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Diffstat (limited to 'libraries/ghc-bignum/configure.ac')
| -rw-r--r-- | libraries/ghc-bignum/configure.ac | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/libraries/ghc-bignum/configure.ac b/libraries/ghc-bignum/configure.ac new file mode 100644 index 0000000000..1c658fdb70 --- /dev/null +++ b/libraries/ghc-bignum/configure.ac @@ -0,0 +1,127 @@ +AC_PREREQ(2.69) +AC_INIT([GHC BigNum library], [1.0], [libraries@haskell.org], [ghc-bignum]) + +# Safety check: Ensure that we are in the correct source directory. +AC_CONFIG_SRCDIR([cbits/gmp_wrappers.c]) + +AC_CANONICAL_TARGET + +AC_PROG_CC +dnl make extensions visible to allow feature-tests to detect them lateron +AC_USE_SYSTEM_EXTENSIONS + + +dnl-------------------------------------------------------------------- +dnl * Deal with arguments telling us gmp is somewhere odd +dnl-------------------------------------------------------------------- + +AC_ARG_WITH([gmp], + [AC_HELP_STRING([--with-gmp], + [Enable GMP backend])], + [GMP_ENABLED=YES], + [GMP_ENABLED=NO]) + +AC_ARG_WITH([gmp-includes], + [AC_HELP_STRING([--with-gmp-includes], + [directory containing gmp.h])], + [GMP_INCLUDE_DIRS=$withval; CPPFLAGS="-I$withval"], + [GMP_INCLUDE_DIRS=]) + +AC_ARG_WITH([gmp-libraries], + [AC_HELP_STRING([--with-gmp-libraries], + [directory containing gmp library])], + [GMP_LIB_DIRS=$withval; LDFLAGS="-L$withval"], + [GMP_LIB_DIRS=]) + +AC_ARG_WITH([gmp-framework-preferred], + [AC_HELP_STRING([--with-gmp-framework-preferred], + [on OSX, prefer the GMP framework to the gmp lib])], + [GMP_PREFER_FRAMEWORK=YES], + [GMP_PREFER_FRAMEWORK=NO]) + +AC_ARG_WITH([intree-gmp], + [AC_HELP_STRING([--with-intree-gmp], + [force using the in-tree GMP])], + [GMP_FORCE_INTREE=YES], + [GMP_FORCE_INTREE=NO]) + +if test "$GMP_ENABLED" = "YES" +then + +dnl-------------------------------------------------------------------- +dnl * Detect gmp +dnl-------------------------------------------------------------------- + + HaveLibGmp=NO + GMP_LIBS= + HaveFrameworkGMP=NO + GMP_FRAMEWORK= + HaveSecurePowm=0 + + if test "$GMP_FORCE_INTREE" != "YES" + then + if test "$GMP_PREFER_FRAMEWORK" = "YES" + then + LOOK_FOR_GMP_FRAMEWORK + LOOK_FOR_GMP_LIB + else + LOOK_FOR_GMP_LIB + LOOK_FOR_GMP_FRAMEWORK + fi + fi + + AC_MSG_CHECKING([whether to use in-tree GMP]) + if test "$HaveFrameworkGMP" = "YES" || test "$HaveLibGmp" = "YES" + then + AC_MSG_RESULT([no]) + UseIntreeGmp=0 + AC_CHECK_HEADER([gmp.h], , [AC_MSG_ERROR([Cannot find gmp.h])]) + + AC_MSG_CHECKING([GMP version]) + AC_COMPUTE_INT(GhcGmpVerMj, __GNU_MP_VERSION, [#include <gmp.h>], + AC_MSG_ERROR([Unable to get value of __GNU_MP_VERSION])) + AC_COMPUTE_INT(GhcGmpVerMi, __GNU_MP_VERSION_MINOR, [#include <gmp.h>], + AC_MSG_ERROR([Unable to get value of __GNU_MP_VERSION_MINOR])) + AC_COMPUTE_INT(GhcGmpVerPl, __GNU_MP_VERSION_PATCHLEVEL, [#include <gmp.h>], + AC_MSG_ERROR([Unable to get value of __GNU_MP_VERSION_PATCHLEVEL])) + AC_MSG_RESULT([$GhcGmpVerMj.$GhcGmpVerMi.$GhcGmpVerPl]) + + else + AC_MSG_RESULT([yes]) + UseIntreeGmp=1 + HaveSecurePowm=1 + + AC_MSG_CHECKING([GMP version]) + GhcGmpVerMj=6 + GhcGmpVerMi=1 + GhcGmpVerPl=2 + AC_MSG_RESULT([$GhcGmpVerMj.$GhcGmpVerMi.$GhcGmpVerPl]) + fi + + +dnl-------------------------------------------------------------------- +dnl * Make sure we got some form of gmp +dnl-------------------------------------------------------------------- + + AC_SUBST(GMP_INCLUDE_DIRS) + AC_SUBST(GMP_LIBS) + AC_SUBST(GMP_LIB_DIRS) + AC_SUBST(GMP_FRAMEWORK) + AC_SUBST(HaveLibGmp) + AC_SUBST(HaveFrameworkGMP) + AC_SUBST(HaveSecurePowm) + AC_SUBST(UseIntreeGmp) + AC_SUBST(GhcGmpVerMj) + AC_SUBST(GhcGmpVerMi) + AC_SUBST(GhcGmpVerPl) + + AC_CONFIG_FILES([ghc-bignum.buildinfo include/HsIntegerGmp.h]) +fi + +AC_CONFIG_FILES([config.mk]) + +dnl-------------------------------------------------------------------- +dnl * Generate output files +dnl-------------------------------------------------------------------- + +AC_OUTPUT |