_default_prefix -fi -FPC_BASE_PATH="${FPC_PREFIX}/lib/fpc/${FPC_VERSION}" -FPC_UNIT_PATH="${FPC_BASE_PATH}/units/${FPC_PLATFORM}" +FPC_TARGET=${FPC_PROCESSOR}-${FPC_PLATFORM} -AC_SUBST(PFLAGS) -AC_SUBST(PFLAGS_MAKE) -AC_SUBST(PFLAGS_EXTRA) -AC_SUBST(PFLAGS_DEBUG) -AC_SUBST(PFLAGS_RELEASE) -AC_SUBST(FPC_VERSION) AC_SUBST(FPC_PLATFORM) AC_SUBST(FPC_PROCESSOR) +AC_SUBST(FPC_CPLATFORM) +AC_SUBST(FPC_CPROCESSOR) +AC_SUBST(FPC_TARGET) + +### +# Get paths +### + +if test "x$prefix" != xNONE; then + FPC_PREFIX=$prefix +else + FPC_PREFIX=$ac_default_prefix +fi + +FPC_BASE_PATH="${FPC_PREFIX}/lib/fpc/${FPC_VERSION}" +FPC_UNIT_PATH="${FPC_BASE_PATH}/units/${FPC_TARGET}" AC_SUBST(FPC_PREFIX) AC_SUBST(FPC_BASE_PATH) AC_SUBST(FPC_UNIT_PATH) -]) -PFLAGS_TEST="$PFLAGS $PFLAGS_EXTRA" +### +# Compiler checks +### -dnl *** -dnl *** Check if FPC works and can compile a program -dnl *** -AC_DEFUN([AC_PROG_FPC_WORKS], -[AC_CACHE_CHECK([whether the Free Pascal Compiler ($PPC $PFLAGS_TEST) works], ac_cv_prog_ppc_works, -[ -rm -f conftest* -echo "program foo; begin writeln; end." > conftest.pp -${PPC} ${PFLAGS_TEST} conftest.pp >> config.log +SIMPLE_PROGRAM="program foo; begin writeln; end." -if test -f conftest || test -f conftest.exe; then -dnl *** It works! - ac_cv_prog_ppc_works="yes" - -else - ac_cv_prog_ppc_works="no" -fi -rm -f conftest* -dnl AC_MSG_RESULT($ac_cv_prog_ppc_works) +# Check if FPC works and can compile a program +AC_CACHE_CHECK([whether the Free Pascal Compiler works], ac_cv_prog_ppc_works, +[ + AC_PROG_FPC_CHECK([ac_cv_prog_ppc_works], [], [$SIMPLE_PROGRAM]) +]) if test x$ac_cv_prog_ppc_works = xno; then - AC_MSG_ERROR([installation or configuration problem: Cannot create executables.]) + AC_MSG_ERROR([installation or configuration problem: Cannot create executables.]) fi -])]) - -dnl *** -dnl *** Check if FPC can link with standard libraries -dnl *** -AC_DEFUN([AC_PROG_FPC_LINKS], -[AC_CACHE_CHECK([whether the Free Pascal Compiler ($PPC $PFLAGS_TEST) can link], ac_cv_prog_ppc_works, +# Check if FPC can link with standard libraries +AC_CACHE_CHECK([whether the Free Pascal Compiler can link], ac_cv_prog_ppc_links, [ -rm -f conftest* -echo "program foo; uses crt; begin writeln; end." > conftest.pp -${PPC} ${PFLAGS_TEST} conftest.pp >> config.log -if test -f conftest || test -f conftest.exe; then - ac_cv_prog_ppc_links="yes" -else - ac_cv_prog_ppc_links="no" -fi -rm -f conftest* -AC_MSG_RESULT($ac_cv_prog_ppc_links) + AC_PROG_FPC_CHECK([ac_cv_prog_ppc_links], [], + [program foo; uses crt; begin writeln; end.] + ) +]) if test x$ac_cv_prog_ppc_links = xno; then - AC_MSG_ERROR([installation or configuration problem: Cannot link with some standard libraries.]) + AC_MSG_ERROR([installation or configuration problem: Cannot link with some standard libraries.]) fi -])]) +# Check whether FPC's linker knows "-z noexecstack" +# FPC does not set the NX-flag on stack memory. Binaries generated with FPC +# might crash on platforms that require the stack to be non-executable. +# So we will try to find a workaround here. +# See http://bugs.freepascal.org/view.php?id=11563 + +AC_CACHE_CHECK([whether FPC supports -k"-z noexecstack"], ac_cv_prog_ppc_noexecstack, +[ + AC_PROG_FPC_CHECK([ac_cv_prog_ppc_noexecstack], [-k"-z noexecstack"], [$SIMPLE_PROGRAM]) +]) +if test x$enable_noexecstack = xyes; then + if test x$ac_cv_prog_ppc_noexecstack = xyes; then + PFLAGS_EXTRA="$PFLAGS_EXTRA -k\"-z noexecstack\"" + fi +fi + +# Finally substitute PFLAGS + +# set unset PFLAGS_XYZ vars to $(PFLAGS_XYZ_DEFAULT) +# so the Makefile can define default values to it. +true ${PFLAGS:=\$(PFLAGS_DEFAULT)} +true ${PFLAGS_BASE:=\$(PFLAGS_BASE_DEFAULT)} +true ${PFLAGS_EXTRA:=\$(PFLAGS_EXTRA_DEFAULT)} +true ${PFLAGS_DEBUG:=\$(PFLAGS_DEBUG_DEFAULT)} +true ${PFLAGS_RELEASE:=\$(PFLAGS_RELEASE_DEFAULT)} + +AC_SUBST(PFLAGS) +AC_SUBST(PFLAGS_BASE) +AC_SUBST(PFLAGS_EXTRA) +AC_SUBST(PFLAGS_DEBUG) +AC_SUBST(PFLAGS_RELEASE) + +]) + +####################################### +# Helper functions +####################################### + +# SYNOPSIS +# +# AC_PROG_FPC_CHECK(RESULT, FPC_FLAGS, CODE) +# +# DESCRIPTION +# +# Checks if FPC is able to compile CODE with FPC_FLAGS. +# The result ("yes" on success, "no" otherwise) is +# stored in [$RESULT] +# +# Parameters: +# RESULT: Name of result variable +# FPC_FLAGS: Flags passed to FPC +# CODE: + +AC_DEFUN([AC_PROG_FPC_CHECK], +[ + # create test file + rm -f conftest* + echo "[$3]" > conftest.pp + + # compile test file + ${PPC} [$2] conftest.pp >> config.log 2>&1 + + # check if test file was compiled + if test -f conftest || test -f conftest.exe; then + [$1]="yes" + else + [$1]="no" + fi + + # remove test file + rm -f conftest* +]) diff --git a/dists/autogen/m4/macosx_version.m4 b/dists/autogen/m4/macosx_version.m4 new file mode 100644 index 00000000..508dc775 --- /dev/null +++ b/dists/autogen/m4/macosx_version.m4 @@ -0,0 +1,31 @@ +# This file is part of UltraStar Deluxe +# Created by the UltraStar Deluxe Team + +# SYNOPSIS +# +# AC_MACOSX_VERSION +# +# DESCRIPTION +# +# Determines the Mac OS X and Darwin version. +# +# +----------+---------+ +# | Mac OS X | Darwin | +# +----------+---------+ +# | 10.4 | 8 | +# | 10.5 | 9 | +# +----------+---------+ + +AC_DEFUN([AC_MACOSX_VERSION], +[ + AC_MSG_CHECKING([for Mac OS X version]) + MACOSX_VERSION=`sw_vers -productVersion` + AX_EXTRACT_VERSION(MACOSX, $MACOSX_VERSION) + AC_MSG_RESULT(@<:@$MACOSX_VERSION@:>@) + AC_SUBST(MACOSX_VERSION) + + AC_MSG_CHECKING([for Darwin version]) + DARWIN_VERSION=`uname -r | cut -f1 -d.` + AC_MSG_RESULT(@<:@$DARWIN_VERSION@:>@) + AC_SUBST(DARWIN_VERSION) +])
\ No newline at end of file diff --git a/dists/autogen/m4/pkg_config_utils.m4 b/dists/autogen/m4/pkg_config_utils.m4 new file mode 100644 index 00000000..903e0fc9 --- /dev/null +++ b/dists/autogen/m4/pkg_config_utils.m4 @@ -0,0 +1,190 @@ +# This file is part of UltraStar Deluxe +# Created by the UltraStar Deluxe Team + + +# OVERVIEW +# +# PKG_VALUE(VARIABLE_PREFIX, POSTFIX, COMMAND, MODULE, HELP-STRING) +# PKG_VERSION(VARIABLE_PREFIX, MODULE) +# PKG_HAVE(VARIABLE_PREFIX, MODULE, [REQUIRED]) +# AX_TRIM(STRING) + +# SYNOPSIS +# +# PKG_VALUE(VARIABLE_PREFIX, POSTFIX, COMMAND, MODULE, HELP-STRING) +# +# DESCRIPTION +# +# Calls pkg-config with a given command and stores the result. +# If the variable was already defined by the user or the package +# is not present on the system ([$VARIABLE_PREFIX]_HAVE <> yes) +# pkg-config will not be executed and the old value remains. +# In addition the variable will be shown on "./configure --help" +# described by a given help-string. +# +# Parameters: +# - VARIABLE_PREFIX: the prefix for the variables storing +# information about the package. +# - POSTFIX: [$VARIABLE_PREFIX]_[$POSTFIX] will contain the value +# - COMMAND: a pkg-config command, e.g. "variable=prefix" +# - MODULE: the package pkg-config will retrieve info from +# - HELP-STRING: description of the variable +# +# Sets: +# [$VARIABLE_PREFIX]_[$POSTFIX] # value (AC_SUBST) + +AC_DEFUN([PKG_VALUE], +[ + AC_ARG_VAR([$1]_[$2], [$5, overriding pkg-config]) + # check if variable was defined by the user + if test -z "$[$1]_[$2]"; then + # if not, get it from pkg-config + if test x$[$1][_HAVE] = xyes; then + PKG_CHECK_EXISTS([$4], + [[$1]_[$2]=`$PKG_CONFIG --[$3] --silence-errors "$4"`], + [# print error message and quit + err_msg=`$PKG_CONFIG --errors-to-stdout --print-errors "$4"` + AC_MSG_ERROR( +[ + +$err_msg + +If --with-[$1]=nocheck is defined the environment variable +[$1]_[$2] +must be set to avoid the need to call pkg-config. + +See the pkg-config man page for more details. +]) + + ]) + fi + fi + AC_SUBST([$1]_[$2]) +]) + +# SYNOPSIS +# +# PKG_VERSION(VARIABLE_PREFIX, MODULE) +# +# DESCRIPTION +# +# Retrieves the version of a package +# +# Parameters: +# - VARIABLE_PREFIX: the prefix for the variables storing +# information about the package. +# - MODULE: package name according to pkg-config +# +# Sets: +# [$VARIABLE_PREFIX]_VERSION # full version string +# # (format: "major.minor.release") +# +# [$VARIABLE_PREFIX]_VERSION_MAJOR # major version number +# [$VARIABLE_PREFIX]_VERSION_MINOR # minor version number +# [$VARIABLE_PREFIX]_VERSION_RELEASE # release version number +# +# [$VARIABLE_PREFIX]_VERSION_INT # integer representation: +# # MMMmmmrrr (M:major,m:minor,r:release) + +AC_DEFUN([PKG_VERSION], +[ + if test x$[$1][_HAVE] = xyes; then + AC_MSG_CHECKING([version of $1]) + PKG_VALUE([$1], [VERSION], [modversion], [$2], [version of $1]) + AC_MSG_RESULT(@<:@$[$1][_VERSION]@:>@) + else + [$1][_VERSION]="0.0.0" + fi + AX_EXTRACT_VERSION([$1], $[$1][_VERSION]) +]) + + +# SYNOPSIS +# +# AX_TRIM(STRING) +# +# DESCRIPTION +# +# Removes surrounding whitespace + +AC_DEFUN([AX_TRIM], +[ + echo "[$1]" | $SED 's/^[[ \t]]*//' | $SED 's/[[ \t]]*$//' +]) + +# SYNOPSIS +# +# PKG_HAVE(VARIABLE_PREFIX, MODULE, [REQUIRED]) +# +# DESCRIPTION +# +# Checks with pkg-config if a package exists and retrieves +# information about it. +# +# Parameters: +# - VARIABLE_PREFIX: the prefix for the variables storing information about the package. +# - MODULE: package name according to pkg-config +# - REQUIRED: if true, the configure-script is aborted if the package was not found +# +# Uses: +# with_[$VARIABLE_PREFIX]: whether and how the package should be checked for +# "check": check for the package but do not abort if it does not exist (default) +# "no": do not check for the package (sets _HAVE to "no" and _VERSION to "0.0.0") +# "yes": check for the package and abort if it does not exist +# "nocheck": do not check for the package (sets _HAVE to "yes") +# +# Sets: +# [$VARIABLE_PREFIX]_HAVE # package is available (values: "yes"|"no") +# [$VARIABLE_PREFIX]_LIBS # linker flags (e.g. -Lmylibdir -lmylib) +# [$VARIABLE_PREFIX]_LIBDIRS # library dirs (e.g. -Lmylibdir) + +AC_DEFUN([PKG_HAVE], +[ + have_lib="no" + AC_MSG_CHECKING([for $2]) + if test x"$with_[$1]" = xnocheck; then + # do not call pkg-config, use user settings + have_lib="yes" + elif test x"$with_[$1]" != xno; then + # check if package exists + PKG_CHECK_EXISTS([$2], [ + have_lib="yes" + [$1][_LIBS]=`$PKG_CONFIG --libs --silence-errors "$2"` + [$1][_LIBDIRS]=`$PKG_CONFIG --libs-only-L --silence-errors "$2"` + [$1][_LIBDIRS]=`AX_TRIM($[$1][_LIBDIRS])` + # add library directories to LIBS (ignore *_LIBS for now) + if test -n "$[$1][_LIBDIRS]"; then + LIBS="$LIBS $[$1][_LIBDIRS]" + fi + ]) + fi + if test x$have_lib = xyes; then + [$1][_HAVE]="yes" + if test -n "$[$1][_LIBDIRS]"; then + # show additional lib-dirs + AC_MSG_RESULT(yes [(]$[$1][_LIBDIRS][)]) + else + AC_MSG_RESULT(yes) + fi + else + [$1][_HAVE]="no" + AC_MSG_RESULT(no) + + # check if package is required + if test x$3 = xyes -o x"$with_[$1]" = xyes ; then + # print error message and quit + err_msg=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"` + AC_MSG_ERROR( +[ + +$err_msg + +Alternatively, you may set --with-[$1]=nocheck and the environment +variables [$1]_[[...]] (see configure --help) +to appropriate values to avoid the need to call pkg-config. + +See the pkg-config man page for more details. +]) + fi + fi +]) |