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-rw-r--r--build-clang.bat4
-rw-r--r--build-mingw.bat4
-rw-r--r--build-msvc.bat7
-rwxr-xr-xbuild.sh21
4 files changed, 35 insertions, 1 deletions
diff --git a/build-clang.bat b/build-clang.bat
index f8b8f31..16cdae0 100644
--- a/build-clang.bat
+++ b/build-clang.bat
@@ -152,6 +152,10 @@ if "_%1_" == "__" (
set "cxx=%1"
)
+rem Convert a relative path to an absolute.
+rem
+for /F "delims=|" %%D in ("%idir%") do set "idir=%%~dpnxD"
+
rem Certificate to trust.
rem
if not "_%trust%_" == "__" (
diff --git a/build-mingw.bat b/build-mingw.bat
index 7e62685..21704b4 100644
--- a/build-mingw.bat
+++ b/build-mingw.bat
@@ -161,6 +161,10 @@ if not "_%3_" == "__" (
set "trust=%3"
)
+rem Convert a relative path to an absolute.
+rem
+for /F "delims=|" %%D in ("%idir%") do set "idir=%%~dpnxD"
+
rem Certificate to trust.
rem
if not "_%trust%_" == "__" (
diff --git a/build-msvc.bat b/build-msvc.bat
index 2f0ed6b..e9416a3 100644
--- a/build-msvc.bat
+++ b/build-msvc.bat
@@ -8,7 +8,8 @@ goto start
:usage
echo.
-echo Usage: %0 [/?] [^<options^>] [^<cl-compiler^>]
+rem echo Usage: %0 [/?] [^<options^>] [^<cl-compiler^>]
+echo Usage: %0 [/?] [^<options^>]
echo Options:
echo --local Don't build from packages, only from local source.
echo --install-dir ^<dir^> Alternative installation directory.
@@ -140,6 +141,10 @@ rem ) else (
rem set "cxx=%1"
rem )
+rem Convert a relative path to an absolute.
+rem
+for /F "delims=|" %%D in ("%idir%") do set "idir=%%~dpnxD"
+
rem Certificate to trust.
rem
if not "_%trust%_" == "__" (
diff --git a/build.sh b/build.sh
index 9d83209..a1ba1cf 100755
--- a/build.sh
+++ b/build.sh
@@ -225,6 +225,12 @@ if test -n "$make"; then
fi
fi
+# If the installation directory is unspecified, then assume it is /usr/local.
+# Otherwise, if it is a relative path, then convert it to an absolute path,
+# unless the realpath program is not present on the system or doesn't
+# recognize any of the options we pass, in which case fail, advising to
+# specify an absolute installation directory.
+#
if test -z "$idir"; then
idir=/usr/local
private=config.install.private=build2
@@ -235,6 +241,21 @@ if test -z "$idir"; then
if test -z "$sudo"; then
sudo="sudo"
fi
+elif test -n "$(echo "$idir" | sed -n 's#^[^/].*$#true#p')"; then
+
+ if ! command -v realpath >/dev/null 2>&1; then
+ diag "error: unable to execute realpath: command not found"
+ diag " info: specify absolute installation directory path"
+ exit 1
+ fi
+
+ # Don't resolve symlinks and allow non-existent path components.
+ #
+ if ! idir="$(realpath -s -m "$idir" 2>/dev/null)"; then
+ diag "error: realpath does not recognize -s -m"
+ diag " info: specify absolute installation directory path"
+ exit 1
+ fi
fi
if test "$sudo" = false; then