massively improved build system
This commit is contained in:
Marc Wäckerlin
@@ -3,6 +3,8 @@
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## 1 2 3 4 5 6 7 8
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## 45678901234567890123456789012345678901234567890123456789012345678901234567890
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# define least version number from subversion's revision number:
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# it is taken modulo 256 due to a bug on Apple's MacOSX
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m4_define(x_least, m4_esyscmd_s(
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LEAST="ERROR-UNDEFINED-REVISION-to-be-built-in-subdirectory-of-svn-checkout"
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for path in . .. ../..; do
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@@ -15,6 +17,8 @@ m4_define(x_least, m4_esyscmd_s(
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done
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echo $ECHO_N $LEAST
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))
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## bugreport mail address is taken from <user@host> in first line of AUTHORS
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m4_define(x_bugreport, m4_esyscmd_s(
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head -1 AUTHORS | \
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sed -n 's,.*<\([-_.a-z0-9A-Z]*@[-_.a-z0-9A-Z]*\)>.*,\1,gp'
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@@ -38,6 +42,11 @@ dnl refers to ${prefix}. Thus we have to use `eval' twice.
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test "$exec_prefix_NONE" && exec_prefix=NONE
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])
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# add target dependencies to an existing makefile.in
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# - parameters:
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# $1 = existing target
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# $2 = new dependency for that target
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# $3 = filename of makefile.in
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AC_DEFUN([AX_ADD_MAKEFILE_TARGET_DEP], [
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sh_add_makefile_target_dep() {
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sed -i ':a;/^'${1}':.*\\$/{N;s/\\\n//;ta};s/^'${1}':.*$/& '${2}'/' "${srcdir}/${3}"
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@@ -51,13 +60,34 @@ AC_DEFUN([AX_ADD_MAKEFILE_TARGET_DEP], [
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fi
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])
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# Same as AC_SUBST, but adds -Dname="value" option to CPPFLAGS
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# - parameters:
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# $1 = variable name
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AC_DEFUN([AX_SUBST], [
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AC_SUBST([$1])
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tmp_var="${$1//$'\n'/\n}"
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AM_CPPFLAGS+=' -D$1='"'${tmp_var//#/\\#}'"
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tmp_var=$(echo "${$1}" | sed ':a;N;$!ba;s/\n/\\n/g')
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tmp_var=${tmp_var//\"/\\\"}
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tmp_var=${tmp_var//\'/\'\"\'\"\'}
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tmp_var=${tmp_var//#/\\#}
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AM_CPPFLAGS+=" '-D$1=\"${tmp_var}\"'"
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AC_SUBST(AM_CPPFLAGS)
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])
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# must be called on the right position in configure.ac
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#
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# configure.ac must start with:
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#
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# m4_define(x_package_name, YOUR_PACKAGE_NAME) # project's name
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# m4_define(x_major, MAJOR_NUMBER) # project's major version
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# m4_define(x_minor, MINOR_NUMBER) # project's minor version
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# m4_include(ax_init_standard_project.m4)
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# AC_INIT(x_package_name, x_major.x_minor.x_least, x_bugreport, x_package_name)
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# AM_INIT_AUTOMAKE([1.9 tar-pax])
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# AX_INIT_STANDARD_PROJECT
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#
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# you change nothing but: YOUR_PACKAGE_NAME, MAJOR_NUMBER, MINOR_NUMBER
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#
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# configures the basic environment
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AC_DEFUN([AX_INIT_STANDARD_PROJECT], [
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AM_CPPFLAGS+=" '-DMAKE_STRING(X)=\#X' '-DNAMESPACE=${PACKAGE_NAME}'"
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AX_SUBST(NUMBERS)
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@@ -65,31 +95,25 @@ AC_DEFUN([AX_INIT_STANDARD_PROJECT], [
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README=$(tail -n +3 README)
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AX_SUBST(README)
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_AM_SUBST_NOTMAKE([README])
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README_STR=$(sed 's,",\\",g; :a;N;$!ba;s/\n/\\n/g' README)
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AM_CPPFLAGS+=" '-DREADME_STR=\"${README_STR}\"'"
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DESCRIPTION=$(head -1 README)
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AX_SUBST(DESCRIPTION)
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_AM_SUBST_NOTMAKE([DESCRIPTION])
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AUTHOR=$(head -1 AUTHORS)
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AX_SUBST(AUTHOR)
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_AM_SUBST_NOTMAKE([AUTHOR])
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AM_CPPFLAGS+=" '-DAUTHOR_STR=\"${AUTHOR}\"'"
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DISTRO=$(lsb_release -sc)
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AX_SUBST(DISTRO)
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BUILD_NUMBER=${BUILD_NUMBER:-1}
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AX_SUBST(BUILD_NUMBER)
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BUILD_DATE=$(date -R)
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AX_SUBST(BUILD_DATE)
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AM_CPPFLAGS+=" '-DBUILD_DATE_STR=\"${BUILD_DATE}\"'"
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if test -f "${PROJECT_NAME}-logo.png"; then
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PROJECT_LOGO="${PROJECT_NAME}-logo.png"
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fi
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AX_SUBST(PROJECT_LOGO)
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AM_CPPFLAGS+=" '-DPROJECT_LOGO_STR=\"${PROJECT_LOGO}\"'"
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if test -f "${PROJECT_NAME}-icon.png"; then
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PROJECT_ICON="${PROJECT_NAME}-icon.png"
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fi
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AM_CPPFLAGS+=" '-DPROJECT_ICON_STR=\"${PROJECT_ICON}\"'"
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AX_SUBST(PROJECT_ICON)
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AC_CONFIG_FILES([makefile])
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AX_ADD_MAKEFILE_TARGET_DEP([clean-am], [clean-standard-project-targets], [makefile.in])
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@@ -111,6 +135,7 @@ maintainer-clean-standard-project-targets:
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EOF
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])
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# use this in configure.ac to support C++
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AC_DEFUN([AX_USE_CXX], [
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m4_include(ax_cxx_compile_stdcxx_11.m4)
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AC_LANG(C++)
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@@ -165,6 +190,7 @@ maintainer-clean-cxx-targets:
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EOF
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])
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# use this in configure.ac to support CppUnit for C++ unit tests
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AC_DEFUN([AX_USE_CPPUNIT], [
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AM_PATH_CPPUNIT([1.0.0], [have_cppunit="yes"], [have_cppunit="no"])
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# infos and warnings
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@@ -182,6 +208,7 @@ maintainer-clean-test-targets:
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EOF
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])
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# use this in configure.ac to support C++ examples
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AC_DEFUN([AX_BUILD_EXAMPLES], [
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AC_CONFIG_FILES([examples/makefile])
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AX_ADD_MAKEFILE_TARGET_DEP([maintainer-clean-am], [maintainer-clean-example-targets], [examples/makefile.in])
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@@ -193,6 +220,7 @@ maintainer-clean-example-targets:
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EOF
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])
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# use this in configure.ac to support C++ libraries
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AC_DEFUN([AX_USE_LIBTOOL], [
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# libtool versioning
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LIB_MAJOR=m4_eval(x_major+x_minor)
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@@ -220,6 +248,7 @@ uninstall-data-libtool-pkg:
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EOF
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])
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# use this in configure.ac to support debian packages
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AC_DEFUN([AX_USE_DEBIAN_PACKAGING], [
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README_DEB=$(tail -n +3 README | sed -e 's/^$/./g' -e 's/^/ /g')
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AC_SUBST(README_DEB)
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@@ -240,6 +269,7 @@ distclean-debian-targets:
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EOF
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])
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# use this in configure.ac to support RPM packages
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AC_DEFUN([AX_USE_RPM_PACKAGING], [
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# m4_include(ax_rpm_rules.m4)
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AC_CONFIG_FILES([${PACKAGE_NAME}.spec])
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@@ -253,6 +283,7 @@ rpm: dist
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EOF
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])
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# use this in configure.ac to support Doxygen documentation generation
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AC_DEFUN([AX_USE_DOXYGEN], [
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AC_CHECK_PROG(have_doxygen, doxygen, yes, no)
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AC_CHECK_PROG(have_dot, dot, yes, no)
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@@ -303,6 +334,18 @@ uninstall-documentation:
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EOF
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])
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# require a specific package, with fallback: test for a header
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# - parameter:
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# $1 = unique id (no special characters)
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# $2 = module name
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# $3 = a header file to find (optional)
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# $4 = alternative module names (space separated, optional)
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#
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# uses PKG_CHECK_MODULES to test for a module
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# then, if given, looks for the header file
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# if header file is not found, searches in alternative modules
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# sets all flags, so that the module can be used everywhere
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# fails if not found
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AC_DEFUN([AX_PKG_REQUIRE], [
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PKG_PROG_PKG_CONFIG
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PKG_CHECK_MODULES([$1], [$2], [
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@@ -380,6 +423,14 @@ AC_DEFUN([AX_PKG_REQUIRE], [
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fi
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])
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# check if a specific package exists
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# - parameter:
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# $1 = unique id (no special characters)
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# $2 = module name (optional, if different from id)
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#
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# uses PKG_CHECK_MODULES to test for a module
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# sets automake conditional HAVE_$1 to 0 (not found) or 1 (found)
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# sets all flags, so that the module can be used everywhere
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AC_DEFUN([AX_PKG_CHECK], [
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PKG_PROG_PKG_CONFIG
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PKG_CHECK_MODULES([$1], [m4_default([$2], [$1])], [
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