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11dfa25910
* Updated source file copyright headers to remove "Copyright by the Board of Trustees of the University of Illinois", which is kept in the top-level COPYING file.
136 lines
5.3 KiB
Bash
136 lines
5.3 KiB
Bash
# -*- shell-script -*-
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#
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# Copyright by The HDF Group.
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# All rights reserved.
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#
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# This file is part of HDF5. The full HDF5 copyright notice, including
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# terms governing use, modification, and redistribution, is contained in
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# the COPYING file, which can be found at the root of the source code
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# distribution tree, or in https://www.hdfgroup.org/licenses.
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# If you do not have access to either file, you may request a copy from
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# help@hdfgroup.org.
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# This file is part of the HDF5 build script. It is processed shortly
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# after configure starts and defines, among other things, flags for
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# the various compile modes.
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#----------------------------------------------------------------------------
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# Compiler flags. The CPPFLAGS values should not include package debug
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# flags like `-DH5G_DEBUG' since these are added with the
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# `--enable-debug' switch of configure.
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#----------------------------------------------------------------------------
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# Choosing a C Compiler
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# ---------------------
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#
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# The user should be able to specify the compiler by setting the CC
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# environment variable to the name of the compiler and any switches it
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# requires for proper operation. If CC is unset then this script may
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# set it. If CC is unset by time this script completes then configure
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# will try `gcc' and `cc' in that order (perhaps some others too).
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#
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# Note: Code later in this file may depend on the value of $CC_BASENAME
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# in order to distinguish between different compilers when
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# deciding which compiler command-line switches to use. This
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# variable is set based on the incoming value of $CC and is only
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# used within this file.
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if test "X-" = "X-$CC"; then
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CC="/some/default/compiler/named/foo -ansi"
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CC_BASENAME=foo
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fi
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# C Compiler and Preprocessor Flags
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# ---------------------------------
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#
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# Flags that end with `_CFLAGS' are always passed to the compiler.
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# Flags that end with `_CPPFLAGS' are passed to the compiler when
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# compiling but not when linking.
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#
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# DEBUG_CFLAGS Flags to pass to the compiler to create a
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# DEBUG_CPPFLAGS library suitable for use with debugging
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# tools. Usually this list will exclude
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# optimization switches (like `-O') and include
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# switches that turn on symbolic debugging
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# support (like `-g').
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#
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# PROD_CFLAGS Flags to pass to the compiler to create a
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# PROD_CPPFLAGS production version of the library. These
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# usually exclude symbolic debugging switches
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# (like `-g') and include optimization switches
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# (like `-O').
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#
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# PROFILE_CFLAGS Flags to pass to the compiler to create a
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# PROFILE_CPPFLAGS library suitable for performance testing (like
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# `-pg'). This may or may not include debugging
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# or production flags.
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#
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# H5_CFLAGS Flags can be added to this variable which
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# might already be partially initialized. These
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# flags will always be passed to the compiler
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# and should include switches to turn on full
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# warnings. HDF5 attempts to be ANSI and Posix
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# compliant and employ good programming
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# practices resulting in few if any
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# warnings.
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#
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# Warning flags do not have to be added to H5_CFLAGS
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# variable if the compiler is the GNU gcc
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# compiler or a descendent of gcc such as EGCS or PGCC.
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#
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# AM_CFLAGS Flags added directly into this variable will
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# be propagated to the compiler wrapper scripts (h5cc,
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# h5c++, et cetera) in addition to being used to compile
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# the library.
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#
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# These flags should be set according to the compiler being used.
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# There are two ways to check the compiler. You can try using `-v' or
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# `--version' to see if the compiler will print a version string. You
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# can use the value of $CC_BASENAME which is the base name of the
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# first word in $CC (note that the value of CC may have changed
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# above).
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case $CC_BASENAME in
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gcc)
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H5_CFLAGS="$H5_CFLAGS -Wsign-compare" #Only works for some versions
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DEBUG_CFLAGS="-g -fverbose-asm"
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DEBUG_CPPFLAGS=
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PROD_CFLAGS="-O3 -fomit-frame-pointer"
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PROD_CPPFLAGS=
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PROFILE_CFLAGS="-pg"
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PROFILE_CPPFLAGS=
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;;
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*)
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H5_CFLAGS="$H5_CFLAGS -ansi"
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DEBUG_CFLAGS="-g"
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DEBUG_CPPFLAGS=
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PROD_CFLAGS="-O"
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PROD_CPPFLAGS=
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PROFILE_CFLAGS="-pg"
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PROFILE_CPPFLAGS=
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;;
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esac
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# Overriding Configure Tests
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# --------------------------
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#
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# Values for overriding configuration tests when cross compiling.
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# This includes compiling on some machines where the serial front end
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# compiles for a parallel back end.
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# Set this to `yes' or `no' depending on whether the target is big
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# endian or little endian.
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#ac_cv_c_bigendian=${ac_cv_c_bigendian='yes'}
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# Set this to the width required by printf() to print type `long
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# long'. For instance, if the format would be `%lld' then set it to
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# `ll' or if the format would be `%qd' set it to `q'.
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#hdf5_cv_printf_ll=${hdf5_cv_printf_ll='ll'}
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