1 #
  2 # Copyright (c) 2011, 2022, 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-fontconfig.m4])
 32 m4_include([lib-freetype.m4])
 33 m4_include([lib-hsdis.m4])
 34 m4_include([lib-std.m4])
 35 m4_include([lib-x11.m4])
 36 
 37 m4_include([lib-tests.m4])
 38 
 39 ################################################################################
 40 # Determine which libraries are needed for this configuration
 41 ################################################################################
 42 AC_DEFUN_ONCE([LIB_DETERMINE_DEPENDENCIES],
 43 [
 44   # Check if X11 is needed
 45   if test "x$OPENJDK_TARGET_OS" = xwindows || test "x$OPENJDK_TARGET_OS" = xmacosx; then
 46     # No X11 support on windows or macosx
 47     NEEDS_LIB_X11=false
 48   else
 49     # All other instances need X11, even if building headless only, libawt still
 50     # needs X11 headers.
 51     NEEDS_LIB_X11=true
 52   fi
 53 
 54   # Check if fontconfig is needed
 55   if test "x$OPENJDK_TARGET_OS" = xwindows || test "x$OPENJDK_TARGET_OS" = xmacosx; then
 56     # No fontconfig support on windows or macosx
 57     NEEDS_LIB_FONTCONFIG=false
 58   else
 59     # All other instances need fontconfig, even if building headless only,
 60     # libawt still needs fontconfig headers.
 61     NEEDS_LIB_FONTCONFIG=true
 62   fi
 63 
 64   # Check if cups is needed
 65   if test "x$OPENJDK_TARGET_OS" = xwindows; then
 66     # Windows have a separate print system
 67     NEEDS_LIB_CUPS=false
 68   else
 69     NEEDS_LIB_CUPS=true
 70   fi
 71 
 72   # A custom hook may have set this already
 73   if test "x$NEEDS_LIB_FREETYPE" = "x"; then
 74     NEEDS_LIB_FREETYPE=true
 75   fi
 76 
 77   # Check if alsa is needed
 78   if test "x$OPENJDK_TARGET_OS" = xlinux; then
 79     NEEDS_LIB_ALSA=true
 80   else
 81     NEEDS_LIB_ALSA=false
 82   fi
 83 
 84   # Check if ffi is needed
 85   if HOTSPOT_CHECK_JVM_VARIANT(zero); then
 86     NEEDS_LIB_FFI=true
 87   else
 88     NEEDS_LIB_FFI=false
 89   fi
 90 ])
 91 
 92 ################################################################################
 93 # Parse library options, and setup needed libraries
 94 ################################################################################
 95 AC_DEFUN_ONCE([LIB_SETUP_LIBRARIES],
 96 [
 97   LIB_SETUP_STD_LIBS
 98 
 99   LIB_SETUP_ALSA
100   LIB_SETUP_BUNDLED_LIBS
101   LIB_SETUP_CUPS
102   LIB_SETUP_FONTCONFIG
103   LIB_SETUP_FREETYPE
104   LIB_SETUP_HSDIS
105   LIB_SETUP_LIBFFI
106   LIB_SETUP_MISC_LIBS
107   LIB_SETUP_X11
108 
109   LIB_TESTS_SETUP_GTEST
110 
111   BASIC_JDKLIB_LIBS=""
112   if test "x$TOOLCHAIN_TYPE" != xmicrosoft; then
113     BASIC_JDKLIB_LIBS="-ljava -ljvm"
114   fi
115 
116   # Math library
117   BASIC_JVM_LIBS="$LIBM"
118 
119   # Dynamic loading library
120   if test "x$OPENJDK_TARGET_OS" = xlinux || test "x$OPENJDK_TARGET_OS" = xaix; then
121     BASIC_JVM_LIBS="$BASIC_JVM_LIBS $LIBDL"
122   fi
123 
124   # Threading library
125   if test "x$OPENJDK_TARGET_OS" = xlinux || test "x$OPENJDK_TARGET_OS" = xaix; then
126     BASIC_JVM_LIBS="$BASIC_JVM_LIBS -lpthread"
127   fi
128 
129   # librt for legacy clock_gettime
130   if test "x$OPENJDK_TARGET_OS" = xlinux; then
131     # Hotspot needs to link librt to get the clock_* functions.
132     # But once our supported minimum build and runtime platform
133     # has glibc 2.17, this can be removed as the functions are
134     # in libc.
135     BASIC_JVM_LIBS="$BASIC_JVM_LIBS -lrt"
136   fi
137 
138   # Atomic library
139   # 32-bit platforms needs fallback library for 8-byte atomic ops on Zero
140   if HOTSPOT_CHECK_JVM_VARIANT(zero); then
141     if test "x$OPENJDK_TARGET_OS" = xlinux &&
142         (test "x$OPENJDK_TARGET_CPU" = xarm ||
143          test "x$OPENJDK_TARGET_CPU" = xm68k ||
144          test "x$OPENJDK_TARGET_CPU" = xmips ||
145          test "x$OPENJDK_TARGET_CPU" = xmipsel ||
146          test "x$OPENJDK_TARGET_CPU" = xppc ||
147          test "x$OPENJDK_TARGET_CPU" = xsh); then
148       BASIC_JVM_LIBS="$BASIC_JVM_LIBS -latomic"
149     fi
150   fi
151 
152   # Because RISC-V only has word-sized atomics, it requries libatomic where
153   # other common architectures do not.  So link libatomic by default.
154   if test "x$OPENJDK_TARGET_OS" = xlinux && test "x$OPENJDK_TARGET_CPU" = xriscv64; then
155     BASIC_JVM_LIBS="$BASIC_JVM_LIBS -latomic"
156   fi
157 
158   # perfstat lib
159   if test "x$OPENJDK_TARGET_OS" = xaix; then
160     BASIC_JVM_LIBS="$BASIC_JVM_LIBS -lperfstat"
161   fi
162 
163   if test "x$OPENJDK_TARGET_OS" = xwindows; then
164     BASIC_JVM_LIBS="$BASIC_JVM_LIBS kernel32.lib user32.lib gdi32.lib winspool.lib \
165         comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib \
166         wsock32.lib winmm.lib version.lib psapi.lib"
167   fi
168 
169   JDKLIB_LIBS="$BASIC_JDKLIB_LIBS"
170   JDKEXE_LIBS=""
171   JVM_LIBS="$BASIC_JVM_LIBS"
172   OPENJDK_BUILD_JDKLIB_LIBS="$BASIC_JDKLIB_LIBS"
173   OPENJDK_BUILD_JVM_LIBS="$BASIC_JVM_LIBS"
174 
175   AC_SUBST(JDKLIB_LIBS)
176   AC_SUBST(JDKEXE_LIBS)
177   AC_SUBST(JVM_LIBS)
178   AC_SUBST(OPENJDK_BUILD_JDKLIB_LIBS)
179   AC_SUBST(OPENJDK_BUILD_JVM_LIBS)
180 ])
181 
182 ################################################################################
183 # Setup various libraries, typically small system libraries
184 ################################################################################
185 AC_DEFUN_ONCE([LIB_SETUP_MISC_LIBS],
186 [
187   # Setup libm (the maths library)
188   if test "x$OPENJDK_TARGET_OS" != "xwindows"; then
189     AC_CHECK_LIB(m, cos, [], [
190         AC_MSG_NOTICE([Maths library was not found])
191     ])
192     LIBM="-lm"
193   else
194     LIBM=""
195   fi
196   AC_SUBST(LIBM)
197 
198   # Setup libdl (for dynamic library loading)
199   save_LIBS="$LIBS"
200   LIBS=""
201   AC_CHECK_LIB(dl, dlopen)
202   LIBDL="$LIBS"
203   AC_SUBST(LIBDL)
204   LIBS="$save_LIBS"
205 
206   # Control if libzip can use mmap. Available for purposes of overriding.
207   LIBZIP_CAN_USE_MMAP=true
208   AC_SUBST(LIBZIP_CAN_USE_MMAP)
209 ])