[libgpiod] build: use AC_CHECK_PROG() instead of AC_CHECK_FILE() for python3-config
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Message ID 20191125085105.32679-1-brgl@bgdev.pl
State New
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  • [libgpiod] build: use AC_CHECK_PROG() instead of AC_CHECK_FILE() for python3-config
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Commit Message

Bartosz Golaszewski Nov. 25, 2019, 8:51 a.m. UTC
From: Bartosz Golaszewski <bgolaszewski@baylibre.com>

Commit 9ed02fc793b3 ("build: check for python-config in configure")
breaks cross-compilation because AC_CHECK_FILE() only checks the host
machine. Use AC_CHECK_PROG() instead.

Cc: Joel Savitz <joelsavitz@gmail.com>
Fixes: 9ed02fc793b3 ("build: check for python-config in configure")
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
---
 configure.ac | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

Patch
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diff --git a/configure.ac b/configure.ac
index 066c1ad..62e2671 100644
--- a/configure.ac
+++ b/configure.ac
@@ -183,8 +183,11 @@  if test "x$with_bindings_python" = xtrue
 then
 	AM_PATH_PYTHON([3.0], [],
 		[AC_MSG_ERROR([python3 not found - needed for python bindings])])
-	AC_CHECK_FILE(["$PYTHON-config"], [],
-		[AC_MSG_ERROR([python3-config not found - needed for python bindings])])
+	AC_CHECK_PROG([has_python_config], [python3-config], [true], [false])
+	if test "x$has_python_config" = xfalse
+	then
+		AC_MSG_ERROR([python3-config not found - needed for python bindings])
+	fi
 	AS_IF([test -z "$PYTHON_CPPFLAGS"],
 		[AC_SUBST(PYTHON_CPPFLAGS, [`$PYTHON-config --includes`])])
 	AS_IF([test -z "$PYTHON_LIBS"],