mirror of
https://github.com/libquantum/libquantum.git
synced 2025-10-03 08:42:01 +00:00
102 lines
2.6 KiB
Plaintext
102 lines
2.6 KiB
Plaintext
# Process this file with autoconf to produce a configure script.
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AC_INIT([libquantum], [0.2.2], [libquantum@enyo.de])
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AC_CONFIG_SRCDIR([classic.c])
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AC_CONFIG_HEADER([config.h])
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# The language of our choice
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AC_LANG([C])
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# Checks for programs.
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AC_PROG_CC
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AC_PROG_INSTALL
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AC_PROG_LIBTOOL
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# Checks for libraries.
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AC_CHECK_LIB([m], [sqrt])
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# Checks for header files.
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AC_HEADER_STDC
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AC_CHECK_HEADERS([fcntl.h stdlib.h unistd.h])
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# Checks for typedefs, structures, and compiler characteristics.
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AC_C_INLINE
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# Check for 64-bit integer
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AC_ARG_WITH([max-unsigned-type],
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[ --with-max-unsigned-type=ARG integer type for quantum registers],
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[MU_TYPE=$withval], [MU_TYPE="none"
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AC_CHECK_TYPE([uint_64t], [AC_DEFINE([MAX_UNSIGNED], [uint_64t])
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MU_TYPE="uint_64t"])])
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if test "$MU_TYPE" = "none"
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then
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AC_CHECK_TYPE([u_int_64t], [AC_DEFINE([MAX_UNSIGNED], [u_int_64t])
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MU_TYPE="u_int_64t"])
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fi
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if test "$MU_TYPE" = "none"
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then
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AC_CHECK_TYPE([unsigned long long], [AC_DEFINE(MAX_UNSIGNED,
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[unsigned long long], [Integer type for quantum registers])
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MU_TYPE="unsigned long long"])
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fi
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if test "$MU_TYPE" = "none"
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then
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AC_MSG_ERROR([No 64-bit integer type!])
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fi
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# Check for complex number type
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AC_ARG_WITH([complex-type],
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[ --with-complex-type=ARG type for complex numbers],
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[CF_TYPE=$withval
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], [CF_TYPE="none"
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AC_CHECK_TYPE([float _Complex], [AC_DEFINE([COMPLEX_FLOAT],
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[float _Complex])
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CF_TYPE="float _Complex"])])
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if test "$CF_TYPE" = "none"
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then
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AC_CHECK_TYPE([__complex__ float], [AC_DEFINE([COMPLEX_FLOAT],
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[__complex__ float], [Complex data type])
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CF_TYPE="__complex__ float"])
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fi
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if test "$CF_TYPE" = "none"
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then
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AC_MSG_ERROR([No complex number type!])
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fi
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# Check for the imaginary unit
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AC_MSG_CHECKING([for the imaginary unit])
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AC_ARG_WITH([imaginary],
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[ --with-imaginary=ARG name of the imaginary unit],
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[I=$withval], [I="none"
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([$CF_TYPE z;], [z=I;])],
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[AC_DEFINE([IMAGINARY], [I], [Imaginary unit]) I="I"])
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([$CF_TYPE z;], [z=_Complex_I;])],
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[AC_DEFINE([IMAGINARY], [_Complex_I]) I="_Complex_I"])
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([$CF_TYPE z;], [z=1i;])],
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[AC_DEFINE([IMAGINARY], [1i]) I="1i"])])
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if test $I = "none"
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then
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AC_MSG_ERROR([No imaginary unit!])
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fi
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AC_MSG_RESULT($I)
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# Substitute fields in quantum.h.in and types.h
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AC_SUBST(MU_TYPE)
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AC_SUBST(CF_TYPE)
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AC_SUBST(I)
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# Profiling check
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AC_ARG_ENABLE(profiling,
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[ --enable-profiling compile with profiling support],
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[CFLAGS="$CFLAGS -pg"],
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[])
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# Enable -Wall for gcc
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if test $CC = "gcc"
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then
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CFLAGS="$CFLAGS -Wall"
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fi
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# Write the output files
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AC_CONFIG_FILES([Makefile quantum.h types.h])
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AC_OUTPUT
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