X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=configure.ac;h=4f58d027df1a462ab3e5b3d74dec3d3e47622fc8;hb=367e559c27a9c9637ff26c9531fd44ef22991aea;hp=c11dd3f9f5c50aa576944b1e775ff1882cd98756;hpb=6146efae606cc575296175a59b24bdb3cf09ae0c;p=librseq.git diff --git a/configure.ac b/configure.ac index c11dd3f..4f58d02 100644 --- a/configure.ac +++ b/configure.ac @@ -1,14 +1,31 @@ -# SPDX-License-Identifier: MIT -# -# Copyright (C) 2019 Michael Jeanson -# +dnl SPDX-License-Identifier: MIT +dnl +dnl SPDX-FileCopyrightText: 2021 EfficiOS, Inc. +dnl +dnl Process this file with autoconf to produce a configure script. -AC_PREREQ(2.59) -AC_INIT([librseq],[0.1.0-pre],[mathieu dot desnoyers at efficios dot com], [], [https://github.com/compudj/librseq/]) +# Project version information +m4_define([rseq_version_major], [0]) +m4_define([rseq_version_minor], [1]) +m4_define([rseq_version_patch], [0]) +m4_define([rseq_version_dev_stage], [-pre]) +m4_define([rseq_version], rseq_version_major[.]rseq_version_minor[.]rseq_version_patch[]rseq_version_dev_stage) +# Library version information of "librseq" # Following the numbering scheme proposed by libtool for the library version # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html -AC_SUBST([RSEQ_LIBRARY_VERSION], [0:0:0]) +m4_define([rseq_lib_version_current], [0]) +m4_define([rseq_lib_version_revision], [0]) +m4_define([rseq_lib_version_age], [0]) +m4_define([rseq_lib_version], rseq_lib_version_current[:]rseq_lib_version_revision[:]rseq_lib_version_age) + + +## ## +## Autoconf base setup ## +## ## + +AC_PREREQ([2.69]) +AC_INIT([librseq],[rseq_version],[mathieu dot desnoyers at efficios dot com],[],[https://github.com/compudj/librseq/]) AC_CONFIG_HEADERS([include/config.h]) AC_CONFIG_AUX_DIR([config]) @@ -17,28 +34,45 @@ AC_CONFIG_MACRO_DIR([m4]) AC_CANONICAL_TARGET AC_CANONICAL_HOST -AM_INIT_AUTOMAKE([foreign dist-bzip2 no-dist-gzip nostdinc]) + +## ## +## Automake base setup ## +## ## + +AM_INIT_AUTOMAKE([1.12 foreign dist-bzip2 no-dist-gzip nostdinc -Wall -Werror]) AM_MAINTAINER_MODE([enable]) -# Enable silent rules if available (Introduced in AM 1.11) -m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) +# Enable silent rules by default +AM_SILENT_RULES([yes]) -AC_REQUIRE_AUX_FILE([tap-driver.sh]) -# Checks for C compiler -AC_USE_SYSTEM_EXTENSIONS +## ## +## C compiler checks ## +## ## + +# Choose the C compiler AC_PROG_CC -AC_PROG_CC_STDC -AC_PROG_CXX +# AC_PROG_CC_STDC was merged in AC_PROG_CC in autoconf 2.70 +m4_version_prereq([2.70], [], [AC_PROG_CC_STDC]) -# Checks for programs. -AC_PROG_AWK -AC_PROG_MAKE_SET +# Make sure the C compiler supports C99 +AS_IF([test "$ac_cv_prog_cc_c99" = "no"], [AC_MSG_ERROR([The compiler does not support C99])]) -LT_INIT +# Enable available system extensions and LFS support +AC_USE_SYSTEM_EXTENSIONS +AC_SYS_LARGEFILE + +# Make sure the C compiler supports __attribute__ +AX_C___ATTRIBUTE__ +AS_IF([test "x$ax_cv___attribute__" != "xyes"], + [AC_MSG_ERROR([The compiler does not support __attribute__ extensions])]) + +# Make sure we have pthread support +AX_PTHREAD([], [AC_MSG_ERROR([Could not configure pthread support])]) # Checks for typedefs, structures, and compiler characteristics. AC_C_INLINE +AC_C_TYPEOF AC_TYPE_INT32_T AC_TYPE_INT64_T AC_TYPE_OFF_T @@ -46,19 +80,86 @@ AC_TYPE_SIZE_T AC_TYPE_UINT32_T AC_TYPE_UINT64_T -AX_C___ATTRIBUTE__ -AS_IF([test "x$ax_cv___attribute__" = "xyes"], - [:], - [AC_MSG_ERROR([The compiler does not support __attribute__ extensions])]) +# Detect warning flags supported by the C compiler and append them to +# WARN_CFLAGS. +m4_define([WARN_FLAGS_LIST], [ dnl + -Wall dnl + -Wextra dnl + -Wmissing-prototypes dnl + -Wmissing-declarations dnl + -Wnull-dereference dnl + -Wundef dnl + -Wshadow dnl + -Wjump-misses-init dnl + -Wsuggest-attribute=format dnl + -Wtautological-constant-out-of-range-compare dnl + -Wnested-externs dnl + -Wwrite-strings dnl + -Wformat=2 dnl + -Wstrict-aliasing dnl + -Wmissing-noreturn dnl + -Winit-self dnl + -Wduplicated-cond dnl + -Wduplicated-branches dnl + -Wlogical-op dnl + -Wredundant-decls dnl +]) + +# Pass -Werror as an extra flag during the test: this is needed to make the +# -Wunknown-warning-option diagnostic fatal with clang. +AC_LANG_PUSH([C]) +AX_APPEND_COMPILE_FLAGS([WARN_FLAGS_LIST], [WARN_CFLAGS], [-Werror]) +AC_LANG_POP([C]) + +AC_LANG_PUSH([C++]) +AX_APPEND_COMPILE_FLAGS([WARN_FLAGS_LIST], [WARN_CXXFLAGS], [-Werror]) +AC_LANG_POP([C++]) + +AE_IF_FEATURE_ENABLED([Werror], [WARN_CFLAGS="${WARN_CFLAGS} -Werror"]) +AE_IF_FEATURE_ENABLED([Werror], [WARN_CXXFLAGS="${WARN_CXXFLAGS} -Werror"]) + + +## ## +## C++ compiler checks ## +## ## + +# Require a C++11 compiler without GNU extensions (-std=c++11) +AX_CXX_COMPILE_STDCXX([11], [noext], [mandatory]) + + +## ## +## Header checks ## +## ## + +AC_HEADER_STDBOOL +AC_CHECK_HEADERS([ \ + limits.h \ + stddef.h \ + sys/time.h \ +]) + -AX_PTHREAD(,[AC_MSG_ERROR([Could not configure pthreads support])]) +## ## +## Programs checks ## +## ## -AM_CFLAGS="$AM_CFLAGS $PTHREAD_CFLAGS" +AM_PROG_AR +AC_PROG_AWK +AC_PROG_MAKE_SET + +# Initialize and configure libtool +LT_INIT + + +## ## +## Library checks ## +## ## # Checks for library functions. AC_FUNC_MMAP AC_FUNC_FORK AC_CHECK_FUNCS([ \ + atexit \ memset \ strerror \ ]) @@ -66,24 +167,94 @@ AC_CHECK_FUNCS([ \ # AC_FUNC_MALLOC causes problems when cross-compiling. #AC_FUNC_MALLOC -# Check for headers -AC_HEADER_STDBOOL -AC_CHECK_HEADERS([ \ - limits.h \ - stddef.h \ +# Check dor dlopen() in -ldl or -lc +AC_CHECK_LIB([dl], [dlopen], [ + libdl_name=dl + DL_LIBS="-ldl" +], [ + # dlopen not found in libdl, check in libc + AC_CHECK_LIB([c], [dlopen], [ + libdl_name=c + DL_LIBS="-lc" + ], [ + AC_MSG_ERROR([Cannot find dlopen in libdl nor libc. Use [LDFLAGS]=-Ldir to specify their location.]) + ]) ]) +AC_SUBST(DL_LIBS) + +PKG_CHECK_MODULES([SECCOMP], [libseccomp], + [ + dnl PKG_CHECK_MODULES defines SECCOMP_LIBS + have_seccomp=yes + ], + [ + have_seccomp=no + ]) -AC_CHECK_HEADER([linux/rseq.h]) -AS_IF([test "x${ac_cv_header_linux_rseq_h}" != "xyes"], [ - AC_MSG_ERROR([Cannot find 'linux/rseq.h'.]) + +## ## +## Optional features selection ## +## ## + +# Enabled by default +AE_FEATURE_DEFAULT_ENABLE +AE_FEATURE([numa],[disable NUMA support]) + +# When given, add -Werror to WARN_CFLAGS and WARN_CXXFLAGS. +# Disabled by default +AE_FEATURE_DEFAULT_DISABLE +AE_FEATURE([Werror], [Treat compiler warnings as errors.]) + +## ## +## Check for optional features dependencies ## +## ## + +# The numa integration requires libnuma +AE_IF_FEATURE_ENABLED([numa], [ + AC_CHECK_LIB([numa], [numa_available], [ + AC_DEFINE([HAVE_LIBNUMA], [1], [Define to 1 if libnuma is available.]) + ], [ + AC_MSG_ERROR([dnl +libnuma is not available. Please either install it (e.g. libnuma-dev) or use +[LDFLAGS]=-Ldir to specify the right location, or use --disable-numa configure +argument to disable NUMA support. + ]) + ]) ]) -AM_CPPFLAGS="-include config.h" + +## ## +## Set automake variables for optional feature conditionnals in Makefile.am ## +## ## + +AM_CONDITIONAL([ENABLE_SHARED], [test "x${enable_shared}" = "xyes"]) +AM_CONDITIONAL([ENABLE_SECCOMP], [test "x${have_seccomp}" = "xyes"]) +AM_CONDITIONAL([ENABLE_NUMA], AE_IS_FEATURE_ENABLED([numa])) + +## ## +## Substitute variables for use in Makefile.am ## +## ## + +# Library versions for libtool +AC_SUBST([RSEQ_LIBRARY_VERSION], [rseq_lib_version]) + +# The order in which the include folders are searched is important. +# The top_builddir should always be searched first in the event that a build +# time generated file is included. +AM_CPPFLAGS="-I\$(top_builddir)/include -I\$(top_srcdir)/include -include config.h" AC_SUBST(AM_CPPFLAGS) -AM_CFLAGS="-Wall -Wextra $AM_CFLAGS" +AM_CFLAGS="$WARN_CFLAGS $PTHREAD_CFLAGS" AC_SUBST(AM_CFLAGS) +AM_CXXFLAGS="$WARN_CXXFLAGS $PTHREAD_CFLAGS" +AC_SUBST(AM_CXXFLAGS) + + +## ## +## Output files generated by configure ## +## ## + AC_CONFIG_FILES([ Makefile doc/Makefile @@ -91,10 +262,14 @@ AC_CONFIG_FILES([ include/Makefile src/Makefile src/librseq.pc + tests/Makefile + tests/utils/Makefile + tests/unit/Makefile ]) AC_OUTPUT + # # Mini-report on what will be built. # @@ -110,6 +285,8 @@ AS_ECHO PPRINT_SUBTITLE([Features]) PPRINT_PROP_STRING([Target architecture], $host_cpu) +AE_IS_FEATURE_ENABLED([numa]) && value=1 || value=0 +PPRINT_PROP_BOOL([NUMA], $value) report_bindir="`eval eval echo $bindir`" report_libdir="`eval eval echo $libdir`"