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| author | Carter Tazio Schonwald <carter.schonwald@gmail.com> | 2014-07-02 08:52:53 -0500 |
|---|---|---|
| committer | Austin Seipp <austin@well-typed.com> | 2014-07-02 08:52:53 -0500 |
| commit | 34f7e9a3c99850859901ca74370f55f1d4e2279a (patch) | |
| tree | e2aa7573d85337837c911f0a815c60570ed945df /distrib/configure.ac.in | |
| parent | 8afe616d52c652db249c4d00b24c82a35ca75068 (diff) | |
| download | haskell-34f7e9a3c99850859901ca74370f55f1d4e2279a.tar.gz | |
Control CPP through settings file (#8683)
Summary:
Allow the CPP program and flag choices for GHC
be configured via the the ghc settings file
Test Plan: ran validate yesterday
Reviewers: hvr, austin, mzero, simonmar
Reviewed By: austin, mzero, simonmar
Subscribers: mzero, simonmar, relrod, carter
Differential Revision: https://phabricator.haskell.org/D26
Diffstat (limited to 'distrib/configure.ac.in')
| -rw-r--r-- | distrib/configure.ac.in | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/distrib/configure.ac.in b/distrib/configure.ac.in index ed91244d88..c7a8ead9b0 100644 --- a/distrib/configure.ac.in +++ b/distrib/configure.ac.in @@ -63,6 +63,65 @@ FIND_GCC([WhatGccIsCalled], [gcc], [gcc]) CC="$WhatGccIsCalled" export CC + +dnl ** what cpp to use? +dnl -------------------------------------------------------------- +AC_ARG_WITH(hs-cpp, +[AC_HELP_STRING([--with-hs-cpp=ARG], + [Use ARG as the path to cpp [default=autodetect]])], +[ + if test "$HostOS" = "mingw32" + then + AC_MSG_WARN([Request to use $withval will be ignored]) + else + HaskellCPPCmd=$withval + fi +], +[ + if test "$HostOS" != "mingw32" + then + HaskellCPPCmd=$WhatGccIsCalled + fi +] +) + + + +dnl ** what cpp flags to use? +dnl ----------------------------------------------------------- +AC_ARG_WITH(hs-cpp-flags, + [AC_HELP_STRING([--with-hs-cpp-flags=ARG], + [Use ARG as the path to hs cpp [default=autodetect]])], + [ + if test "$HostOS" = "mingw32" + then + AC_MSG_WARN([Request to use $withval will be ignored]) + else + HaskellCPPArgs=$withval + fi + ], +[ + $HaskellCPPCmd -x c /dev/null -dM -E > conftest.txt 2>&1 + if grep "__clang__" conftest.txt >/dev/null 2>&1; then + HaskellCPPArgs="-E -undef -traditional -Wno-invalid-pp-token -Wno-unicode -Wno-trigraphs " + else + $HaskellCPPCmd -v > conftest.txt 2>&1 + if grep "gcc" conftest.txt >/dev/null 2>&1; then + HaskellCPPArgs="-E -undef -traditional " + else + $HaskellCPPCmd --version > conftest.txt 2>&1 + if grep "cpphs" conftest.txt >/dev/null 2>&1; then + HaskellCPPArgs="--cpp -traditional" + else + AC_MSG_WARN([configure can't recognize your CPP program, you may need to set --with-hs-cpp-flags=FLAGS explicitly]) + HaskellCPPArgs="" + fi + fi + fi + ] +) + + dnl ** Which ld to use? dnl -------------------------------------------------------------- FP_ARG_WITH_PATH_GNU_PROG([LD], [ld], [ld]) |