1 #
  2 # Copyright (c) 2011, 2021, Oracle and/or its affiliates. All rights reserved.
  3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  4 #
  5 # This code is free software; you can redistribute it and/or modify it
  6 # under the terms of the GNU General Public License version 2 only, as
  7 # published by the Free Software Foundation.  Oracle designates this
  8 # particular file as subject to the "Classpath" exception as provided
  9 # by Oracle in the LICENSE file that accompanied this code.
 10 #
 11 # This code is distributed in the hope that it will be useful, but WITHOUT
 12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 13 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 14 # version 2 for more details (a copy is included in the LICENSE file that
 15 # accompanied this code).
 16 #
 17 # You should have received a copy of the GNU General Public License version
 18 # 2 along with this work; if not, write to the Free Software Foundation,
 19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 20 #
 21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 22 # or visit www.oracle.com if you need additional information or have any
 23 # questions.
 24 #
 25 
 26 # Major library component reside in separate files.
 27 m4_include([lib-alsa.m4])
 28 m4_include([lib-bundled.m4])
 29 m4_include([lib-cups.m4])
 30 m4_include([lib-ffi.m4])
 31 m4_include([lib-freetype.m4])
 32 m4_include([lib-std.m4])
 33 m4_include([lib-x11.m4])
 34 m4_include([lib-fontconfig.m4])
 35 m4_include([lib-tests.m4])
 36 m4_include([lib-clang.m4])
 37 
 38 ################################################################################
 39 # Determine which libraries are needed for this configuration
 40 ################################################################################
 41 AC_DEFUN_ONCE([LIB_DETERMINE_DEPENDENCIES],
 42 [
 43   # Check if X11 is needed
 44   if test "x$OPENJDK_TARGET_OS" = xwindows || test "x$OPENJDK_TARGET_OS" = xmacosx; then
 45     # No X11 support on windows or macosx
 46     NEEDS_LIB_X11=false
 47   else
 48     # All other instances need X11, even if building headless only, libawt still
 49     # needs X11 headers.
 50     NEEDS_LIB_X11=true
 51   fi
 52 
 53   # Check if fontconfig is needed
 54   if test "x$OPENJDK_TARGET_OS" = xwindows || test "x$OPENJDK_TARGET_OS" = xmacosx; then
 55     # No fontconfig support on windows or macosx
 56     NEEDS_LIB_FONTCONFIG=false
 57   else
 58     # All other instances need fontconfig, even if building headless only,
 59     # libawt still needs fontconfig headers.
 60     NEEDS_LIB_FONTCONFIG=true
 61   fi
 62 
 63   # Check if cups is needed
 64   if test "x$OPENJDK_TARGET_OS" = xwindows; then
 65     # Windows have a separate print system
 66     NEEDS_LIB_CUPS=false
 67   else
 68     NEEDS_LIB_CUPS=true
 69   fi
 70 
 71   # A custom hook may have set this already
 72   if test "x$NEEDS_LIB_FREETYPE" = "x"; then
 73     NEEDS_LIB_FREETYPE=true
 74   fi
 75 
 76   # Check if alsa is needed
 77   if test "x$OPENJDK_TARGET_OS" = xlinux; then
 78     NEEDS_LIB_ALSA=true
 79   else
 80     NEEDS_LIB_ALSA=false
 81   fi
 82 
 83   # Check if ffi is needed
 84   if HOTSPOT_CHECK_JVM_VARIANT(zero); then
 85     NEEDS_LIB_FFI=true
 86   else
 87     NEEDS_LIB_FFI=false
 88   fi
 89 ])
 90 
 91 ################################################################################
 92 # Parse library options, and setup needed libraries
 93 ################################################################################
 94 AC_DEFUN_ONCE([LIB_SETUP_LIBRARIES],
 95 [
 96   LIB_SETUP_STD_LIBS
 97   LIB_SETUP_X11
 98   LIB_SETUP_CUPS
 99   LIB_SETUP_FONTCONFIG
100   LIB_SETUP_FREETYPE
101   LIB_SETUP_ALSA
102   LIB_SETUP_LIBFFI
103   LIB_SETUP_BUNDLED_LIBS
104   LIB_SETUP_MISC_LIBS
105   LIB_TESTS_SETUP_GTEST
106   LIB_SETUP_LIBCLANG
107 
108   BASIC_JDKLIB_LIBS=""
109   if test "x$TOOLCHAIN_TYPE" != xmicrosoft; then
110     BASIC_JDKLIB_LIBS="-ljava -ljvm"
111   fi
112 
113   # Math library
114   BASIC_JVM_LIBS="$LIBM"
115 
116   # Dynamic loading library
117   if test "x$OPENJDK_TARGET_OS" = xlinux || test "x$OPENJDK_TARGET_OS" = xaix; then
118     BASIC_JVM_LIBS="$BASIC_JVM_LIBS $LIBDL"
119   fi
120 
121   # Threading library
122   if test "x$OPENJDK_TARGET_OS" = xlinux || test "x$OPENJDK_TARGET_OS" = xaix; then
123     BASIC_JVM_LIBS="$BASIC_JVM_LIBS -lpthread"
124   fi
125 
126   # librt for legacy clock_gettime
127   if test "x$OPENJDK_TARGET_OS" = xlinux; then
128     # Hotspot needs to link librt to get the clock_* functions.
129     # But once our supported minimum build and runtime platform
130     # has glibc 2.17, this can be removed as the functions are
131     # in libc.
132     BASIC_JVM_LIBS="$BASIC_JVM_LIBS -lrt"
133   fi
134 
135   # Atomic library
136   # 32-bit platforms needs fallback library for 8-byte atomic ops on Zero
137   if HOTSPOT_CHECK_JVM_VARIANT(zero); then
138     if test "x$OPENJDK_TARGET_OS" = xlinux &&
139         (test "x$OPENJDK_TARGET_CPU" = xarm ||
140          test "x$OPENJDK_TARGET_CPU" = xm68k ||
141          test "x$OPENJDK_TARGET_CPU" = xmips ||
142          test "x$OPENJDK_TARGET_CPU" = xmipsel ||
143          test "x$OPENJDK_TARGET_CPU" = xppc ||
144          test "x$OPENJDK_TARGET_CPU" = xsh); then
145       BASIC_JVM_LIBS="$BASIC_JVM_LIBS -latomic"
146     fi
147   fi
148 
149   # perfstat lib
150   if test "x$OPENJDK_TARGET_OS" = xaix; then
151     BASIC_JVM_LIBS="$BASIC_JVM_LIBS -lperfstat"
152   fi
153 
154   if test "x$OPENJDK_TARGET_OS" = xwindows; then
155     BASIC_JVM_LIBS="$BASIC_JVM_LIBS kernel32.lib user32.lib gdi32.lib winspool.lib \
156         comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib \
157         wsock32.lib winmm.lib version.lib psapi.lib"
158   fi
159 
160   JDKLIB_LIBS="$BASIC_JDKLIB_LIBS"
161   JDKEXE_LIBS=""
162   JVM_LIBS="$BASIC_JVM_LIBS"
163   OPENJDK_BUILD_JDKLIB_LIBS="$BASIC_JDKLIB_LIBS"
164   OPENJDK_BUILD_JVM_LIBS="$BASIC_JVM_LIBS"
165 
166   AC_SUBST(JDKLIB_LIBS)
167   AC_SUBST(JDKEXE_LIBS)
168   AC_SUBST(JVM_LIBS)
169   AC_SUBST(OPENJDK_BUILD_JDKLIB_LIBS)
170   AC_SUBST(OPENJDK_BUILD_JVM_LIBS)
171 ])
172 
173 ################################################################################
174 # Setup various libraries, typically small system libraries
175 ################################################################################
176 AC_DEFUN_ONCE([LIB_SETUP_MISC_LIBS],
177 [
178   # Setup libm (the maths library)
179   if test "x$OPENJDK_TARGET_OS" != "xwindows"; then
180     AC_CHECK_LIB(m, cos, [], [
181         AC_MSG_NOTICE([Maths library was not found])
182     ])
183     LIBM="-lm"
184   else
185     LIBM=""
186   fi
187   AC_SUBST(LIBM)
188 
189   # Setup libdl (for dynamic library loading)
190   save_LIBS="$LIBS"
191   LIBS=""
192   AC_CHECK_LIB(dl, dlopen)
193   LIBDL="$LIBS"
194   AC_SUBST(LIBDL)
195   LIBS="$save_LIBS"
196 
197   # Control if libzip can use mmap. Available for purposes of overriding.
198   LIBZIP_CAN_USE_MMAP=true
199   AC_SUBST(LIBZIP_CAN_USE_MMAP)
200 ])